50results about How to "Accurate reception" patented technology

The invention relates to the technical field of meteorological monitoring and lightning protection, and discloses a radio signal-based lightning protection detection method for a meteorological station, which comprises the following steps of: receiving electromagnetic wave signals generated by lightning discharge in real time through radio receiving equipment of a plurality of meteorological stations, and acquiring characteristic data of time, frequency and intensity of the signals; an effective light velocity model is adopted to correct the influence of the propagation velocity of the lightning signal in the atmosphere, and the effective propagation velocity of the lightning signal is calculated by considering the ionospheric and atmospheric refraction effects; the position of the lightning power supply is estimated by measuring the arrival time difference and the time difference of lightning signals received by different sites and utilizing the geometric positions of the multiple sites. The positioning precision of the lightning power supply is greatly improved by adopting the cooperative work of the radio receiving equipment of a plurality of meteorological stations and combining the technologies of accurate lightning signal propagation speed correction, time synchronization error correction, geometric precision optimization and the like.

The invention discloses a method for dynamically correcting off-axis aberration of a liquid mirror telescope, which comprises the following steps of: S1, adjusting a secondary mirror body to perform dynamic full-angle circular motion around the center of a primary mirror by using a secondary mirror rotating system, so that the secondary mirror body acquires an incident beam from any direction; s2, acquiring attitude information of the secondary mirror body, and adjusting the secondary mirror body according to the dynamically changeable off-axis angle based on a preset secondary mirror pose adjustment sub-method to compensate for low-order aberration; s3, the light beams of the distorted wavefront compensated by the secondary mirror are adjusted to be emitted in a determined direction in parallel and enter an adjustable beam expanding and shrinking mirror through two groups of plane reflection systems; s4, the light beam with the light spot size adjusted through the adjustable beam expanding and shrinking mirror is reflected to the magnetic liquid deformable mirror through the reflecting mirror; and S5, the magnetic liquid deformable mirror receives the reflected light beam and performs residual aberration correction. According to the method, the observation view field of the liquid mirror telescope can be effectively improved, the imaging quality is improved, and an aberration correction system is endowed with excellent flexibility and wide adaptability.

The invention discloses a modular stamping die capable of achieving automatic feeding and automatic receiving, relates to the technical field of stamping dies, and aims to solve the technical problem that continuous operation and accurate positioning of the stamping die are difficult to achieve at the same time. The punching mechanism, the intermittent discharging mechanism, the reciprocating driving mechanism and the continuous feeding mechanism are arranged on the punching base table, the material receiving box is arranged at the tail end of the punching base table, and the reciprocating driving mechanism drives the adjustable clamp set to achieve continuous and accurate feeding through the sliding conveying assembly and the sliding clamping assembly; and an adjustable clamp set is further designed, so that the adjustable clamp set has the function of accurately clamping the circular workpieces and the rectangular workpieces, the stamping precision can be guaranteed, meanwhile, rapid, accurate and continuous conveying and receiving of materials can be achieved, and therefore the production efficiency is greatly improved, the labor cost is reduced, and the product quality stability is improved.

The invention discloses a signal transmission method and device, a terminal, network side equipment and a readable storage medium, and belongs to the technical field of communication, and the signal transmission method comprises the steps that the terminal determines a first waveform type according to at least one of waveform indication information and terminal capability; the waveform indication information is used for indicating a target waveform type adopted by the network side equipment for sending the first signal, the terminal capability comprises a waveform detection capability, and the waveform detection capability is used for indicating a waveform detection type supported by the terminal; and the terminal detects the first signal according to the first waveform type.

The invention discloses an automatic loading and stacking integrated machine, comprising a primary conveying mechanism, a platform bracket, a uniform conveying mechanism, a multi-angle conveying mechanism and a stacking rotating mechanism; the primary conveying mechanism is installed at the upper end of the platform bracket and conveys materials to the uniform conveying mechanism, the uniform conveying mechanism is installed at the lower end of the platform bracket and moves along the platform bracket; the multi-angle conveying mechanism comprises a connecting bracket, a conveying sliding assembly, a rotating assembly, a swing arm assembly and a conveying assembly; the connecting bracket is connected to the uniform conveying mechanism and moves with the uniform conveying mechanism, and the connecting bracket is slidably connected to the platform bracket through the conveying sliding assembly; the conveying sliding assembly is connected to the rotating part of the rotating assembly, the rotating assembly is connected to the connecting bracket and rotates relative to the connecting bracket; the swing arm assembly is hinged to the connecting bracket and hinged to the horizontal assembly of the stacking rotating mechanism; the conveying assembly connects the swing arm assembly and the rotating assembly. The automation degree is high, the horizontal, vertical and placement angles are adjustable, and the efficiency is high.

The utility model belongs to the technical field of transformer corrugated sheet conveying and flanging compound machines, in particular to a transformer corrugated sheet conveying and flanging compound machine, which aims at the efficiency problem and adopts the following scheme that the transformer corrugated sheet conveying and flanging compound machine comprises a base; one side of the upper surface of the base is fixedly connected with an edge folding machine body; the other side of the upper surface of the base is fixedly connected with a welding machine body; a material collector is fixedly connected to the outer surface of one side of the welding machine body; and feeding mechanisms are arranged on the two sides of the base. And through the arrangement of the feeding mechanism, automatic feeding of the welding rods is achieved, the workload is relieved, and the working efficiency is improved.

The utility model relates to a hearing aid technical field, concretely relates to an ear hanging type hearing aid, include: a main part assembly for wearing at the head or neck of user, its end part setting has the host unit of built -in talk microphone, two ear hanging assemblies are connected to both ends of main part assembly respectively, and the ear hanging assembly is flexible arc structure, is used for around setting at the ear of user, two connecting assemblies are connected to an ear hanging assembly respectively, and at least one connecting assembly is equipped with hearing aid microphone, two receivers are connected to a connecting assembly respectively, and the receiver assembly is equipped with the ear -entering part to be used for putting into the ear canal of user. The ear hanging assembly is around setting on the ear, and the ear -entering part of receiver assembly cooperates to make the connecting assembly stably wear at the front side of ear of user, and hearing aid microphone can reliably receive the sound of the front and both sides of user, can also avoid the noise brought by the shaking or the friction, help the hearing aid accurate reception of external sound, improve the hearing aid effect.

The utility model relates to the technical field of mooncake conveying equipment, in particular to an anti-collision type multi-station rotary table conveying device for mooncake packaging, which comprises a rotary table. A driving mechanism for driving the turntable to rotate is arranged at the bottom of the turntable; a plurality of moon cake positioning mechanisms are arranged on the turntable at equal angles, and a conveying mechanism is arranged beside the turntable; the conveying mechanism comprises a supporting frame. A conveying belt is arranged on the supporting frame, and a plurality of spacing frames are arranged on the conveying belt at equal intervals; when the moon cakes fall off from the rotary table, the moon cakes can fall into the spacing frames on the conveying belt; the four inner edges of the spacing frame are polished, and the four inner edges of the spacing frame are wrapped with elastic materials. According to the mooncake conveying device, collision and damage of mooncakes in the conveying process are effectively avoided, and the integrity and packaging quality of the mooncakes are improved.

The present invention relates to the technical field of debugging of optical mechanical sensor components, and discloses a debugging device of an optical mechanical sensor component and a method of using the same, comprising a sensor fixing plate and a base, wherein an optical mechanical sensor debugging component is arranged on the sensor fixing plate, and the optical mechanical sensor debugging component is used to control multiple angles of the optical mechanical sensor, and an optical mechanical sensor debugging auxiliary component is arranged on the base, and the optical mechanical sensor debugging auxiliary component is used to assist in completing the debugging of the optical mechanical sensor component. The debugging device of the optical mechanical sensor component, the debugging device of the optical mechanical sensor component and the method of using the same, can clamp the optical mechanical sensor component by manually rotating a corresponding knob during use, and during the process, due to the deceleration property of a first worm and a first worm wheel, the movement of the final hook-shaped clamping block can have a large torque, which is sufficient to firmly fix the optical mechanical sensor component, and the clamping process is easy and effortless.

The invention belongs to the technical field of vehicle electric pneumatic control devices, and particularly relates to a vehicle electric pneumatic control device and method based on power line carrier communication. The vehicle electric pneumatic control device comprises a power source isolation conversion module connected with a voltage port, the power source isolation conversion module is connected with a power line carrier communication module and a CPU control module, and the power line carrier communication module is connected with the CPU control module; the CPU control module is further connected with an AD conversion module and an electromagnetic valve control module, the AD conversion module is connected with a sensor signal conditioning module, and the train pipe pressure sensor, the brake cylinder pressure sensor and the pre-control chamber pressure sensor are all connected with the sensor signal conditioning module. And the braking electromagnetic valve, the relieving electromagnetic valve and the slowing electromagnetic valve are all connected with the electromagnetic valve control module. The invention provides a vehicle electric pneumatic control device and method based on power line carrier communication.

The utility model relates to the technical field of spinning of daily necessities, and discloses a towel conveying mechanism of a full-automatic towel machine, which comprises a rack, a transmission shaft rotationally connected to the rack, a rotary driving part for driving the transmission shaft to rotate, a conveying component and a conveying workbench, the conveying assembly comprises a support, at least two lower belt wheels installed on the support, at least one upper belt wheel, a belt arranged on the upper belt wheel and the lower belt wheels in a sleeving mode, a swing arm hinged to the support, a swing driving piece driving the swing arm to swing and an adjusting wheel installed on the swing arm. The towel receiving device has the following advantages and effects that the effect of efficiently and accurately receiving cut semi-finished towels is achieved.

The utility model discloses a tunnel deformation monitoring system based on cloud analysis, which is characterized by comprising a total station, a sensor, a data acquisition unit, a cloud and a monitoring platform, and the total station and the sensor are both connected with the data acquisition unit; the data collector is connected with the cloud end, and the cloud end is connected with the monitoring platform; the total station and the sensor are used for collecting information and uploading the information to the data collector; the data collector is used for receiving information uploaded by the total station and the sensor and uploading the information to the cloud; the cloud is used for carrying out standardized processing, storage, analysis and scheduling on the information to obtain early warning information; the monitoring platform is used for displaying early warning information in real time. The problems that in the prior art, a tunnel deformation detection system often processes and resolves data and then uploads the data to the cloud, so that the data processing, storage and analysis efficiency is low, certain data loss and errors exist, and secondary processing reduces the detection accuracy are solved.

The present application discloses a method, device and system for testing an operating system integrating multiple chips, belonging to the field of chip testing technology. The method includes: receiving input data from a user in a running panel of a test script; the test script is used to test multiple different chips with at least partially identical functional instructions; selecting a target chip for testing according to the input data; using the test script to test the operating system of the target chip using a target command parameter set. The present application establishes the same test script for multiple different chips with at least partially identical functional instructions, tests different chips by changing input data and command parameters, and realizes integrated testing of multiple chips with a single test process. Different chips can also interact with each other, and different command parameters can be tested by modifying the value of the command parameter. There is no need to write code for each command parameter test, which reduces code redundancy and improves test efficiency.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.

The present invention provides a method for guiding an indoor person to an evacuation route using a portable device and a system therefor, the evacuation route guide system including: a portable device on which an evacuation guide application program for guiding an evacuation route from a current position of an indoor person to a shelter is installed and which is carried by the indoor person; and a server for providing a plurality of evacuation route information through the portable device, the portable device executing the evacuation guide application program to display an evacuation guide interface, the portable device displaying a photographed landscape image on an image display area of the evacuation guide interface and displaying one of the plurality of evacuation routes set based on specific information related to a disaster type, a user's movement ability, and individual circumstances on a map display area of the evacuation guide interface, and the portable device displaying guide information indicating a direction of movement from the current position on the image display area overlaid with the landscape image along the evacuation route displayed on the map display area.

The utility model provides an angle-adjustable television set top box. The angle-adjustable television set top box comprises a base, two groups of scissor type lifting connecting rods, a threaded screw rod and a set top box main body, two groups of scissor-type lifting connecting rods are distributed and mounted on two sides of the base, two connecting rods are distributed and connected to the front end and the rear end between the two groups of scissor-type lifting connecting rods, the threaded lead screw penetrates through the two connecting rods and is in threaded connection with the two connecting rods, and the two groups of scissor-type lifting connecting rods are jointly connected with a set top box main body. According to the utility model, the threaded screw rod is manually rotated clockwise or anticlockwise, so that the two groups of scissor-type lifting connecting rods can be driven to drive the set top box main body to ascend or descend, thereby adjusting the vertical position angle of the set top box main body; the set top box main body can be more accurately aligned with the signal emission area of the remote controller to receive the remote control signal, and the adjustment mode is convenient.

The invention discloses a data transmission method and device, related equipment and a storage medium, and the method comprises the steps that a first terminal receives first information issued by network equipment; wherein the first information is used for indicating at least two DMRS ports and / or at least two pieces of TCI state information; the at least two DMRS ports and / or the at least two pieces of TCI state information are / is used for receiving a first PDSCH scheduled by the first information.

The present invention provides an intelligent loudspeaker based on a positioning beacon, which relates to the field of a loudspeaker system and comprises: a following positioning module, comprising a positioning beacon arranged on an object to be followed, a main base station and a plurality of slave base stations arranged on the loudspeaker, and a positioning analysis unit; an information acquisition module, which is used to acquire real-time environmental information; a loudspeaker following module, which is used to determine a following path and following parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a historical relative position relationship between the positioning beacon and the main base station, and control a walking component to drive the loudspeaker to move; a loudspeaker adjustment module, which is used to determine real-time loudspeaker parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a following path, and control a posture adjustment component to adjust the posture of the loudspeaker and adjust the output volume of the loudspeaker. The loudspeaker has the advantages of realizing intelligent following of the loudspeaker based on the positioning beacon and improving user experience.

This invention provides a novel light field AR-HUD device integrating dual-focal-plane and triple-focal-plane displays. In this invention, light from three different virtual image distances is emitted from the same image source. The light from the farthest focal plane passes through an adjustable optical path device and is transmitted together with the light from the intermediate focal plane to a small freeform surface mirror. The light from the closest focal plane is emitted by the PGU and transmitted to the small freeform surface mirror. Then, the light from all three focal planes is projected onto a large freeform surface mirror and reflected by the car windshield into the driver's eyes, allowing the driver to simultaneously see images from three different distances. This invention uses a single PGU and, through its optical structure, can achieve switching between dual-focal-plane and triple-focal-plane light field AR-HUD displays, meeting the needs of more driving scenarios, resulting in more layered images and superior display effects, while avoiding a significant increase in cost, providing a new solution for the development of HUD technology.

The invention discloses a hypertensive cardiovascular risk hierarchical assessment system based on intelligent decision support, and relates to the technical field of hypertensive cardiovascular risk assessment, and the system comprises a data collection module which is used for collecting health data of a patient measured through multi-brand wearable equipment in a family environment, and sending the health data to a database; the health data comprises blood pressure, heart rate, activity amount and sleep quality. According to the hypertensive cardiovascular risk hierarchical evaluation system based on intelligent decision support, the problem that data formats of wearable devices of multiple brands are not uniform can be solved, and the technical scheme of accurate hierarchical evaluation of the hypertensive cardiovascular risk is realized in combination with the intelligent decision support system, so that the health management level of the hypertensive is improved; the risk of cardiovascular diseases is reduced.

The invention discloses a rural road crack detection device, and particularly relates to the technical field of road crack detection.The rural road crack detection device comprises a shell, a mounting plate is fixedly connected to the front end of the shell, a control box is fixedly mounted on the front portion of the left end of the shell, and a cleaning assembly is arranged on the front portion of an inner cavity of the shell; the lower end of the cleaning assembly and the rear portion of the right end of the shell are jointly provided with a laser measuring assembly. According to the rural road crack detection device disclosed by the invention, the hydraulic mechanism, the cleaning mechanism and the dust falling mechanism are arranged, so that large stones and dust on a rural road can be effectively cleaned, meanwhile, the dust falling amount is reduced, measurement errors caused by impurity interference can be effectively reduced, and the detection accuracy is improved. The precision and operation efficiency of the laser scanning technology are remarkably improved, accurate acquisition and recording of key data such as crack size, shape and distribution are ensured, and more reliable and detailed data support is provided for subsequent road condition evaluation, maintenance priority ranking and specific repair scheme formulation.

The embodiment of the invention discloses a partition scanning compensation circuit and a display panel. In the partition scanning compensation circuit, a detection switching circuit is connected with at least two scanning lines and is connected to a voltage division circuit through a detection sensing line, the detection switching circuit is used for communicating at least part of the scanning lines with the voltage division circuit in a non-display period, and the frequencies of scanning signals transmitted by the two scanning lines are different. The voltage division circuit carries out preset proportion voltage division on the voltage of a scanning signal transmitted on a scanning line and carries out level conversion to obtain a detection voltage division signal, and the signal conversion circuit converts the detection voltage division signal into a digital pulse width signal. The conversion sampling circuit is used for sampling the digital pulse width signal to form a digital sampling signal according to a sampling clock signal in a period corresponding to the scanning signal. The display panel comprises a partition scanning compensation circuit and a scanning driving circuit, and the scanning driving circuit is adjusted and compensated to output scanning signals with different frequencies according to sampling signals.

This utility model provides an indoor unit for an air conditioner, including a housing and a voice module. The housing has a support frame and a decorative panel disposed on the front side of the support frame. The decorative panel has a voice through hole, and the support frame has a clearance space corresponding to the position of the voice through hole. Because the sound receiving hole or sound output hole of the voice module is correspondingly arranged with the voice through hole, and the voice module is fixedly mounted on the decorative panel, and the clearance space is provided within the support frame, the voice module is located within the clearance space. Therefore, the voice module will move synchronously with the decorative panel and will not be blocked by the support frame. Even if thermal expansion and contraction cause unevenness between the support frame and the decorative panel, the sound receiving hole or sound output hole of the voice module can still be aligned with the voice through hole, achieving accurate sound reception or accurate sound output. This avoids situations where the voice control effect is poor or unable to achieve voice control, thereby achieving a better voice control effect.

The present invention relates to the field of automatic control technology, and in particular, to an automatic tracking and alignment system based on mobile AGV laser communication. It comprises: a laser emitting unit uses pulse position modulation to encode laser signals, and transmits the encoded laser signals to a laser receiving unit; the laser receiving unit receives and decodes the laser signals; an alignment detection unit uses a sensor to monitor the alignment state between the laser transmitter and the receiver in real time, and obtains an alignment error vector; a control unit uses a fuzzy adaptive PID control algorithm based on the alignment error vector to calculate the alignment deviation, and generates an alignment deviation instruction; a mechanical adjustment device automatically adjusts the transmitter position and the receiver position according to the alignment deviation instruction. The automatic tracking and alignment system based on mobile AGV laser communication realizes efficient laser communication by adopting pulse position modulation and time interval measurement technology, and automatically adjusts the alignment angle between the transmitter and the receiver in combination with the fuzzy adaptive PID control algorithm.

Embodiments of the present application provide a signal processing method, a computer readable storage medium, an electronic device and a computer program product, wherein the method comprises: a radio unit RU receiving first configuration information for sensing reference signal reception sent by a distribution unit DU; and receiving the sensing reference signal according to the first configuration information. Thus, the problem of how to enable multiple radio units RUs to perform cooperative sensing in the related art can be at least solved. The RU performs sensing reference signal reception based on the configuration of the DU, which can ensure that the RU accurately and cooperatively receives the sensing signal, and provides a reliable data basis for subsequent signal processing and analysis.

The utility model discloses a kind of intelligent dimming control device based on human body response, by adopting double pyroelectric infrared sensor, each is equipped with independent fresnel lens, both can be arranged in different positions or angle cooperative work, can cover more wide space area, effectively reduce detection blind area, independent fresnel lens can be designed according to sensor position and detection demand pertinence, adjust focal length, viewing angle and the like parameter, make sensor accurate receiving human infrared radiation, optimize for different direction and distance human activity, improve detection sensitivity and accuracy, whether there is human existence according to whether the signal strength output by human body response module exceeds the set threshold value by microcontroller module, this kind of judgment based on signal strength is more accurate, LED load module receives the electric energy and PWM signal of dimming drive module, according to the duty ratio change luminous brightness of PWM signal, can realize the smooth and accurate regulation of LED light brightness, provide more intelligent, comfortable lighting experience for user.

The utility model relates to the technical field of medical instruments, and discloses a drainage liquid real-time monitoring and early warning device based on a near infrared spectrum technology, which comprises a shell used for being fixed on a drainage tube and adopting a telescopic structure; the light source emitting module is arranged on the shell and used for emitting near-infrared light to the drainage liquid in the drainage tube; the photoelectric detection module is arranged on the shell, is opposite to the light source emitting module and is used for detecting an optical signal of the near-infrared light after passing through the drainage liquid; the relative distance between the light source emitting module and the photoelectric detection module is adjusted through a telescopic structure; and the control module is electrically connected with the light source emission module and the photoelectric detection module, and is used for receiving the light signal and triggering an early warning signal when the light signal is abnormal. The device can monitor the concentration and quality of liquid components in drainage liquid in real time, automatically monitor the state of the drainage liquid and automatically give an early warning when the drainage liquid is abnormal, so that the problem of careless omission caused by manual monitoring is avoided.

The application relates to a multi-channel LED dimming centralized independent control device, which comprises an LED1, an LED2, a centralized independent control module and the like; a dimming input voltage Vin is connected with the anode of the LED1 and the LED2, the first end of capacitors C1-C2 and the cathode of voltage stabilizing tubes D1-D2; the second end of the capacitor C1 is connected with the cathode of the LED1 and the first end of an inductor L1, the second end of the inductor L1 is connected with the anode of the voltage stabilizing tube D1 and the first pole of a switch tube SW1, the second pole of the switch tube SW1 is connected with the first end of a resistor R1 and the first input end of the centralized independent control module, and the control pole of the switch tube SW1 is connected with the first output end of the centralized independent control module; the centralized independent control module can realize centralized dimming control for the LED1 and the LED2.

The invention belongs to the field of cable accessory assembly, and discloses an auxiliary system and method for a high-voltage cable accessory assembly preprocessing process, and the system obtains an on-site cable construction state in real time through an assembly state detection information obtaining unit, matches offline data through combining with a base body posture estimation unit, and outputs a next operation prompt. The requirements of construction personnel for frequently checking construction standards and obtaining operation step information are reduced, the augmented reality scene construction unit can construct a cable three-dimensional model on site, accurate detection of a preprocessing process is realized, a detection result prompt is output in time, and the accuracy of each step of operation is further ensured; and the operation step prompting unit guides an operator to execute in sequence according to the prompting information until the preprocessing process is finished, so that the problem of inconsistent construction quality caused by the technical capability difference of the operator is effectively avoided, and the construction efficiency and the construction quality of the preprocessing process of the high-voltage cable accessory are greatly improved.

The present invention discloses an experimental device and an experimental process for observing the movement of particles in the sand liquefaction process, including a seismic isolation bracket, a model box slidably connected to the top of the seismic isolation bracket, a servo system installed on one side of the model box along the sliding direction, an acceleration sensor installed on the other side, a plurality of laser transmitters are arranged in front of the acceleration sensor, the laser transmitter is coaxially installed with the servo system, a camera is arranged in a direction perpendicular to the sliding direction, the camera is placed directly behind the light plane, an image correction point is also installed on the side of the model box, and a light intensity monitor is installed on the inner wall of the model box. The present invention uses a high-speed camera to intuitively record the reaction of the sand in the test, can accurately locate the position of the particles, describe the movement of the particles in the test process, and by iteratively processing the image, can determine the position of the particles at each moment, which is convenient for studying the movement process and results of the particles in the sand dynamic load liquefaction process.