98 results about "Transmission response" patented technology

The invention relates to the technical field of power equipment state monitoring, in particular to a lightning arrester state monitoring method, system and equipment based on multi-physics field coupling and a storage medium. Acquiring current-voltage characteristic parameters, temperature distribution data and mechanical stress data of the lightning arrester, performing electro-thermal-mechanical coupling analysis based on multi-physical field monitoring data, identifying overlapping positions of an electric field distortion area, a temperature abnormal area and a stress concentration area, and determining the overlapping positions as a degradation key area; establishing a correlation response relationship between the leakage current and the temperature and a transfer response relationship between the temperature and the mechanical stress for the deteriorated key area; on the basis of the leakage current change trend of the degradation key area and the coupling influence of the superimposed temperature field and stress field, a degradation feature fusion factor is constructed, the evolution law of the degradation feature fusion factor in the time sequence is analyzed, and the degradation threshold value under the multi-field synergistic effect is determined in combination with the electric-thermal coupling acceleration effect and the thermal-mechanical coupling weakening effect.

The invention relates to the technical field of high-frequency signal transmission, and discloses a high-frequency signal transmission optimization method for a radio frequency coaxial connector. The method comprises the following steps: acquiring an original electromagnetic parameter sequence when a high-frequency signal is transmitted in a target working frequency band in real time, wherein the original electromagnetic parameter sequence comprises an impedance change value, a dielectric loss factor and a conductor skin depth measurement value; layered feature analysis is carried out on the data, features of a basic transmission layer, an interface reflection layer and a medium coupling layer are separated out, and a layered electromagnetic feature set is generated; identifying a key performance influence section according to the set, constructing a non-uniform frequency domain analysis grid, dividing a reflection sensitive area by using a fine frequency band, and dividing a transmission stable area by using a wide frequency band; performing time-frequency joint simulation based on the grid, and extracting a full-band dynamic transmission response spectrum; and combining with the material electromagnetic property database to optimize the structure parameter configuration scheme, generating an optimization instruction set, and loading the optimization instruction set to a processing control system to execute physical structure dynamic adjustment operation.

The invention provides a fusing processing method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The method comprises the steps of performing current limiting on a system request based on a filter to obtain a target request; determining whether to trigger the fusing condition of the target service based on the real-time operation data of the target service corresponding to the target request and the fusing judgment rule; in response to the fact that the target service is the first service and a fusing condition of the first service is triggered, performing fusing operation on the first service; the first service is used for message transmission; in response to the fact that the target service is the second service and a fusing condition of the second service is triggered, performing degradation operation on the second service; the second service is used for data caching, and the type of the degradation operation is determined based on the dependency of the target request on the second service. According to the invention, intelligent degradation fusing processing can be realized, so that system overload and single-point fault diffusion can be effectively prevented.

The invention provides an underground structure boundary identification method and system based on distributed optical fiber sensing, and relates to the technical field of underground structure detection and boundary identification. The method comprises the following steps: firstly, arranging a sensing array in a to-be-detected area, establishing a channel corresponding to a space coordinate, and collecting a non-excitation base line; medium and noise are estimated through low-energy probe, excitation frequency band, energy and repetition rate are optimized, and the signals are emitted by an adaptive seismic source; reflection and transmission responses are synchronously collected under the unified time reference; performing wavelet denoising, temperature and dispersion compensation and time alignment on the data, and extracting amplitude, phase and frequency characteristics; gradient is calculated on the feature field, non-maximum suppression is carried out, and stable boundary points are obtained by adopting self-adaptive double thresholds based on local statistics and combining time continuity and space connectivity constraints; a two-dimensional section is obtained through spline fitting, a three-dimensional model is reconstructed under the constraint of multi-section consistency, a section map and the three-dimensional model are output, and high-precision, real-time and visual detection of small-size boundaries is achieved.

The invention is suitable for the technical field of illumination, and provides a near-illumination lamp illumination method, device and system and a near-illumination lamp, and the method comprises the steps: obtaining an original light field image, which is collected by imaging equipment and comprises an array composed of a plurality of independently addressable and brightness-controllable light-emitting units, projected on a target plane by the near-illumination lamp; generating a brightness nonuniformity map representing brightness distribution according to the original light field image; calculating a brightness correction matrix for compensating brightness nonuniformity through a reverse solution algorithm on the basis of the brightness nonuniformity map and in combination with a model for describing a light transmission response relationship between the array and a target plane; and loading the brightness correction matrix into a controller of the near-lighting lamp, and performing differentiated brightness modulation on each light emitting unit in the array by the controller according to the brightness correction matrix. The problem that an existing near-illumination lamp cannot achieve high-precision and high-stability uniform light field output is solved.

Embodiments of the present disclosure provide a method and an apparatus for transmitting a feedback during wireless communication. A first apparatus (90) comprises means (910) for performing: receiving a transmission; transmitting a first feedback in response to the transmission. The first apparatus uses a plurality of resource blocks to form an interlace for the first feedback. The plurality of resource blocks comprises a first resource block, and at least one second resource block. A second resource block in the at least one second resource block is configured to be reusable for the first feedback, and a second feedback transmitted by a second apparatus. According to embodiments of the present disclosure, an improved manner for transmitting a feedback during wireless communication may be provided. Resource blocks may be reusable for more than one feedback from more than one apparatus. Thus, the number of required RBs to enable interlace / feedback may be reduced.

A collector ambient electromagnetic power harvesting (AEPH) device for collecting and forwarding data is disclosed. The device includes an antenna, an AEPH circuit converting RF energy from the antenna into electrical power, and a memory and a controller powered by the AEPH circuit. The controller receives in a first RF signal information from a reporter AEPH device, including data and the reporter ID. The controller stores the data in the memory with an association to the reporter ID. The controller receives in a second RF signal an interrogation signal. In response, the controller transmits a response via the antenna including the reporter ID and data in the memory associated with the reporter ID. The interrogation signal may be received and the response transmitted in a first RF band and / or communication protocol, and the information may be received in a second RF band and / or communication protocol.

Systems and methods for Wi-Fi sensing by networking devices are provided. A sensing transmitter is configured to obtain timing information from an unassociated access point The sending transmitter is further configured to generate local timing information, according to the timing information and to receive a transmission request from the unassociated access point, the transmission request including a timing information update. The timing information update is used to update the local timing information. A transmission response including a timestamp based on updated local timing information is sent responsive to a transmission request.

A user device, UE, for a wireless communication system, is to process a transmission received at the UE (PDSCH or PSSCH) or to be prepared by the UE (PUSCH) within a first processing time. Responsive to one or more criteria, the UE is to switch from the first processing time to a second processing time to be used to process a transmission received at the UE or to be transmitted from the UE.

Systems and methods are disclosed for modifying the encoding of a video in an ultra low-latency environment in response to a dropped or corrupted packet. A video source encodes the video using slice or tile encoding. Slice encoding divides each frame of the video into slices which are independently encoded. Each frame in a slice stream is either intra-coded or predictively encoded. Each slice or tile in an Intra frame, Predicted frame or bi-directional frame may be independently encoded as an Intra slice or tile, a predicted slice or tile or a Bi-directional slice or tile. Slices or tiles of each frame are multiplexed into data packets for transmission. In response to feedback indicating that a data packet was corrupted, is late or dropped, the video source determines what data was in the transmission data packet and modifies encoding of a subsequent slice or tile in the slice or tile stream to be intra-coded.

The invention relates to the technical field of temperature control, in particular to an intelligent temperature control system for a skid-mounted electronic control integrated device, and the system comprises a skid-mounted module which comprises a skid-mounted transformer substation and a temperature sensor which is arranged in a box body of the skid-mounted transformer substation and is used for collecting the internal temperature of the box body of the skid-mounted transformer substation; the communication module is connected with the skid-mounted module and comprises a signal conversion unit which is used for converting a temperature signal of the temperature sensor into a digital signal; the signal processing module is connected with the communication module and comprises a signal processing unit which is used for sequentially filtering, amplifying and calibrating the digital signal so as to output an optimized signal; and the control module is respectively connected with the skid-mounted module, the communication module and the signal processing module and is used for determining the filtering size of the sliding window according to the transmission response delay duration of the temperature sensor. According to the invention, the temperature control accuracy of the skid-mounted electric control integrated device is improved.

The invention discloses a security protection method and system for screen display dynamic content, belongs to the technical field of multimedia content security, and is used for solving the technical problem that a video stream played or put by an existing outdoor LED large screen has a security risk of being tampered easily. The method comprises the following steps: acquiring a preset configuration file, and extracting a watermark parameter and an interception strategy from the preset configuration file; embedding a blind watermark into a to-be-played video stream according to the watermark parameter, and transmitting the to-be-played video stream embedded with the blind watermark; and triggering the interception strategy in response to a verification result of the blind watermark so as to display a preset pure color screen. According to the method, the to-be-played video stream is transmitted from the server to the terminal, and then security protection in the whole transmission process of the terminal decoder and the large-screen equipment is realized, so that the risk that the video stream is easily tampered is avoided, the concealment, the anti-interference performance and the multi-equipment compatibility are considered, and the security of the to-be-played video stream is improved. The method is widely applicable to outdoor large-screen content safety protection in scenes such as smart cities and transportation hubs.

The invention belongs to the technical field of buildings, and particularly relates to a cable defect positioning and intelligent identification system and method based on a broadband impedance spectrum. The system comprises a vector network analyzer which can inject a sweep frequency excitation signal into a target cable to be detected, a high-precision receiver which is used for collecting signal reflection / transmission response so as to obtain full-band complex impedance spectrum data, and computer equipment which receives test data. The positioning method based on Nuttall-Kai ser mixed window and cepstrum coupling does not need to depend on an intact cable parameter database, is high in anti-interference capability, can accurately identify defect positions, and is high in positioning precision; the one-dimensional impedance spectrum is converted into the two-dimensional image through the GAF, the automatic identification of the defect type is realized by combining the residual neural network (ResNet), the manual intervention is reduced, and the automation degree is high; the deep feature learning capability of ResNet is utilized, and a CBAM attention module is combined, so that the capture of a fine defect mode is enhanced, and the recognition accuracy is improved.

Systems and methods are disclosed for modifying the encoding of a video in an ultra low-latency environment in response to a dropped or corrupted packet. A video source encodes the video using slice or tile encoding. Slice encoding divides each frame of the video into slices which are independently encoded. Each frame in a slice stream is either intra-coded or predictively encoded. Each slice or tile in an Intra frame, Predicted frame or bi-directional frame may be independently encoded as an Intra slice or tile, a predicted slice or tile or a Bi-directional slice or tile. Slices or tiles of each frame are multiplexed into data packets for transmission. In response to feedback indicating that a data packet was corrupted, is late or dropped, the video source determines what data was in the transmission data packet and modifies encoding of a subsequent slice or tile in the slice or tile stream to be intra-coded.

The invention relates to the technical field of integrated circuits and computer hardware structures, and particularly discloses a transmission error positioning method, a control circuit, a main device and a bus system.The method comprises the steps that a transmission request from the main device is received; the transmission request comprises a transmission address and a transaction identifier; in response to the transmission request, converting the transmission address into a corresponding slave device identifier through hardware address decoding logic; storing a transaction identifier of the transmission request and a slave device identifier in an idle entry of a cache structure; receiving a transmission response from the interconnect fabric or the slave device; the transmission response comprises a transaction identifier and a response state; searching an entry matched with the transaction identifier in the transmission response in the cache structure; and when the item matched with the transaction identifier in the transmission response is found and the response state indicates that the response is wrong, latching the slave device identifier in the matched item. According to the scheme, transmission error positioning can be realized in a bus system supporting advanced transmission.

The invention discloses a double-resonance microwave sensor, and relates to the technical field of sensors, the double-resonance microwave sensor comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and complementary opening resonance units are etched on the microwave resonance layer; the complementary opening resonance unit comprises an inner ring groove and an outer ring groove which are concentrically arranged, one side of the inner ring groove is provided with a connecting bridge extending outwards, and the connecting bridge is communicated with the outer ring groove; interdigital slotting units which are symmetrical to each other are arranged on the two sides of the outer ring groove respectively; the back surface of the dielectric plate is provided with microstrip lines corresponding to the complementary opening resonance units. According to the invention, by adopting a dual-resonance structure in which the complementary opening resonance units are coupled with the microstrip lines, dual-resonance transmission response can be excited and formed, so that the detection precision and sensitivity of the sensor are improved.

A first UE transmits, on a first unicast link to a second UE, a first RS from a first TRP of the first UE. The first UE receives, based on the first RS transmitted, a first channel measurement for the first unicast link from the second UE and a first interference measurement for a second unicast link from a third UE. The first UE transmits, on the second unicast link with the third UE, a second RS from a second TRP of the first UE. The first UE receives, based on the second RS transmitted, a second channel measurement for the second unicast link from the third UE and a second interference measurement for the first unicast link from the second UE. The first UE applies SDM for the first unicast link and the second unicast link based on the received channel and interference measurements.

The embodiments of the present disclosure provide an electronic apparatus and a method performed by the same, a storage medium, and a computer program product which relates to the field of artificial intelligence. The method includes: acquiring a plurality of first audio signals recorded at a plurality of different locations in a space where a sound source is located; rendering, for each first audio signal, using a transmission response corresponding to at least one other first audio signal to obtain a rendered audio signal; estimating parameters for reflecting acoustic characteristics of the space based on the plurality of rendered audio signals; and performing, based on the estimated parameters, audio rendering of a virtual audio to obtain a reverberation audio. Alternatively, the above method executed by electronic apparatus may be executed by using artificial intelligence models.

The application discloses a double-resonance microwave sensor and relates to the technical field of sensors, which comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and the microwave resonance layer is etched with a complementary open resonant unit; the complementary open resonant unit comprises concentrically arranged inner ring grooves and outer ring grooves, one side of the inner ring grooves is provided with an outwardly extending connecting bridge, the connecting bridge is in communication with the outer ring grooves; the two sides of the outer ring grooves are respectively provided with interdigitated slotted units that are symmetrical to each other; and the back surface of the dielectric plate is provided with a microstrip line corresponding to the complementary open resonant unit. The double-resonance structure of the complementary open resonant unit and the microstrip line coupling can excite a double-resonance transmission response, so that the detection precision and sensitivity of the sensor are improved.

Embodiments of the present application are related to methods and apparatuses for positioning in a partial coverage scenario. An embodiment of the present application provides a location management function (LMF) of a wireless network including a transceiver and a processor coupled to the transceiver. The processor is configured to perform at least one of the following: transmitting, with the transceiver and to each of a set of first user equipments (UEs) in coverage of the wireless network, a discovery request for discovering a second UE which is out of coverage of the wireless network and whose position is requested; receiving, with the transceiver and from a third UE, a request for positioning the third UE, and transmitting, with the transceiver and to the third UE, a positioning result for the third UE in response to the request, wherein the third UE is in coverage of the wireless network and performing a sidelink positioning procedure with a fourth UE which is out of coverage of the wireless network for acquiring a position of the fourth UE; or receiving, with the transceiver and from a fifth UE, a positioning assistance request, and transmitting, with the transceiver and to the fifth UE, a positioning result for a target UE out of coverage of the wireless network in response to the positioning assistance request, wherein a calculation ability of the fifth UE cannot support a positioning service associated with the target UE.

The utility model discloses a stamping die convenient to demould, and relates to the field of stamping dies. The stamping die comprises a main body, the main body comprises a base and a lower die, a die groove is formed in the axis of the top of the lower die, the stamping die is provided with a first sensing mechanism, a sensing piece and a Hall sensor, and the first sensing mechanism is a key part in the stamping die convenient to demould; all the structures jointly achieve efficient and automatic cleaning of the mold, the induction piece moves along with the demolding mechanism and triggers signals when approaching the Hall sensor, non-contact transmission and rapid response are achieved, the Hall sensor accurately senses the position of the induction piece and triggers or closes the signals, stability and anti-interference capacity are achieved, production efficiency is improved, and compared with the prior art, production cost is reduced. For example, for a stamping die with the patent number of 202321035047.2, a complicated gear and a tension spring structure inside the stamping die are easy to wear and troublesome to maintain, and the cleaning efficiency needs to be improved.

The present application relates to the field of power electronics, in particular to a kind of digital current sharing control method, device and power supply system based on pulse coding.The present application realizes digital current sharing control using pulse coding, converts current analog signal into fixed frequency pulse signal, obtains average frequency pulse signal by pulse fusion and frequency division processing, and is transmitted through current sharing bus, finally each power module adjusts its output current to realize equal distribution;Compared with traditional analog current sharing scheme, digital pulse signal is transmitted on current sharing bus, anti-interference ability is significantly enhanced, signal distortion and current sharing error in strong interference environment can be avoided, and current sharing stability and control accuracy are improved;At the same time, the present application does not need complex analog conditioning circuit, hardware structure is simplified, cost is lower, reliability is higher, digital signal transmission response is fast, consistency is good, and it can effectively adapt to multi-power module parallel power supply system.

A collector ambient electromagnetic power harvesting (AEPH) device for collecting and forwarding data is disclosed. The device includes an antenna, an AEPH circuit converting RF energy from the antenna into electrical power, and a memory and a controller powered by the AEPH circuit. The controller receives in a first RF signal information from a reporter AEPH device, including data and the reporter ID. The controller stores the data in the memory with an association to the reporter ID. The controller receives in a second RF signal an interrogation signal. In response, the controller transmits a response via the antenna including the reporter ID and data in the memory associated with the reporter ID. The interrogation signal may be received and the response transmitted in a first RF band and / or communication protocol, and the information may be received in a second RF band and / or communication protocol.

The application discloses a kind of wide band low insertion loss high selectivity frequency selective surface and application.It includes several unit structures, unit structure includes main structure and longitudinal structure, main structure includes two layers of rotation symmetry, aperture type frequency selective surface screen interval parallel arrangement of the dielectric layer and metal layer, longitudinal structure includes vertical and auxiliary metal strip, vertical metal strip upper end penetrates the through groove of upper aperture type frequency selective surface screen and does not contact electrically connected;Vertical metal strip bottom is equipped with auxiliary metal strip, auxiliary metal strip is pasted on the upper surface of lower aperture type frequency selective surface screen dielectric layer.The application inserts transmission zero between stop band and passband by longitudinal structure, realizes the low loss and high selectivity of passband transmission response under dual polarization, effectively improves the isolation of multi-frequency antenna array, improves the antenna pattern deterioration problem caused by co-aperture antenna coupling, with the characteristics of wide band, high selectivity, low loss, low profile, simple structure.

The invention relates to the technical field of microwaves, in particular to a frequency and insertion phase adjustable miniaturized reconfigurable filtering power divider, a power divider structure and electronic equipment. Each output path is arranged between the resonance unit and the radio frequency output end of the power divider, and the filter circuit is arranged between the radio frequency input end of the power divider and the resonance unit, so that the overall architecture design of the power divider is completed; meanwhile, a non-resonance point unit used for adjusting the phase of the output path is arranged in the output path, and the resonance unit and an impedance conversion unit arranged in the output path are utilized to perform regulation and control when the phase of the output path is adjusted by the non-resonance point unit, so that the output path maintains a fixed transmission response; the integration of a filtering function, a power distribution function and a phase shift function in the overall architecture of the power divider is realized, an additional matching network is not needed, and the system complexity is greatly reduced.

In an aspect, a camera sensor component receives a first configuration of a first virtual channel (VC) and a second configuration of a second VC during a multi-VC configuration session, the first configuration associated with a first binning mode (e.g., full, 4x4, 8x8, etc.), the second configuration associated with a second binning mode (e.g., full, 4x4, 8x8, etc.). The camera sensor component detects a trigger to initiate streaming of active frames associated with the first VC and the second VC. In response to the trigger, the camera sensor component streams first active frames associated with the first VC according to the first binning mode and streams second active frames associated with the second VC according to the second binning mode.

A first wireless device receives, from a base station, configuration parameters of a scheduling request for a sidelink buffer status report (BSR) of a sidelink between the first wireless device and a second wireless device. The scheduling request is triggered for the sidelink BSR in response to data becoming available for transmission to the second wireless device via the sidelink. The first wireless transmits, based on the triggering and to the base station, a preamble for a random access procedure to obtain a first uplink grant to transmit the sidelink B SR. The sidelink BSR is transmitted via a second uplink grant different from the first uplink grant indicated in a random access response corresponding to the preamble. The random access procedure is stopped in response to transmitting the sidelink BSR.

A testing system for a modulator includes a radio frequency (RF) generator, an optical power meter, and an electrical power meter. The RF generator is configured to generate and provide a first plurality of RF signals and a second plurality of RF signals, wherein the first plurality of RF signals and the second plurality of RF signals are associated with a plurality of frequencies. The optical power meter is configured to measure an optical power of an output optical signal, which is modulated by the modulator based on the first plurality of RF signals, to facilitate determination of a transmission response measurement of the modulator for each frequency of the plurality of frequencies. The electrical power meter is configured to measure a portion of each RF signal of the second plurality of RF signals to facilitate determination of a reflectance response measurement of the modulator for each frequency.

The invention provides a spherical segment-shaped concave surface underwater acoustic transducer matching layer based on an asymmetric metasurface, which comprises a cylinder structure with an inward concave spherical segment-shaped concave surface at the top, and is characterized in that the cylinder structure is formed by alternately and periodically arranging rigid material layers and flexible bonding layers along the thickness direction; the rigid material layer and the flexible bonding layer have the same concave surface radian; a plurality of hemispherical concave hole units are distributed on the spherical segment-shaped concave surface of the rigid material layer on the topmost layer, and the plurality of concave hole units form an asymmetric metasurface. Through periodic impedance transition and a geometric focusing effect, the sound wave transmission efficiency and the working bandwidth are remarkably improved, and an angle-frequency dependent unique transmission response is shown in a frequency band of 69-79 kHz. The problems that a traditional matching layer is low in transmission efficiency, limited in bandwidth and lack of directional recognition capacity are solved, and the method is suitable for underwater acoustic communication, detection and positioning systems.

A method may include a tire pressure monitoring system (TPMS) sensor that can operate in an asynchronous mode, which includes the wireless transmission of TPMS data advertisements (TPMS data ADVs), and switch to a synchronous mode, which may include terminating the transmission of the TPMS data ADVs, entering a power-saving state in which the TPMS sensor does not wirelessly transmit or receive, and, in response to a request message from a TPMS central device, selectively transmitting a TPMS response in a timeslot of a repeating advertising interval. TPMS data ADVs and a TPMS response may include tire condition data and be compatible with at least one BT standard. Corresponding devices and systems are also disclosed.