Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

48results about How to "Resolve mutual interference" patented technology

Simulation light source controller parameter adaptive adjustment method and device

The invention relates to the technical field of light source controllers, and discloses a simulation light source controller parameter adaptive adjustment method and device, and the method comprises the steps: collecting an input voltage signal, an output current signal, an environment temperature signal and a channel power signal of a simulation light source controller, and inputting a neural network model for parameter mapping, obtaining a light source parameter dynamic response matrix; carrying out feature dimension reduction, and constructing a target optimization model; grid division is carried out on the parameter space, a steepest descent direction vector and a vertical search direction vector are respectively generated on divided grid points, and a parameter optimization direction set is obtained; iteratively updating each control parameter to obtain a parameter iteration sequence set; performing a voltage stabilization output test to obtain a plurality of candidate control parameter combinations; and the parallel verification test is carried out, and the optimal control parameter combination is determined, so that the inter-channel crosstalk of the simulation light source controller is effectively inhibited, and the problem of mutual interference when multiple channels work in parallel is solved.
Owner:东莞康视达自动化科技有限公司

Sea-air amphibious robot

ActiveCN119239937Aresolve mutual interferencelight bodyConvertible aircraftsSeaplanesClassical mechanicsMachine
The sea and air amphibious robot comprises a support, a machine arm assembly, an air propelling assembly, an underwater propelling assembly, a shell and a waterproof cabin, the shell is fixedly connected to the support, the waterproof cabin is installed in the shell, the machine arm assembly comprises a plurality of machine arms, and the machine arms are symmetrically connected to the two sides of the support correspondingly; the air propelling assembly comprises a plurality of air propellers, the underwater propelling assembly comprises a plurality of underwater propellers, the air propellers and the underwater propellers are installed on the multiple machine arms correspondingly, the installation positions of the underwater propellers are lower than the installation positions of the air propellers, and the buoyancy of the sea and air amphibious robot in water is larger than the gravity. When the sea-air amphibious robot statically floats on the water surface, at least part of each air propeller is located above the water surface, and each underwater propeller is located below the water surface. According to the sea and air amphibious robot, efficient propelling of the robot in water and air media can be achieved.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Measuring device for center hole method field rock mass deformation test

The utility model relates to the technical field of rock mass tests on geotechnical engineering sites, and discloses a measuring device for a center hole method site rock mass deformation test, which comprises a fixed support, a measuring rod, an independent air pressure anchoring head, a plurality of synthetic air pressure anchoring heads, an air pump, a collector, a plurality of air inlet pipes and a plurality of signal lines, the independent air pressure anchoring head and the plurality of synthetic air pressure anchoring heads are respectively connected with the air pump through a plurality of air inlet pipes, and the plurality of synthetic air pressure anchoring heads are respectively connected with the collector through a plurality of independent signal lines. According to the utility model, the measuring rod extends into the central hole of the rock mass and is fixed, the plurality of synthetic air pressure anchoring heads are sleeved on the measuring rod in a sliding manner, and the plurality of synthetic air pressure anchoring heads are respectively inflated and expanded to be fixed at different height positions in the central hole; and the plurality of synthetic air pressure anchoring heads are in one-to-one correspondence with the plurality of induction iron cores arranged on the measuring rod to form a plurality of LVDT displacement sensors, so that deformation data of rock masses with different depths can be obtained.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES CO LTD

Mining HPLC (High Performance Liquid Chromatography) wireless voice intercom method and system

The invention relates to a mining HPLC wireless voice talkback method and system, and the method comprises the steps: carrying out the networking of a voice talkback system based on the high-speed power line carrier communication and Sub-1G wireless communication technology, and obtaining a voice talkback system after the networking is completed; based on the voice talkback system after networking is completed, selecting one talkback mode from the voice talkback system to initiate voice communication to a target object, so that voice communication equipment of the target object receives a voice broadcast message; and after a voice response message fed back by the target object in the same talkback mode is received, talkback is completed. Voice talkback signal coverage from the ground to the underground and in various underground roadways is realized, so that miners can carry out voice talkback at any underground corner by utilizing the system, and the probability of handling and solving things and escaping by the underground miners in emergency is greatly improved.
Owner:SHANGHAI YUANKUANG INTELLIGENT TECHNOLOGY CO LTD

EMI shielding fabric and preparation method thereof

ActiveCN119433970AImproved chemical inertnessGood electromagnetic shieldingFibre typesMagnetic/electric field screeningFiberSolution treatment
The invention belongs to the technical field of electromagnetic shielding materials and conductive composite fabrics, and particularly relates to an EMI shielding fabric and a preparation method thereof. Firstly, a layer of PDDA solution with positive charges is adsorbed on the surface of the fabric, then the fabric with the positive charges is soaked in ANF dispersion liquid prepared in advance, and the stable high-temperature-resistant fabric adsorbing the ANFs is prepared; the preparation method comprises the following steps: firstly, preparing a high-temperature-resistant fabric, then pretreating the high-temperature-resistant fabric through ultrasonic treatment, activating a fiber membrane through sodium borohydride solution treatment, and chemically plating nickel on the surface of the high-temperature-resistant fabric adsorbing ANFs through a palladium-free chemical plating process, so that the prepared high-temperature-resistant flexible fabric has excellent flexibility, heat resistance, corrosion resistance and efficient shielding effect; the method is easy to operate, economical and environmentally friendly, the porous structure of the formed flexible conductive high-temperature-resistant EMI shielding fabric and the nickel coating on the surface enable the material to have excellent electromagnetic shielding performance, and the problem of mutual interference between electronic elements can be solved.
Owner:SICHUAN UNIV

High-performance 4.5-micron electrolytic copper foil additive and application thereof

The invention discloses a high-performance 4.5-micron electrolytic copper foil additive and application thereof, and belongs to the technical field of electrolytic copper foils. The additive comprises cerium-polyacrylamide composite microspheres, a sulfur-containing brightener, a leveling agent, a wetting agent and the like, the cerium-polyacrylamide composite microspheres are inorganic-organic composite materials formed by rare earth element cerium and polyacrylamide, and the cerium-polyacrylamide composite microspheres are prepared through an in-situ polymerization method. Monomer acrylamide of polyacrylamide grows around cerium ions in situ, so that the cerium ions are fixed around a polymer chain, and a relatively stable dispersion system is formed. The 4.5-micron electrolytic copper foil prepared by adopting the additive has good surface quality and relatively high tensile strength and ductility. Particularly, the tensile strength and the elongation performance can reach 400-500 MPa and 6% or above respectively, and the production and application reliability of the 4.5-micron copper foil is greatly improved.
Owner:ANHUI HUIRU TECH CO LTD

Uninstall card namespace management, input and output request processing system and method

The disclosed embodiment discloses an offload card namespace management, input / output request processing system and method. The offload card namespace management system includes a host and an offload card connected to the host, wherein multiple applications that issue input / output requests are running on the host, and the host sends a namespace creation request to the offload card, and the offload card creates multiple namespaces corresponding to the multiple applications according to the namespace creation request, and the offload card allocates multiple hardware queues corresponding to the created multiple namespaces according to the namespace creation request and binds the allocated multiple hardware queues to the corresponding namespaces respectively, so that multiple namespaces can be created, and exclusive hardware queues are dynamically allocated to each namespace, realizing hardware-level namespace resources, and applications can use their own corresponding hardware queues, which greatly improves the performance isolation capability and reliability of the namespace.
Owner:ALIBABA (CHINA) CO LTD

Bottle discharging and discharging structure of wide-mouth bottle blowing machine

ActiveCN224103505Uresolve mutual interferenceSimple structureHollow articlesRobot handMachine
The utility model discloses a bottle discharging and blanking structure of a wide-mouth bottle blowing machine, which comprises a mounting bracket, a transverse sliding rail is arranged on the mounting bracket, a sliding block capable of sliding left and right along the transverse sliding rail in a reciprocating manner is arranged on the transverse sliding rail, and a mechanical arm capable of being opened and closed longitudinally is mounted on the sliding block. The mechanical arm comprises a bottle taking air cylinder and two clamps arranged below the bottle taking air cylinder, and the plane where the two clamps are located after the two clamps are opened is perpendicular to the blowing track. According to the bottle discharging and blanking structure of the wide-mouth bottle blowing machine, the jaw of the manipulator adopts a vertical opening and closing mode, so that the problem of mutual interference caused by insufficient spacing distance of bottle openings of adjacent wide-mouth bottles during blanking can be fundamentally solved, and the bottle discharging and blanking structure has the characteristics of simple structure and practicability.
Owner:ZHEJIANG HUANGYAN RUIYING MASCH CO LTD

Gantry changing system, scissor clamp mechanism and assembly line

ActiveCN118479210BFlexible production organizationreduce reserves
The application relates to the field of workpiece production operations, and discloses a skid changing system, a scissor clamping mechanism and a flow line. The skid changing system comprises a skid assembly, a skid changing conveying line, a lifting assembly and an adjusting and positioning assembly. The skid assembly comprises multiple uniform skids with the same model and multiple non-uniform skids with different models. The skid changing conveying line can alternately input the uniform skids and the non-uniform skids. The lifting assembly can lift a workpiece carried by a previous skid input to the skid changing conveying line and place the workpiece on a next skid. The adjusting and positioning assembly can adjust and position the relative position of the lifting assembly and the skid with any model input to the skid changing conveying line. The flow line can realize collinear skid changing of workpieces with different models, reduces the investment cost of equipment and improves production efficiency.
Owner:ZHONGKE YUNGU TECH

Touch screen and electronic devices

The present application discloses a touch display screen and an electronic device, belonging to the technical field of electronic devices. The touch display screen of the present application includes a touch layer and a touch substrate, the touch layer includes a plurality of touch sensors arranged in an array, the plurality of touch sensors are arranged on the first surface of the touch substrate, and at least some of the plurality of touch sensors are provided with antenna contact points; the antenna contact points are electrically connected to a radio frequency integrated circuit, so that the touch sensors provided with the antenna contact points are formed into antenna electrodes. The scheme of the present application enables some touch sensors to have both touch function and antenna radiation function; in this way, the problem of mutual interference between the existing antenna layer and the touch layer due to overlap is solved, the antenna layer is avoided to be added to the touch display screen, and the thickness of the touch display screen is reduced; the user's touch experience and the radiation efficiency of the antenna are improved.
Owner:VIVO MOBILE COMM CO LTD

Heavy oil high-temperature purification sewage multi-medium stage treatment device and detection method

The invention relates to the technical field of skid-mounted devices and automatic interlocking, in particular to a heavy oil high-temperature purification sewage multi-medium stage treatment device and a detection method, the heavy oil high-temperature purification sewage multi-medium stage treatment device comprises a silicon content detection instrument, a hardness detection instrument, a mineralization degree detection instrument, an oxygen content detection instrument, a chloride ion detection instrument, an oil content detection instrument and the like; according to the detection method, after a to-be-analyzed sample solution is subjected to primary cooling, the cooled sample solution is directly subjected to oil content and suspended matter detection in two paths, after the other path is subjected to three-stage filtration and secondary cooling, the other path is subjected to mineralization degree, oxygen and chloride ion detection in three paths, and the other path is subjected to silicon content and hardness detection after filtration. According to the stage treatment device, a five-section sample liquid pretreatment technology of two-stage water cooling and three-stage filter element filtering is adopted, sample liquid is shunted according to the detection requirements of different detection instruments, the problem that all components in the sample liquid interfere with one another is solved, the instrument detection accuracy is improved, and online detection of heavy oil high-temperature purification sewage is achieved.
Owner:PETROCHINA CO LTD

Device compatible with infrared communication and capable of detecting metering pulse of electric energy meter

The utility model discloses a device compatible with infrared communication and capable of detecting metering pulse of an electric energy meter, belongs to the technical field of electric energy meter production, and effectively solves the problem that wiring accessories of an electric energy meter detection device are complicated and complicated by integrating an infrared communication joint and a photoelectric head into an integrated probe. And the phenomenon that the infrared communication joint and the photoelectric head physically interfere with each other or are inconvenient to operate can be effectively solved. The device compatible with infrared communication and capable of detecting the metering pulse of the electric energy meter comprises a PC communication structure and an infrared detection head, the PC communication structure is connected with a PC on an inspection bench body through a connection structure, and the infrared detection head is matched with the electric energy meter for detection through an adsorption connection structure; a wire cable is installed between the PC communication structure and the infrared detection head, one end of the wire cable is provided with a pulse connecting line, one end of the pulse connecting line is provided with a metering pulse output plug, and the metering pulse output plug is connected with a pulse input socket of the PC in an inserted mode.
Owner:HENGYE ELECTRONICS JIAXING CITY

A multi-channel array integrated gas sensing module

PendingCN122591889Aresolve mutual interferenceEnsure signal integrity
This invention discloses a multi-channel array integrated gas sensing module. The gas sensing module adopts a three-dimensional stacked structure, divided into an interface layer, a circuit layer, and a sensing layer. The circuit layer and the sensing layer are physically isolated by a sealing partition. The sensing layer includes a multi-channel gas sensing array and a pre-gas path cavity. The multi-channel gas sensing array includes several pairs of sensing units. The circuit layer includes a multi-select analog switch array, an instrumentation amplifier, an analog-to-digital converter, and a communication interface chip connected in sequence. The gas outlet of the pre-gas path cavity faces the sensitive surface of each sensing chip. The differential signal output terminal of each sensing unit pair is connected to the input terminal of the multi-select analog switch array. The communication interface chip is connected to the electrical contacts of the interface layer. The multi-select analog switch switches sequentially according to a preset order, turning on each sensing unit in turn to the instrumentation amplifier. Based on this, this invention achieves miniaturized integration and high signal-to-noise ratio output.
Owner:WUHAN UNIV

Wearable lower limb exoskeleton robot with adjustable hip joint

The invention discloses a wearable lower limb exoskeleton robot with an adjustable hip joint, and belongs to the technical field of exoskeleton robots. The wearable lower limb exoskeleton robot comprises a hip joint adjusting device and two lower limb exoskeleton mechanisms; the hip joint adjusting device comprises a hip cross beam, a first synchronous adjusting device, two second synchronous adjusting devices and two gravity center floating devices. The first synchronous adjusting device is mounted on the hip cross beam; the two second synchronous adjusting devices are respectively arranged on the first synchronous adjusting device; the two gravity center floating devices are installed on the two second synchronous adjusting devices in a one-to-one correspondence mode. The two lower limb exoskeleton mechanisms are installed on the two gravity center floating devices in a one-to-one correspondence mode. Left-right and front-back stepless adjustment on the sagittal plane is achieved, up-down floating can be achieved according to gravity center changes of a human body during rehabilitation training or auxiliary walking, the wearing requirements of the hips of different patients can be met, the motion posture of the device is close to the walking gait of a normal person, and the use experience degree and the rehabilitation training degree of the patients can be improved.
Owner:BEIBU GULF UNIV +1

An AI-based variable-frequency solar heat pump air conditioning unit and control method

PendingCN122384170ARealize intelligent temperature compensationImprove heat transfer efficiency
The application discloses a kind of based on AI's variable frequency solar heat pump air conditioning unit and control method, including by inclined plate solar collector, air conditioner outdoor unit and air conditioner indoor unit consisting of variable frequency solar heat pump air conditioning unit, and inclined plate solar collector is connected to water storage tank by pipeline and the heated water liquid is stored, the present application relates to solar heat pump air conditioning technical field.The based on AI's variable frequency solar heat pump air conditioning unit and control method of the present application, by setting temperature sensor in heat exchanger inside and outside, and using AI double threshold and temperature interval and delay judgment control logic, real-time acquisition internal temperature and external temperature, accurately identify frost and overheating state, through inclined plate solar collector and water storage tank cooperation, directly utilize solar hot air defrosting compensation, solve the problem that traditional unit cannot self-adapting temperature control, easy frost, easy overheating, realize heat exchanger temperature intelligent compensation, significantly improve heat exchange efficiency, reduce energy consumption and failure rate.
Owner:JICHUANG INTELLIGENT MANUFACTURING TECHNOLOGY (QINGDAO) CO LTD

Sectional pressure relief and reinforcement control method of tunnel roof based on double tunneling

ActiveCN114575844Bresolve mutual interferencesolve the impactUnderground chambersUnderground mining
The present invention provides a method for controlling the segmented pressure relief and reinforcement of the tunnel roof based on double tunnel excavation, including: obtaining geological parameters of the coal seam roof; according to the geological parameters, drilling holes obliquely toward the coal seam roof at the side tunnel wall of the coal pillar in the second tunnel, so that the drilled holes pass through the direct roof of the first tunnel and extend into the basic roof of the mining face; based on the section where the drill hole located at the basic roof is located, hydraulic fracturing is performed on the basic roof; based on the section where the drill hole located at the direct roof is located, grouting reinforcement is performed on the direct roof. The present invention not only optimizes the fracturing and grouting operation procedures in terms of technology and improves the operation efficiency, but also can alleviate the influence of the high advanced support pressure and lateral support pressure caused by the difficulty of hard roof collapse on the stability of the tunnel surrounding rock, improve the structural integrity and bearing capacity of the local roof of the tunnel, transfer the stress above the coal pillar in the section to a certain extent, and achieve the purpose of controlling the deformation of the tunnel surrounding rock.
Owner:TIANDI SCI & TECH CO LTD +1

Online monitoring method for abnormal vibration of heat energy storage equipment

The invention provides an on-line monitoring method for abnormal vibration of thermal energy storage equipment, and belongs to the technical field of thermal energy storage equipment. A multi-source sensor array comprising low-frequency and high-frequency vibration sensors is arranged at key parts of the thermal energy storage equipment, and noise interference is suppressed in a differential arrangement mode; a multi-source coupling vibration signal is separated by using an independent component analysis algorithm, time-frequency analysis is performed by combining wavelet transform to extract vibration characteristics, and a phase change vibration characteristic mechanism equation is established to calculate material physical parameter changes in a phase change process. A neural network identification model based on dynamic topology reconstruction sparse connection learning and probability graph model structured prediction is constructed, and a vibration anomaly discrimination threshold system is established to realize anomaly early warning and adaptive optimization. The technical problem that the abnormal vibration mode is difficult to accurately separate and identify by the multi-source coupling vibration signal in the phase change process of the thermal energy storage equipment is solved.
Owner:ORDOS LABORATORY +1

Matched headstock for underground coal mine aerial passenger device

ActiveCN222576709UEasy to transport up and downresolve mutual interferenceEarth drilling and miningUnderground transportField conditionsJackscrew
The utility model discloses a headstock matched with an underground coal mine aerial passenger device, belongs to the technical field of underground coal mine devices, and aims to solve the problems that the underground coal mine roadway is limited in width and narrow in space, and the aerial passenger device cannot be installed in a conventional construction joist mode due to the influence of field conditions in the field installation process. In order to solve the problem of mutual interference between a joist and a belt conveyor in the installation mode under the condition that the joist and the belt conveyor are arranged in the same lane, the joist comprises a front supporting leg, a middle supporting leg and a rear supporting leg which are symmetrically arranged, and a top beam is arranged at the top ends of the front supporting leg, the middle supporting leg and the rear supporting leg; the two ends of the top beam are respectively provided with a movable beam used for being connected with a driving device of the overhead passenger device, X-shaped diagonal braces are arranged among the front supporting legs, the middle supporting legs and the rear supporting legs, the front supporting legs are connected through transverse braces, and the top ends of the movable beams are provided with an overhauling platform. According to the utility model, the movable beam is arranged, and the distance between the jackscrew seats is adjusted, so that the fixing of driving devices with different sizes is realized.
Owner:SHANXI JINMEI GRP ZHAOZHUANG COAL IND CO LTD

Method and system for identifying and modeling multi-time scale characteristics of power grid frequency fluctuation

PendingCN122087433AAchieve full time scale coverageEfficient removal
The invention discloses a power grid frequency fluctuation multi-time scale feature identification and modeling method and system. The method comprises the steps of obtaining a frequency fluctuation sequence; performing detrending fluctuation analysis on the frequency fluctuation sequence to obtain a fluctuation function; acquiring a local maximum value of the fluctuation function, and dividing second-level, minute-level and hour-level time scale intervals; in different time scale intervals, a second-order autoregression model is adopted to carry out modeling on frequency fluctuation; all the second-order autoregression models are superposed, a power grid frequency average value in a set period is added to obtain a power grid frequency preliminary comprehensive model, and the preliminary comprehensive model is corrected based on historical accumulated deviation in a set long-time scale; the characteristic equations of all the second-order autoregression models are solved, different characteristic parameters are selected for calculation or acquisition according to the types of the characteristic roots, and the different characteristic parameters correspond to different power grid adjusting mechanisms. According to the method, accurate quantification of each fluctuation source is realized, and specific key parameters such as relaxation time, oscillation period and noise variance are identified.
Owner:NARI TECH CO LTD +2

Battery health state estimation method and system based on sequential network and physical information fusion, and medium

The invention relates to a battery health state estimation method and system based on a sequential network and physical information fusion, and a medium. The method comprises the following steps: collecting battery charge-discharge cycle data, extracting characteristics related to battery degradation, and preprocessing the characteristics; constructing a physical information neural network branch, designing a special sub-network group based on a physical mechanism of battery degradation, extracting physical characteristics related to the corresponding degradation mechanism from original characteristics by each sub-network, and outputting a health state prediction value based on the physical characteristics after fusion; constructing a time sequence neural network branch, and outputting a health state prediction value based on time sequence characteristics; and setting an adaptive fusion layer, and carrying out weighted combination on the predicted values of the two branches to obtain a final battery health state estimation value. According to the method, the battery health state estimation precision can be improved while the physical interpretability is kept, and the generalization ability of the model to different working conditions and battery individuals is enhanced.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Handle controller with Bluetooth and WiFi functions

The utility model relates to a handle controller with Bluetooth and WiFi functions, which comprises a Bluetooth and WiFi communication module circuit, a battery electric quantity detection and charging circuit, a display screen, a rocker circuit and a key circuit, and the Bluetooth and WiFi communication module circuit is respectively connected with the battery electric quantity detection and charging circuit, the display screen, the rocker circuit and the key circuit. According to the design, an ESP32S3 main control chip is used, and secondary development can be carried out by using open source software. Python programming and graphical programming can be used, and the method is suitable for STEM education in middle and primary schools. Bluetooth and WiFi communication is supported in the aspect of communication, and the problem of mutual interference caused by simultaneous operation of multiple devices can be solved.
Owner:DOTTED & LINE DIGITAL INTELLIGENT TECHNOLOGY (SHENZHEN) CO LTD

A temperature and pressure composite sensor and correction solution method

The present invention belongs to the field of airborne sensors, and relates to a temperature-pressure composite sensor and a correction and solution method. The temperature-pressure composite probe includes a pressure sensitive element and a temperature sensitive element. The temperature-pressure composite probe detects the temperature and pressure of the measured medium. The solution unit demodulates, temperature compensates, and performs nonlinear correction on the outputs of the pressure sensitive element and the temperature sensitive element, respectively, to obtain the pressure P and the temperature T, and converts the output in the form of CAN through the output unit. The temperature-pressure composite sensor integrates temperature and pressure signal detection, conversion, conditioning, correction and solution, achieving a higher degree of integration. The correction method of the temperature measurement part of the sensor can be extended to a wider temperature range, thereby improving the temperature measurement accuracy in a wide temperature range. The solution process of the temperature-pressure composite sensor does not require very dense temperature points and pressure points, thereby improving the efficiency of demodulation.
Owner:WUHAN AVIATION INSTR

Kerberos application deployment method and device

The invention provides a Kerberos application deployment method and device, and belongs to the technical field of software deployment, and the method comprises the steps: configuring a configuration item for Kerberos application operation; constructing a multi-CPU (Central Processing Unit) architecture mirror image of the Kerberos application; the method comprises the following steps: establishing a Kubernetes cluster for operating a containerized application; and deploying the Kerberos application in a containerized Kubernetes cluster on the basis of the configuration item and the multi-CPU architecture mirror image. According to the method and the device, containerized deployment of the Kerberos application is realized, the Kerberos instances running in different environments are ensured to have the same dependency item and configuration, the problem caused by inconsistent environments is eliminated, each Kerberos instance is enabled to run independently, and the problems of resource contention and mutual interference are solved. Moreover, the Kerberos application examples can be quickly started and stopped, and the application examples can be expanded and reduced according to requirements, so that the use requirements of dynamic changes are met, the deployment is simple and convenient, and the practicability is improved.
Owner:CHONGQING DAMENG BIG DATA CO LTD

High-performance visible light-long wave infrared two-in-one optical system

The invention discloses a high-performance visible light-long wave infrared two-in-one optical system which mainly solves the problems that a traditional independent visible light system and a traditional independent infrared band optical system are large in size and weight and the like. The optical system comprises a main reflector, a spectrum light splitting element, a visible light continuous zooming optical module and a long-wave infrared optical module. A light beam from a target object is reflected by the main reflector to reach the spectrum light splitting element and then is divided into two paths, one path is reflected to enter the visible light continuous zooming optical module, and the other path is transmitted to enter the long-wave infrared optical module; the main reflecting mirror, the spectrum light splitting element and the visible light continuous zooming optical module jointly form a visible light continuous zooming optical system to receive visible light in the light beam; the main reflector, the spectrum light splitting element and the long-wave infrared optical module jointly form a long-wave infrared optical system to receive long-wave infrared light in the light beam. The optical system can meet the requirements for long-distance high-sensitivity detection and medium-short distance high-resolution high-contrast imaging of a target.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Double-broadband substrate integrated waveguide cavity-backed slot antenna

The double-broadband substrate integrated waveguide back cavity slot antenna comprises a circular dielectric substrate, and the upper layer and the lower layer of the dielectric substrate are covered with a first metal layer and a second metal layer respectively; the outer ring of the antenna unit is provided with a plurality of metalized through holes, so that the antenna unit forms a substrate integrated waveguide structure; the center of the first metal layer and the center of the second metal layer are respectively provided with a feed hole, and a feed probe penetrates through the feed hole. A plurality of metalized short-circuit through holes are formed in the circumference of the first metal layer by taking the feed hole as a circle center; the first metal layer is provided with a plurality of gaps in different shapes, and the metalized short-circuit through holes are located among the gaps. According to the invention, the bandwidth of the antenna is obviously improved by fusing a plurality of resonant modes of the substrate integrated waveguide, and the antenna gain can be improved while the broadband performance is obtained by optimally designing the structure of the radiation slot of the substrate integrated waveguide back cavity slot antenna.
Owner:NANJING UNIV OF POSTS & TELECOMM

A multi-layer heterogeneous library-based sci-tech information retrieval enhancement method and system

PendingCN122594335Aresolve mutual interferenceavoid scour
The present application relates to a multi-layer heterogeneous library-based technology information retrieval enhancement method and system, the method comprising: constructing a multi-layer heterogeneous storage architecture including an outer stable state library, a middle transition library and an inner transient library and configuring an adaptive hierarchical sedimentation update mechanism; after receiving a user query, retrieving an anchor technology base in the outer stable state library, if the base similarity is insufficient, automatically retrieving a reinforced base in the middle transition library, obtaining an anchor vector and calculating a time decay weight; calculating the query vector and the base vector residual and determining whether to trigger evolution enhancement, if triggered, reconstructing the query evolution enhancement vector using a dynamic residual increment coefficient; using the enhanced vector to retrieve the front information in the inner transient library and adaptively fusing the outer layer or middle layer base score and the inner layer score, introducing an evolutionary consistency reward to rearrange and mark the results and output structured information. The present application can effectively capture the technology evolution trend, while maintaining the retrieval accuracy and improving the evolution direction tracking capability.
Owner:BEIHANG UNIV

A multi-lens monitoring device

ActiveCN224653585UAccurately matched fill light supportavoid mismatch
The utility model discloses a kind of multi-lens monitoring equipment, including ball cover, base, multiple lens assemblies and multiple light supplementing components, multiple lens assemblies and multiple light supplementing components are in the inner cavity formed by ball cover and base, lens assembly can be circumferentially moved relative to base, and light supplementing component is synchronously circumferentially moved when lens assembly moves, the bottom of ball cover is equipped with bottom mounting, bottom mounting is connected with base, ball cover includes first light-transmitting part, second light-transmitting part and light-blocking part, light-blocking part is located between first light-transmitting part and second light-transmitting part, first light-transmitting part is configured to pass through natural light, second light-transmitting part is configured to pass through infrared light, light-blocking part is configured to block the optical crosstalk of natural light, which is transmitted by first light-transmitting part, and infrared light, which is transmitted by second light-transmitting part, in the interior of ball cover.The utility model can realize that light supplementing component and lens assembly are synchronously circumferentially moved, and can also block natural light and infrared light crosstalk.
Owner:HUIZHOU TVT DIGITAL TECH CO LTD

An ultra-diagonal ris enhanced multi-target sensing integration optimization method and system

PendingCN122621196Aincrease freedomStrong beamforming capability
The present application relates to the technical field of wireless communication, and particularly relates to a kind of super-diagonal RIS enhanced multi-target sensing integration optimization method and system. Including: establishing super-diagonal RIS enhanced multi-target sensing integration system model;Under the constraints such as meeting user minimum rate constraint and base station transmitting power constraint, with base station transmitting beamforming matrix and super-diagonal RIS scattering matrix as optimization variable, the sensing estimation Cramer-Rao bound minimization is constructed Sensing integration joint optimization problem;The joint optimization problem is solved by alternating optimization algorithm, on the one hand, the Shur complement convex conversion technology and semi-positive definite relaxation method are used to optimize base station transmitting beamforming matrix, on the other hand, the adaptive Riemann steepest descent method based on geodesic is used to optimize super-diagonal RIS scattering matrix under unitary constraint, and the common promotion of sensing performance of super-diagonal RIS enhanced multi-target sensing integration system is realized by the alternating optimization of two parts.
Owner:UNIV OF SCI & TECH BEIJING

A method for improving SSD utilization, storage device and SSD controller

A device for improving the utilization rate of a solid-state hard disk, the device comprising: a solid-state hard disk (SSD) controller and a storage medium array; wherein the SSD controller comprises a receiving unit and a processing unit, the storage medium array comprises at least one PU, and the PU is divided into a main area MA and / or a rental area LA; the receiving unit is used to receive at least one service sent by at least one host or virtual machine; the processing unit is used to determine the minimum number of concurrent units PU required for each service; the processing unit is also used to allocate the service to the MA or LA with the minimum number of PUs.
Owner:HUAWEI TECH CO LTD