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25results about How to "Reduce cross-interference" patented technology
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Electronic nose system for identifying mixed gas based on sensing array and application
ActiveCN119086660Aaccurate identificationgood precisionMaterial resistanceAir quality improvementDistribution systemProcess engineering
The invention relates to an electronic nose system for identifying mixed gas based on a sensing array and application. The electronic nose system is composed of a gas distribution system, a sensing array and a signal module, wherein the gas distribution system is composed of dynamic gas distribution equipment and a gas source; the sensing array is composed of a plurality of sensors; and the signal module carries out processing and mode identification on the signal through the upper computer development system. And the electronic nose system obtains response-recovery curve data and performs further processing and pattern recognition on the response-recovery curve data, so that accurate recognition of the low-concentration ethanol, ammonia gas and toluene mixed gas is realized. According to the invention, the mixed gas of low-concentration ethanol, ammonia gas and toluene can be accurately identified, the gas concentration can be accurately judged, and the method has a potential application prospect in monitoring ethanol, ammonia gas and toluene gas in environments such as atmosphere, chemical plants and homes.
Owner:CHENGDU YALIAN TECH CO LTD
Pipeline leakage monitoring method and system based on industrial voiceprint AI recognition
ActiveCN119468090Aquality improvementensure safetyDetection of fluid at leakage pointPipeline systemsData setNoise reduction
The invention relates to the technical field of leakage monitoring, and discloses a pipeline leakage monitoring method and system based on industrial voiceprint AI recognition, and the method comprises the steps: arranging a microphone array along a to-be-monitored pipeline; a voiceprint signal set is collected, and after noise reduction processing is carried out, each voiceprint amplitude is obtained; comparing the voiceprint amplitude with an amplitude standard range to judge whether the voiceprint amplitude is abnormal, if so, extracting all abnormal voiceprint amplitudes, recording abnormal signal positions, establishing a voiceprint fitting curve, and judging the number of abnormal leakage points; when it is judged that the abnormal leakage points are not unique, a fluctuation curve is extracted, segmentation processing is carried out, a simulation peak value of the fluctuation curve is determined according to the first data set and the second data set, and an abnormal value is determined according to the fusion curve; and comparing the abnormal value with a preset abnormal value, and performing abnormal early warning according to a comparison result. Through segment processing, peak value simulation and curve fusion, cross interference of signals is reduced, and the risk of false alarm and missing alarm is reduced.
Owner:PIPECHINA NETWORK GROUP NORTH PIPELINE CO LTD +2
Convolutional neural network-based portable electronic nose for beer identification
PendingCN119667082Areduce cross-interferenceevenly distributedNeural learning methodsKnowledge based modelsSensor arrayA d converter
A portable electronic nose used for beer identification and based on a convolutional neural network is characterized in that a vertical annular gas sensor array is arranged, the gas sensor array is connected with a preprocessing module through an ADC analog-to-digital converter, and the preprocessing module is connected with a beer identification module; the gas sensor array is used for collecting beer gas signals and transmitting the beer gas signals to the preprocessing module; the preprocessing module is used for preprocessing the beer gas signal and then transmitting preprocessed beer gas data to the beer identification module; and the beer identification module is a two-dimensional convolutional neural network model CC-2DCNN based on a channel attention mechanism and a cosine annealing hot restart strategy, and is used for carrying out beer identification according to the beer gas data and outputting a beer identification result. The method has the advantages that accuracy and reliability of beer identification are improved, and a reliable solution is provided for detecting counterfeit beer and preventing beer deterioration.
Owner:SOUTHWEST UNIV
Automatic driving vehicle scheduling method under continuous confluence and divergence bottleneck traffic scene
PendingCN119252062Aefficient schedulingImprove traffic efficiencyInternal combustion piston enginesDetection of traffic movementTime headwayIntelligent control
The invention discloses a collaborative automatic driving vehicle scheduling method based on a deep reinforcement learning framework. The method comprises the following steps: firstly, designing a reward function formed by combining a system-level speed reward and a time headway punishment; then, a joint state space based on a reinforcement learning framework is designed, and the joint state space comprises information such as relative speed and relative distance between a front vehicle / rear vehicle of the same lane, a front vehicle / rear vehicle of a left adjacent lane and a front vehicle / rear vehicle of a right adjacent lane; thirdly, combining the acceleration output vector and the lane changing action of the automatic driving vehicle, and designing a joint action space for reinforcement learning; finally, the designed deep reinforcement learning framework is fully trained, stable vehicle speed, lane changing and other control information can be output, and cooperative intelligent control over the automatic driving vehicle is achieved. According to the method provided by the invention, the average passing speed of the vehicle under the condition of mixed driving of the manual driving vehicle and the automatic driving vehicle in the continuous confluence and divergence bottleneck traffic scene can be improved, and the collision danger frequency of the vehicle is reduced.
Owner:HOHAI UNIV
Instantaneous pulse hard X-ray detection system with space background suppression function
ActiveCN119126180Areduce cross-interferenceLarge detection areaRadiation intensity measurementData displaySoftware engineering
The invention discloses a prompt pulse hard X-ray detection system with a space background suppression function, and relates to the technical field of space radiation detection, the prompt pulse hard X-ray detection system comprises a detection module, a data summarization synchronization module and a terminal data processing display module which are connected in sequence, the detection module is used for detecting background interference signals and effective signals of X-rays, and the terminal data processing display module is used for processing the effective signals of the X-rays. The pulse width statistical data is uploaded or effective signal screening is carried out according to the working mode, interference signals are eliminated, and preliminary coincidence signals are output; the data summarization and synchronization module is used for summarizing the data of the plurality of detection modules, performing corresponding work according to the working mode, obtaining the data summarized by the plurality of detection modules, and providing a synchronization signal; and the terminal data processing display module is used for receiving the data summarized by the plurality of detection modules and displaying the corresponding data. According to the invention, a backward pulse hard X-ray signal within a certain energy range generated by the generation of the tough-induced radiation in a space high-radiation background environment can be effectively identified.
Owner:NORTHWEST INST OF NUCLEAR TECH
A pan-tilt device for installing microwave radar and its control system
This invention provides a gimbal device and its control system for mounting microwave radar on a drone. The device includes a gimbal box, a gimbal cover, an upper arm, a lower arm, an upper arm cover plate, a first three-phase brushless DC motor, and a second three-phase brushless DC motor. One end of the lower arm is connected to the gimbal box via the first three-phase brushless DC motor, and the other end is connected to the upper arm via the second three-phase brushless DC motor. The first three-phase brushless DC motor is fixedly connected to the lower arm, and its rotating shaft is connected to the gimbal box. The second three-phase brushless DC motor is fixedly connected to the upper arm, and its rotating shaft is connected to the lower arm. The top of the upper arm is connected to the drone chassis. This invention provides a horizontal and pitch adjustment support device and system, which, through coordinated structural, hardware circuit, and software program control, achieves the functions of maintaining the radar incident angle of the drone's flight attitude and data transmission.
Owner:NORTHWEST A & F UNIV
Light, storage and firewood integrated container
ActiveCN224178116Ureduce cross-interferenceMaximize utilization of standardized transportation spacePhotovoltaic supportsSubstation/switching arrangement detailsThermodynamicsElectrical battery
The utility model relates to the technical field of energy equipment, in particular to a light, storage and firewood integrated container which comprises a container body, partition plates are arranged in the container body, and the interior of the container body is divided into an energy storage battery chamber, a diesel generator chamber and a photovoltaic storage chamber through the partition plates. A diesel generator is arranged in the diesel generator chamber, an installation support used for installing energy storage components is arranged in the energy storage battery chamber, a photovoltaic support is arranged in the photovoltaic storage chamber, a photovoltaic panel is installed on the photovoltaic support, and a rotation adjusting mechanism is arranged between the photovoltaic support and the container body. The interior of the container body is divided into the energy storage battery chamber, the diesel generator chamber and the photovoltaic storage chamber by arranging the partition plates, and the space in the container body is reasonably divided; and the rotation adjusting bracket is arranged to rotate the photovoltaic bracket and adjust the angle, so that the angle adjusting range is widened, the photovoltaic panel is more effectively contacted with sunlight, and the use convenience is improved.
Owner:ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
Three-axis FBG acceleration measuring device and measuring method
ActiveCN119642955Aavoid deformationReduce deformationSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansCantilevered beamRight triangle
The invention relates to the field of vibration acceleration measurement, and discloses a three-axis FBG acceleration measurement device and measurement method.The measurement device comprises a solid shell of an isosceles right triangle structure, cavities are formed in the three edges of the solid shell respectively, FBG measurement units are arranged in the cavities respectively, each FBG measurement unit comprises a cantilever beam, a mass block and an optical fiber, and the mass block is connected with the cantilever beam. An FBG is engraved in the middle of the optical fiber; one end of the cantilever beam is fixed on the side surface of the cavity of the solid shell, and the other end is connected to the mass block; a groove is formed in the bottom of the cavity, and the mass block is embedded in the groove and can slide in the groove in the length direction of the cantilever beam; the whole optical fiber is pasted on the surface of the cantilever beam, and two ends are respectively fixed on the mass block and the side surface of the cavity of the solid shell. The device disclosed by the invention can realize accurate measurement of three-component acceleration, is stable in structure, and can reduce environmental influences such as wind resistance and water flow erosion.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI +1
Aspheric optical element surface shape detection device and method
InactiveCN119245548AMeet measurement needsSimplify configuration difficultyUsing optical meansBeam splitterPhase shifted
The invention discloses an aspheric optical element surface shape detection device and method, and belongs to the technical field of optical element detection. The detection device comprises a laser light source, a first beam splitter, double CGHs, two Twyman Green interference modules and a supporting table. The detection method comprises the steps of S1, stabilizing a light source; s2, adjusting a detection device; s3, phase shifting is carried out; s4, collecting an interferogram; s5, integrating the information; and S6, switching the element to be tested. The adjustable wavelength laser is used as a laser light source, and the measurement requirements of different materials can be met by adjusting the wavelength; the double CGHs capable of generating two different wavefronts at the same time are used for meeting the surface shape measurement requirement of an optical element composed of any two aspheric surfaces. According to the invention, a double-CGH and optical fiber simplified double-channel interference system design is used, the possibility of cross interference is reduced, the optical configuration and adjustment difficulty are simplified, the surface shape measurement requirements of various materials can be met, and high-precision, high-performance and universal surface shape measurement of an optical element formed by any two aspheric surfaces can be realized.
Owner:HARBIN UNIV OF SCI & TECH
Horizontal spiral discharging sedimentation centrifuge for treating percolate
InactiveCN119186842AEfficient solid-liquid separationFacilitate depositionRotary centrifugesEnvironmental engineeringScrew conveyor
The horizontal type spiral discharging sedimentation centrifuge comprises a machine base, protective covers are fixedly connected to the two sides of the upper end of the machine base respectively, a shell is fixedly connected to the portion, between the protective covers, of the machine base, a rotary drum is rotationally connected into the shell, a spiral conveyor is rotationally connected into the rotary drum, and the spiral conveyor is fixedly connected with the machine base. A liquid outlet pipe is rotationally connected to the central axis of the spiral conveyor, the liquid outlet pipe is communicated with a liquid outlet cavity formed in the spiral conveyor, a liquid inlet pipe is connected into the liquid outlet pipe in a sleeved mode, a liquid inlet cavity is formed in one end of the interior of the spiral conveyor, and the end of the liquid inlet pipe is communicated with the liquid inlet cavity. According to the horizontal type spiral discharging sedimentation centrifuge, the structures of the rotary drum and the spiral conveyor are optimized, the operation process is simplified, energy consumption is reduced, the maintenance requirement is reduced, and the solid-liquid separation effect and the equipment stability are improved.
Owner:XIANGTAN TONGYONG CENTRIFUGE
Multi-parameter water quality monitoring device
ActiveCN224383257Ureduce cross-interferenceAchieving Simultaneous DetectionScattering properties measurementsTesting water
The application relates to a multi-parameter water quality monitoring device which comprises a turbidity sensor, a flow cell, a residual chlorine sensor, a PH sensor and a conductivity sensor; the turbidity sensor is suitable for being connected to a water inlet; the flow cell is internally provided with a residual chlorine sensor bin, a PH sensor bin, a conductivity sensor bin and a connecting channel; the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin are vertically arranged; the connecting channel is horizontally arranged and is in communication with the bottoms of the residual chlorine sensor bin, the PH sensor bin and the conductivity sensor bin; the residual chlorine sensor is arranged at the internal top end of the residual chlorine sensor bin; the PH sensor is arranged at the internal top end of the PH sensor bin; and the conductivity sensor is arranged at the internal top end of the conductivity sensor bin; the flow cell is further internally provided with a pressure stabilizing bin; the pressure stabilizing bin is vertically arranged, the bottom of the pressure stabilizing bin is connected with the end of the connecting channel, the top of the pressure stabilizing bin is connected with the turbidity sensor, and the end of the connecting channel, which is away from the pressure stabilizing bin, is provided with a water outlet.
Owner:BEIJING TIMES XINWEI MEASUREMENT & CONTROL EQUIP CO LTD
Rotating frame remote sensing target detection method based on lightweight deep neural network
ActiveCN114005045Breduce cross-interferenceImprove inference speedScene recognitionData setEngineering
The present invention relates to a rotating frame remote sensing target detection method based on a lightweight deep neural network, comprising: obtaining a remote sensing target detection data set and preprocessing it, dividing the data set into a training set and a test set; building a single-stage target detection network model based on a rotating frame; using the training set to iteratively train the single-stage target detection network model based on a rotating frame, so that the single-stage target detection network model based on a rotating frame converges; inputting the test set into the single-stage target detection network model based on a rotating frame, and verifying the performance; and performing structured pruning and compression processing on the single-stage target detection network model based on a rotating frame to make it lightweight. The method of the present invention can improve the detection and recognition accuracy and speed of slender and closely adjacent targets such as ships in port areas of remote sensing images.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY
A rapid test card for ABO, RhD blood typing and sickle cell anemia
This invention discloses a rapid test card for ABO, RhD blood typing and sickle cell anemia, comprising a card holder, a card cover, an ABD test strip, and an SCD test strip. The ABD and SCD test strips are installed in the card holder, and the card cover is affixed to the card holder. This invention can simultaneously detect ABO, RhD blood typing, and SCD. By improving sample processing, test point layout, and test strip design, it overcomes the shortcomings of existing technologies, significantly improving the accuracy, simplicity, and efficiency of the test, making it particularly suitable for point-of-care testing.
Owner:INTEC PROD INC
Lamination co-firing device for preparing aluminum nitride ceramic heater
ActiveCN222187794Ucompact designsmall footprintCharge manipulationFurnace typesAccident riskNitriding
The utility model relates to the technical field of lamination co-firing equipment, in particular to a lamination co-firing device for preparing an aluminum nitride ceramic heater. According to the technical scheme, the furnace comprises a base and an outer furnace body installed at the top of the base, and further comprises an inner furnace body which is installed in the outer furnace body and used for being taken and placed through hoisting equipment, and an electrostatic chuck is arranged in the inner furnace body. According to the utility model, the U-shaped hole, the hoisting frame, the electrostatic chuck, the hoisting mechanism, the transmission mechanism and other structures are matched, and hoisting equipment of the lamination co-firing device is integrally designed and is used for taking and placing materials in the sintering process. By means of the design, it can be guaranteed that the hoisting equipment and the sintering furnace are matched more tightly, operation is more convenient, and the matching problem between the equipment is reduced. Meanwhile, hoisting equipment of the sintering furnace is generally compact in design and relatively small in occupied space, and cross interference between the equipment and potential safety hazards of operators are reduced, so that the operators are prevented from suffering more collision and accident risks, and the working safety is improved.
Owner:HANG NENG CORE HEAT (TAICANG) TECH CO LTD
Orthogonal bidirectional force sensor of variable cross-section cantilever structure and measuring method
PendingCN121954307AReduce decouplingreduce dependenceForce measurementApparatus for force/torque/work measurementElastomerStrain gauge
The invention relates to the field of force sensors, and discloses an orthogonal bidirectional force sensor of a variable cross-section cantilever structure and a measurement method, and the orthogonal bidirectional force sensor comprises a base, an elastic body, a first strain gauge group for detecting a first direction load component, a second strain gauge group for detecting a second direction load component, and a signal processing unit. The first direction is orthogonal to the second direction; the elastic body comprises a first cantilever and a second cantilever, the root of the first cantilever is fixed to the base, the tail of the first cantilever is perpendicularly connected with the side face of the root of the second cantilever, the tail of the second cantilever is a free end, the first strain gauge set is arranged on the first cantilever, and the second strain gauge set is arranged on the second cantilever. The first strain gauge group and the second strain gauge group are connected with the signal processing unit; the first cantilever adopts a first variable cross-section design. The invention has the advantages that the cross interference is reduced, the optimal balance between the sensitivity and the rigidity is realized, the space compactness and the integration degree are extremely high, and the manufacturing and calibration process is simplified.
Owner:泉州职业技术大学
Primer group for amplifying serotype dengue type II virus genome, kit and application
PendingCN119639961AStrong specificityimprove throughputMicrobiological testing/measurementDNA/RNA fragmentationGenomic sequencingNucleotide
The invention discloses a primer group for amplifying a serotype dengue type II virus genome. The primer group comprises a primer pair 1 to a primer pair 16, and the nucleotide sequences of the 16 primer pairs are sequentially shown as SEQ ID NO: 1 to SEQ ID NO: 32. The invention also discloses a targeted amplification kit which contains the primer group and is used for rapidly amplifying the serotype dengue type II virus. The invention also discloses application of the primer group and the kit in preparation of a product for amplifying a serotype dengue type II virus genome. The invention also discloses a method for rapidly obtaining a serotype dengue type II virus whole genome based on targeted amplification. The targeted amplification primer group consists of 16 pairs of primers, can cover and amplify all current epidemic serotype dengue II virus strains, and is high in amplification efficiency and less in cross interference; meanwhile, genomes obtained by a downstream sequencing method and an analysis method constructed by the amplicon are high in sequencing precision and large in sequencing flux.
Owner:SOUTHERN MEDICAL UNIVERSITY
A cabinet internal compartment air duct flow guide device
ActiveCN224399815Ureduce cross-interferenceavoid confusionDigital processing power distributionMechanical engineeringPhysics
Owner:BEIJING BBEF SCI & TECH
A temporary support construction structure of a stiffening beam
This invention relates to the field of temporary support construction structures for stiffened beams, specifically a temporary support construction structure for stiffened beams, comprising an integrated support formwork system, a lifting mechanism, and a double-T-shaped support mechanism. The integrated support formwork system includes temporary support uprights and longitudinal and transverse connecting rods. The temporary support uprights are integrally fixed to the scaffolding system via snap-fit fasteners. A liftable lifting mechanism is mounted on the top of each temporary support upright, and the upper end of the lifting mechanism supports the bottom template of the beam. A built-in double-T-shaped support mechanism is mounted inside the bottom template of the beam. This invention, through the integrated formwork system combined with the built-in support structure and the on-site scaffolding as auxiliary support, eliminates the need for custom-made special jigs based on different steel beam heights and spans, saving the traditional process of fabricating, erecting, and reinforcing numerous jigs, significantly reducing the input of temporary turnover materials, and lowering construction costs and material waste.
Owner:SHANGHAI BAOYE GRP CORP
A hammer mill
ActiveCN224308513Ureduce cross-interferencesmooth rotationGrain treatmentsThermodynamicsStructural engineering
This utility model discloses a hammer mill, belonging to the technical field of hammer mills. Key technical features include a mill structure with a lower partition plate fastened to its inner wall, a fixing mechanism bolted to the left side of the lower partition plate, an upper partition plate at the top of the lower partition plate, a cover at the top of the mill structure, a sieve plate on the inner wall of the mill structure, and a discharge hopper at the bottom of the mill structure. The fixing mechanism includes a knob, a first fixing block, and a second fixing block. The first fixing block is bolted to the upper partition plate on the side closest to it. This invention solves the problems of existing hammer mills having a single-cavity crushing chamber, which is inconvenient for graded crushing of materials, resulting in low crushing efficiency. Furthermore, most mills are inconvenient to disassemble and install during maintenance, affecting the subsequent maintenance efficiency of the crusher.
Owner:GUANGZHOU TIANDI IND CO LTD
A device and method of construction for shipbuilding block facade work
The application discloses a device for ship section vertical surface operation, which comprises a plate edge sliding module, a T-shaped chuck and a construction operation platform. The device can significantly improve the personnel operation environment, reduce the space position occupied by the installation of additional tooling such as scaffolds and constraint tooling, and thus significantly reduce the cross interference on the construction process. The application also relates to a construction method for applying the device for ship section vertical surface operation, which significantly improves the plate welding efficiency of the section vertical surface and the installation efficiency of the section.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP
Oral occlusion mark image acquisition and dual-mode display transmission device
An oral occlusion mark image acquisition and dual-mode display transmission device comprises a handheld collector and a terminal controller, the handheld collector is in a thin and long column shape, the front end of the handheld collector is an acquisition end portion, the rear end of the handheld collector is a grab handle, an IDC flat cable connected with the terminal controller is integrated at the bottom of the grab handle, the acquisition end portion is provided with an acquisition module and an illumination module, and the illumination module is connected with the handheld collector. The illumination module comprises a dual-ring polarization illumination structure and a driving control module, the dual-ring polarization illumination structure is connected with the driving control module, and the output of the acquisition module is connected with the IDC flat cable; the terminal controller is provided with a touch screen and a display module, the IDC flat cable is connected with the display module, and the display module is connected with the touch screen. According to the utility model, the whole process optimization from image acquisition and processing to storage and display is realized.
Owner:HANSHAN NORMAL UNIV
Broadband dynamic force sensing device
ActiveCN224189414UAvoid band limitationsEMI suppressionMagnetic/electric field screeningMeasurement of force componentsElastomerRubber ring
The utility model discloses a broadband dynamic force sensing device, which comprises a main body assembly, and the main body assembly comprises a base, a rubber ring, a spring, a metal sheet, a piezoelectric ceramic sheet and a strain gauge. According to the utility model, the piezoelectric ceramic piece is adopted to sense the high-frequency-band dynamic force, the strain gauge is adopted to sense the low-frequency-band dynamic force, the piezoelectric ceramic piece and the strain gauge cooperate to acquire signals, the signals are processed by the signal fusion module to realize the coverage of the full-frequency-band dynamic force, and the frequency band limitation of a single sensing element is avoided; the shell and the inner shielding layer form a double-layer structure to suppress electromagnetic interference, the temperature sensor monitors in real time and compensates temperature influence through a circuit, the rubber ring absorbs external vibration through elastic deformation, interference caused by electromagnetism, temperature and vibration is reduced in a multi-dimensional mode, and signal stability is improved; an optimized elastic body structure is formed through the four beam arms on the outer side of the center column, stress distribution is more linear through design, cross interference between force / torque of all dimensions is reduced in combination with a signal processing algorithm, and the multi-dimensional measurement precision is improved.
Owner:BEIJING SHENZHOU XIANGYU TECH CO LTD
A concentration detection system for dissolved gas in transformer oil
The present invention relates to a concentration detection system for dissolved gas in transformer oil. The detection system comprises: an industrial computer, a signal generation module, a laser light source module, a six-core optical cable, a ceramic membrane tube, a microphone, a preamplifier module and a signal acquisition module; the gas molecules dissolved in the transformer oil enter the interior of the ceramic membrane tube through densely distributed micropores on the ceramic membrane tube, and the separated gas molecules absorb laser energy in the ceramic membrane tube to generate a photoacoustic effect to measure the gas concentration. The present invention adopts a ceramic membrane tube that integrates oil and gas separation and photoacoustic excitation functions, and the sensing system does not require an air pump and an air valve, which greatly simplifies the system structure.
Owner:STATE GRID CORPORATION OF CHINA +3
Infrared anti-interference device and method for sowing monitoring
PendingCN122283949Aavoid cross interferencereduce cross-interferenceMultiplexingInterference resistance
This invention provides an infrared beam anti-interference device and method for sowing monitoring, belonging to the field of agricultural sowing technology. The device includes a main control module, a pulse drive module, an infrared beam module, and a signal processing module. The main control module is electrically connected to the pulse drive module, the infrared beam module, and the signal processing module. The main control module is used to output timing control and high-frequency pulse signals, receive detection signals and determine the next sowing state, and simultaneously complete control processing including parameter configuration and timing synchronization. The pulse drive module is used to execute high-frequency pulse signals from the main control module and supports time-division multiplexing control. The infrared beam module is configured to use high-frequency pulse signals for signal transmission and reception and electrical signal conversion under the time-division multiplexing mechanism. The signal processing module is used to process the electrical signals into detection parameters that can be recognized by the main control module. The anti-interference method is based on the above-mentioned anti-interference device. This solution can significantly improve signal recognition accuracy and greatly reduce stray light interference.
Owner:XINJIANG ACADEMY OF AGRI & RECLAMATION SCI
Broadcast signal multiplexing method
ActiveCN119135323APrecisely control transmit powerImprove transmission efficiencyTransmission path multiple useWireless communicationFrequency spectrumTransmitted power
The invention relates to the technical field of broadcast signal multiplexing processing, and particularly discloses a broadcast signal multiplexing method, which specifically comprises the following steps: a broadcast signal processing device is used for receiving multiple broadcast signals from a broadcast tower, and pre-analysis is carried out according to a pre-analysis module embedded in the broadcast signal processing device; determining the required bandwidth amount and the priority of each path of broadcast signal; dynamically adjusting the intervals of the sub-channels corresponding to the broadcast signals; configuring a filter for a sub-channel corresponding to each path of broadcast signal, and detecting whether a signal interference condition exists in the broadcast signal processing device in real time according to a monitoring module embedded in the broadcast signal processing device; according to the invention, the transmitting power of each path of broadcast signal is accurately controlled, and the transmitting power of each path of broadcast signal is sent to the broadcast transmitter, so that the utilization of spectrum resources can be effectively optimized, the cross interference between the signals is reduced, the stable transmission of high-priority signals is ensured, and the transmission quality of the signals is improved through the configuration of the filter.
Owner:SUZHOU CHUYIJIE TECH CO LTD +2