43results about How to "Improve reception performance" patented technology

The invention discloses a conduction integrated signal design method and device based on artificial intelligence, and relates to the field of signal processing, and the method comprises the steps: obtaining the frequency spectrum state data of a current electromagnetic environment and the receiving performance data of a broadcasted conduction integrated signal in real time; judging whether the deviation between the current frequency spectrum state data and the frequency spectrum state data obtained at the previous obtaining moment is greater than a preset state deviation threshold value or not and whether the receiving performance data is within a preset performance requirement range or not; if the deviation is not greater than the threshold value and the receiving performance data is within the range, generating a conduction integrated signal by using the current integrated signal parameter; and if the deviation is greater than a threshold value or the receiving performance data is not within the range, determining a conduction integrated signal model, updating integrated signal parameters by using a pre-trained Q value model, and generating a conduction integrated signal by using the updated parameters. According to the invention, it can be ensured that the generated conduction integrated signal is always adaptive to the current electromagnetic environment and has good receiving performance.

The invention discloses a multi-reflection cavity enhanced Raman system and a use method. The multi-reflection cavity enhanced Raman system comprises a concave mirror, a converging lens and an optical fiber bundle, the optical fiber bundle comprises a plurality of optical fibers which are horizontally arranged, a converging lens, a parallel lens, a reaction part and a concave mirror are distributed at the input end of each optical fiber, and a first lens and a first retroreflector as well as a second lens and a second retroreflector are arranged at the two ends of the reaction part. Then the laser signal reacts with the to-be-detected gas to generate a Raman signal, a part of the Raman signal is reflected by the concave mirror, and then the Raman signal is converged in the optical fiber by the converging lens and the parallel lens to be received; raman signals excited on the horizontal plane are matched with the horizontally arranged optical fibers, so that the receiving effect is good; the intensity of the laser signal at the reaction position is high, so that the intensity of the generated Raman signal is high. Therefore, the design has a relatively good receiving effect on the Raman signal, and the intensity of the received Raman signal is relatively high.

The invention discloses double-shaft linkage type photovoltaic power generation equipment, and relates to the technical field of photovoltaic power generation, the double-shaft linkage type photovoltaic power generation equipment comprises a base, a telescopic rod is fixedly connected to the side of the upper surface of the base, an adjusting frame is hinged to the top end of the telescopic rod, a placement frame is connected to the upper side of the adjusting frame in a nested manner, and a photovoltaic panel is arranged on the inner side of the placement frame; the pull rod is hinged to the side of the lower surface of the containing frame. According to the double-shaft linkage type photovoltaic power generation equipment, a first motor is started, the first motor drives a first gear to rotate and synchronously drives a first toothed plate to move, when the first toothed plate moves, a sliding block can conduct limiting movement along a sliding groove, and therefore the moving stability of the first toothed plate is improved; when the photovoltaic panel rotates, the angle of the photovoltaic panel can be changed synchronously, the placing frame is pulled to rotate back and forth along the adjusting frame, at the moment, the adjusting frame drives the photovoltaic panel to deflect synchronously, and therefore the receiving effect of the photovoltaic panel on illumination is further improved.

The present application is a divisional application of Chinese application 201980001584.5. The present disclosure discloses a random access message transmission method, belonging to the technical field of wireless communication. The method comprises: configuring a terminal with a specified power difference interval; receiving a first random access message sent by the terminal according to a first transmission power, wherein the first transmission power comprises a first power of the first random access message in a physical random access channel (PRACH) and a second power of the first random access message in a physical uplink shared channel (PUSCH), and a power difference between the first power and the second power is within the specified power difference interval. Avoiding the case that the result deviation is large when the base station compensates the reception power of the PUSCH in the MsgA according to the reception of the PRACH in the MsgA, and improving the reception performance of the base station on the PUSCH in the MsgA.

The invention discloses a method and an apparatus in a node used for wireless communication. A first receiver that receives a first information block that configures at least one symbol as downlink; a second information block is received, and whether a symbol configured to be downlink by the first information block is a first type symbol or not depends on the second information block; receiving a first signaling, wherein the first signaling indicates a first RS resource set; receiving a first RS and a second RS in the first symbol group and the second symbol group, respectively; wherein the first RS and the second RS are both transmitted in the first RS resource set; whether the ports with the same port index of the first RS and the second RS are the same ports or not depends on the second information block. According to the invention, the reliability and accuracy of measurement are ensured, and the system performance is optimized.

The utility model provides a carrier aggregation circuit and an intelligent terminal, and the circuit comprises an antenna module which is used for receiving a plurality of frequency band signals; the first resonance circuit module is used for passing a preset frequency band signal corresponding to the first resonance circuit module; the first end of the second resonance circuit module is directly connected with the first end of the first resonance circuit module and is connected to the antenna module; the second resonance circuit module is used for passing through a preset frequency band signal corresponding to the second resonance circuit module; and the signal receiving and transmitting module is connected with the second end of the first resonance circuit module and the second end of the second resonance circuit module, and the signal receiving and transmitting module is used for demodulating the multiple frequency band signals. The circuit is used for achieving the effect of reducing the circuit cost.

The invention discloses a multi-level spraying device for composite planting of soybean and corn, which relates to the technical field of agricultural machinery, including a spraying vehicle body, on which a first spraying component for spraying corn plants and a second spraying component for spraying soybean plants are arranged; the first spraying component includes a flip frame rotatably connected to the front end of the spraying vehicle body, and a motor is fixedly installed on the top of the spraying vehicle body. The invention controls the motor to work, drives the flip frame to rotate, so that the flip frame is tilted, so that the spraying area of ​​the first spraying component is pushed forward, and keeps a relatively long distance from the cab, while the spraying rod is always vertically downward under the action of the transmission component, and a plurality of first nozzles are installed on the axial direction of the spraying rod, which can realize multi-level spraying of corn plants at different heights during operation, thereby avoiding the situation that the medicine can only be gathered at the upper end of the plant, and improving the spraying effect of the medicine.

The invention discloses a multi-cluster air computing method and system based on a deep expansion graph neural network, and belongs to the technical field of air computing in a wireless network, and the method comprises the steps: firstly, defining an aggregation center node, a wireless device node and an edge for connecting the two nodes in a heterogeneous graph neural network; secondly, a multi-cluster control calculation optimization problem needing to be solved is decomposed into a neural network solving module of an unfolded structure; secondly, designing a feature extraction and feature embedding method in a neural network solving module; secondly, designing a heterogeneous graph neural network encoder to aggregate the features, and mapping the aggregated features into variables needing to be optimized through a designed multi-layer perceptron decoder; and finally, designing a parameter sharing strategy of the whole network and a learning method of the neural network, and training the neural network to obtain a universal model. The scheme provided by the invention is superior to an existing optimization scheme in the aspect of calculation rate, the solving speed is greatly improved, and the method has very strong generalization ability.

The present invention discloses a Zhuangyi Linggui Qiaowu prescription for relieving vascular dementia and a preparation method thereof. The Zhuangyi Linggui Qiaowu prescription is made of a main drug, a supplementary drug and a secondary drug: the raw materials of the main drug include: ganoderma lucidum, angelica vine and centipede; the raw materials of the supplementary drug include: notoginseng, salvia miltiorrhiza, chuanxiong and calamus; the raw materials of the secondary drug include: polygala tenuifolia and arisaema cuneata. The Zhuangyi Linggui Qiaowu prescription obtained by the method of the present invention has the functions of improving cognitive impairment related to hippocampus, reducing neuronal damage in the hippocampus of the brain, and enhancing the short-term memory function of the hippocampus of the brain, thereby relieving vascular dementia caused by various cerebrovascular diseases.

The invention relates to an IQ imbalance estimation value obtaining method based on single-tone detection, and the method comprises the steps: receiving a fixed-frequency single-tone signal through a zero-intermediate-frequency receiver, and obtaining the basic parameters of the fixed-frequency single-tone signal; performing first processing on the fixed-frequency single-tone signal to obtain a corresponding digital baseband single-tone signal; performing second processing on the digital baseband single-tone signal to obtain the digital baseband single-tone signal after compensation of the received direct current bias; performing truncation processing on the digital baseband single-tone signal after compensation of the received direct current bias to obtain a truncated digital baseband single-tone signal; and obtaining I-path and Q-path frequency domain signals of the truncated digital baseband single-tone signal according to the truncated digital baseband single-tone signal, and obtaining an IQ phase imbalance estimated value and an IQ amplitude imbalance estimated value according to the I-path and Q-path frequency domain signals. The method provided by the invention solves the problems of low accuracy and high complexity of the IQ imbalance estimation value in the prior art.

This disclosure relates to a communication method, communication device, communication system, storage medium, and program product. The method is executed by a terminal and includes: sending first information to a network device, wherein the first information indicates a set of capabilities satisfying the first condition, and the set of capabilities is related to the terminal's PDCCH reception. The solution of this disclosure can enhance the performance of PDCCH reception in a communication system.

The utility model provides a portable wireless signal detection device, which relates to the technical field of detection devices and comprises a supporting mechanism, and a machine body mechanism is movably inserted into the inner surface wall of the supporting mechanism. According to the utility model, under the mutual cooperation of the supporting mechanism and the machine body mechanism, the detection device can be horizontally placed at different inclination angles, so that the hands of a user are liberated, the user can more conveniently operate and adjust the detection device, and the user can optimize the signal receiving effect through fine adjustment of the inclination angle of the detection device; according to the invention, the detection device can capture clearer and more stable wireless signals, and can also realize 360-degree horizontal rotation, so that an omnibearing signal detection capability is provided for a user, signal detection requirements in different directions are met, and no important signal is missed.

Embodiments of the disclosure provide a data receiving circuit, a data receiving system and a storage apparatus. The data receiving circuit includes: a first amplification module, configured to receive a data signal, a first reference signal and a second reference signal, perform first comparison on the data signal and the first reference signal to output a first signal pair, and perform second comparison on the data signal and the second reference signal to output a second signal pair; a decision equalization enable module, configured to receive an enable signal and a feedback signal, and output a control signal, where the enable signal has a first level value period, a level value of the control signal varies with a level value of the feedback signal, the enable signal has a second level value period, and the level value of the control signal is a fixed value; and a second amplification module, configured to receive the first signal pair or the second signal pair based on the control signal, and output a first output signal and a second output signal. According to the embodiments of the disclosure, the power consumption of the data receiving circuit can be at least reduced while the receiving performance of the data receiving circuit is improved.

A passive positioning unmanned aerial vehicle detection device based on multi-band detection comprises a base station, and the base station comprises a shell; a signal processing module, a data storage module and a multi-band multi-mode detection receiving module are arranged in the shell; the side edge of the shell is provided with a display; the outer side of the shell is also connected with a solar cell; the signal processing module is respectively connected with the solar cell, the data storage module, the display and the multi-band multi-mode detection receiving module; the multi-band multi-mode detection receiving module comprises a 2.4 GHz frequency band receiving module, a 5.8 GHz frequency band receiving module, a Bluetooth frequency band receiving module and a multi-mode detection module; a heat dissipation opening is formed in the side edge of the shell; and a rain shielding frame body is arranged on the heat dissipation opening of the shell. By adopting the multi-band multi-mode detection receiving module, the applicability and the receiving capability of a base station in a complex environment are greatly enhanced, and the risks of false alarm and missing alarm are reduced.

The present application discloses a radio frequency control method, device and electronic device, belonging to the field of communication technology. The method is applied to an electronic device, which includes a first radio frequency path and a second radio frequency path. The method includes: when the first radio frequency path and the second radio frequency path are working simultaneously, obtaining parameter information of the first radio frequency path and parameter information of the second radio frequency path; wherein the parameter information of the first radio frequency path includes the first transmission frequency of the first radio frequency path, the channel and bandwidth corresponding to the first transmission frequency, and the parameter information of the second radio frequency path includes the second transmission frequency of the second radio frequency path, the channel and bandwidth corresponding to the second transmission frequency; when the harmonic signal in the radio frequency signal transmitted based on the first transmission frequency is located in the channel corresponding to the second transmission frequency, a first adjustment request is sent to the base station for the base station to increase the bandwidth corresponding to the second transmission frequency.

This application provides a positioning antenna, relating to the field of positioning technology, including a circuit board and a motherboard. Multiple antennas, all omnidirectional, are mounted on the circuit board and connected to the motherboard. The antennas are positioned perpendicular to the circuit board, with their vertical height being one-quarter of the UWB center frequency. This omnidirectional antenna configuration enables 360-degree omnidirectional signal reception. Furthermore, by setting the antenna's vertical height (H) to one-quarter of the UWB center frequency, the positioning antenna achieves optimal reflection characteristics and impedance matching, improving its radiation efficiency and reception performance. It also enhances the antenna's anti-interference capability, thus improving its overall performance. This application further separates the antenna from the motherboard via the circuit board, enabling a modular design and compatibility with various motherboards for application in diverse scenarios.

An operation method of an apparatus in a wireless communication system and an apparatus using the same are provided. The method includes: receiving operation information from a base station, the operation information indicating which one of a half-duplex (HD) operation and a full-duplex (FD) operation is performed by a terminal with respect to a specific time resource; and performing, by the terminal, any one of an HD operation and an FD operation on the specific time resource based on the operation information.

The utility model relates to the technical field of antennas, and discloses a planar ultra-wideband antenna which comprises a telescopic rod, a threaded head is fixedly arranged at the upper end of the telescopic rod, and a cross groove is formed in the upper end of the threaded head. A first double-plane type ultra-wideband antenna body and a second double-plane type ultra-wideband antenna body are arranged in the cross groove in a crossed mode, and the upper end of the threaded head is sleeved with an inner threaded cover in a threaded mode. According to the planar ultra-wideband antenna, through the structural design, the planar ultra-wideband antenna has the advantages of being convenient to disassemble, adjustable in height, enhanced in performance and the like, is suitable for the fields of various wireless communication devices, radar systems, electronic countermeasure devices and the like, and has wide application prospects.

The invention belongs to the technical field of communication, and provides a ground electrode current field optimal receiving system, which comprises a rough detection module used for roughly detecting the directivity of a ground electric field signal and a power frequency interference signal based on a designed orthogonal L-shaped electrode array; and the fine detection module is used for accurately measuring the directivity of the ground electric field signal and the power frequency interference signal based on a semicircular array structure formed by a plurality of L-shaped electrodes, and selecting an optimal receiving channel in combination with a principle of an optimal signal to interference plus noise ratio. Based on the semicircular array structure formed by the orthogonal L-shaped electrode array and the plurality of L-shaped electrodes, the directivity of a ground electric field signal and a power frequency interference signal is measured, and the optimal receiving channel is selected by combining the principle of the optimal signal to interference plus noise ratio, so that the receiving performance of an electric signal in a through-the-earth communication environment is improved; compared with a traditional detection electrode which is arranged randomly, the detection electrode has better anti-interference capability.

The invention belongs to the technical field of molten salt heat absorbers, and discloses a tower type molten salt heat absorber which comprises a container body and a supporting assembly, and a curved bar is fixedly connected to the bottom face of the container body. The outer surface of the container body rotates at a constant speed to make contact with solar radiation light on one side in the rotating process, uniform heat absorption is achieved, meanwhile, an adjusting assembly at the top of a rotating assembly is matched, a gear in the adjusting assembly is engaged with a gear arc plate in an adaptive frame, and therefore under rotating control, the gear arc plate deflects in the adaptive frame, and the solar radiation light is emitted. The container body swings at an angle in a vertical plane through the curved bars, the orientation of the outer surface of the container body is changed, the container body adapts to deflected solar reflected light, sufficient reflected light coverage is achieved, sufficient light absorption is achieved through adjustment under the condition that the sun moves, the actual heat absorption efficiency is improved, and the service life of the container body is prolonged. The total amount of unit heat absorption and storage heat energy is increased, and the actual fused salt heat absorption effect is good.

The invention relates to an antenna control method, an antenna control device, electronic equipment and a storage medium. The antenna control method comprises the following steps: determining a target antenna arranged on equipment; determining a target working parameter of the target antenna according to the transmit-receive performance influence parameter of the target antenna; and controlling the target antenna according to the target working parameter so as to improve the transceiving performance of the equipment. Thus, the transmitting performance and the receiving performance of the target antenna can be improved simultaneously, the transmitting and receiving performance of the device is improved, normal communication of the device is ensured, and the user experience is improved.

The present application relates to the technical field of wavelength division multiplexing, and in particular to an intelligent adjustment method and device for integrated wavelength division multiplexing equipment. The present application first determines the optimal input and output optical power target values ​​through theoretical calculations, and then realizes closed-loop adjustment by combining the monitoring system constructed by MEMS optical switches and spectrum analyzers; specifically, the single-wave power is calculated by the "maximum output optical power-channel number conversion" method, and the input target value is inferred based on the optical amplifier gain, while considering the transmission distance to set the input threshold of the power amplifier, and finally adopts bidirectional intelligent adjustment to dynamically optimize the system performance; combining theoretical calculations, real-time monitoring and automatic adjustment, not only the precise control of the input optical power of each channel is realized, and the gain of each channel output by the optical amplifier module is ensured to be flat, but also the consistency of power between channels is continuously maintained through real-time monitoring and automatic adjustment mechanisms, thereby improving the signal reception quality.

The utility model discloses a conformal antenna, which belongs to the technical field of microwave communication, and comprises at least two dielectric layers, a feed pin and conducting layers, the conducting layers are arranged on the upper surface and the lower surface of each dielectric layer, the conducting layers between two adjacent dielectric layers are tightly connected into a whole, the uppermost dielectric layer is provided with a through hole, and the feed pin is arranged in the through hole. The other dielectric layers are provided with side metalized via holes, one end of the feed pin is connected with the conductive layer of the uppermost dielectric layer, the other end of the feed pin sequentially penetrates through the through hole and the side metalized via holes and extends out of the lowermost dielectric layer, orthographic projections of the dielectric layers are overlapped, and the feed pin is connected with the conductive layer of the lowermost dielectric layer. Reamed holes are formed in the conductive layer on the periphery of the metalized via holes in the side edge of the dielectric layer and are formed in the conductive layer on the upper surface of the dielectric layer. According to the utility model, the space utilization rate of the antenna is improved, the maximum effective volume of the antenna is obtained, the gain and bandwidth of the antenna are improved, and signals of two frequency bands can be output through the same port.

The application belongs to the technical field of blood glucose detection, and discloses a non-invasive near-infrared blood glucose detection device, which comprises a laser light source module and sequentially connected germanium single photon avalanche diode modules, a signal amplification module, a data processing module and a display module; the germanium single photon avalanche diode module comprises a silicon substrate, a distributed Bragg reflector, an N-type silicon electrode layer, an avalanche multiplication layer, a P-type silicon charge regulation layer, an intrinsic germanium absorption layer and a P-type germanium electrode layer which are sequentially stacked. The application can improve the effective absorption rate of the optical signal in the germanium single photon avalanche diode module, improve the responsivity, sensitivity and accuracy of the device, and effectively improve the signal-to-noise ratio.

The embodiment of the invention provides a winding type electrode body and a battery with the same. The positive active material layer includes a positive active material ternary material. The negative electrode active material includes a silicon carbon material. In the first direction Z, the first surface of the positive current collector faces the winding center of the wound electrode body, and the second surface is away from the winding center. Along a second direction X perpendicular to the first direction Z, the first surface is provided with a first paste coating area and a first empty foil area positioned at the tail part of the positive electrode current collector. The positive electrode active material layer comprises a first positive electrode active material layer and a second positive electrode active material layer which are respectively positioned in the first paste area and the second paste area, and the surface density of the first positive electrode active material layer is smaller than that of the second positive electrode active material layer at least in the bending part. First termination glue is arranged on at least part of the first empty foil area, the distance between the first side edge, close to the first positive electrode active material layer, of the first termination glue and the edge, opposite to the first termination glue, of the first positive electrode active material layer is d1, and d1 is larger than or equal to 0.

The utility model relates to television accessories technical field discloses folding satellite TV high frequency head storage structure, including storage cylinder, high frequency connector, the high frequency connector rotates and connects the bottom outer wall of storage cylinder through bearing, the top inner wall of high frequency connector is fixedly connected with signal line, signal line is fixedly connected in the bottom inner wall of signal extension frame away from one end of high frequency connector, be provided with storage mechanism on the storage cylinder, be provided with auxiliary mechanism on high frequency connector, the storage mechanism includes T type groove, T type groove sets up in the left side inner wall of storage cylinder, the inner wall sliding connection of T type groove has T type frame. In the utility model, through the linkage design of telescopic spring, T type groove and threaded rod, realize the automatic reset and accurate folding storage of signal frame and signal extension frame, cooperate with the affixed limit of soft board, effectively avoid the high frequency head internal component to shake and crash in the carrying process.

The invention provides an AGC method and device of a receiving link, electronic equipment, a chip and a storage medium, and relates to the field of communication, and the method comprises the steps: obtaining the first power of a radio frequency signal received by the receiving link at a first time unit and the second power of a radio frequency signal received by the receiving link at a second time unit; determining a second gain index of the receiving link in the first time unit according to a size relationship between the first power and the second power and a first gain index of the receiving link in the second time unit; wherein the first gain index is used for indicating gain configuration adopted by the receiving link during AGC in the second time unit; and performing AGC on the receiving link based on the gain configuration indicated by the second gain index. Therefore, not only can the stability and quality of the received radio frequency signal be improved, but also the receiving performance can be improved.

The utility model discloses a mobile filter device for waterborne epoxy resin belongs to waterborne epoxy resin production technical field. A mobile filter device for waterborne epoxy resin, including filter main part and mobile seat, the inside installation of filter main part has filter drum, and the one side of filter main part is provided with diaphragm pump, and the both sides of mobile seat are hinged and are connected with photovoltaic board, and the inside of mobile seat is provided with battery. The utility model solves the problem that the existing filter device is limited by environment, is not favorable to moving, and the adaptability is not good, the utility model moves through universal wheel drive filter main part and diaphragm pump, and the power supply of servo motor and diaphragm pump is given through battery, provides power supply and carries out filtering work, adapts to temporary outdoor work, installs timer and adjusts stepping motor, adapts to sunshine position, improves the receiving effect of photovoltaic board, and photovoltaic board stores into battery through converter with the converted electric energy, to improve the use effect.

The present invention discloses a positioning photoelectric detector, a detection system, a touch screen, a detection method and an application. The touch screen includes a touch screen body and a positioning detection system for the touch screen body. The positioning detection system includes two groups of photoelectric detectors, and the photoelectric detector includes an optical imaging system for collecting touch surface image information, a light scanning mechanism that can emit light to scan the touch surface, a range positioning unit that can form a light spot, and an information processing module that receives information collected from the optical imaging system and controls the working state of the optical imaging system. The present invention reduces the installation error, thereby reducing the error between the actual installation position of the range positioning unit and the P1 of the touch screen itself, thereby improving the installation accuracy; and the present invention is not limited to the size of the touch screen, and is not affected by the assembly accuracy and processing accuracy, so that a touch positioning characteristic with higher positioning accuracy can be obtained.

This invention provides a BTM enhanced antenna unit, including a first filtering circuit, a power supply and triggering circuit, a logic control unit, and a signal acquisition and decision circuit. The first filtering circuit is disposed between the power transmission loop of the antenna and the BTM, and is used to reduce harmonic radiation of the power transmission loop. One end of the power supply and triggering circuit is connected to the power receiving loop, and the other end is connected to the logic control unit, used to regulate the electrical signal on the BTM cable and output a trigger signal to the logic control unit. The signal acquisition and decision circuit is used to acquire the A4 interface signal, make a decision on the A4 interface signal, and output the decision result to the logic control unit. The logic control unit is used to control the acquisition and transmission of the A4 interface signal according to the trigger signal and the decision result. The BTM antenna unit of this invention has an energy judgment function, which improves the reliability of the BTM antenna, reduces the harmonic radiation of the BTM signal, and improves the compatibility between the antenna unit and the BTM.