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72 results about "Interference reduction" patented technology

PVC film coating uniformity detection method based on spectral analysis

The invention discloses a PVC film coating uniformity detection method based on spectral analysis, and relates to the technical field of optical detection, and the method comprises the following steps: S001, adopting a controllable incident illumination system with a multi-angle rotation function to carry out continuous angle scanning on the surface of a PVC film, collecting reflection spectrum intensity data in a corresponding wave band range according to different incident angles, and generating a spectrum data matrix containing interference characteristics; and S002, carrying out continuous wavelet transform processing on the spectral data matrix, carrying out multi-scale local decomposition on a spectral response signal, extracting and separating a periodic interference characteristic signal, and obtaining a purified spectral matrix after interference reduction. According to the method, through multi-angle spectrum collection and interference feature stripping, accurate identification of a coating thickness abnormal area and combination of strength indexes, spraying parameters are regulated and controlled, a detection-compensation-reinspection closed-loop mechanism is constructed, interference misjudgment is effectively avoided, and the accuracy and regulation and control efficiency of uniformity detection of the PVC film coating are improved.
Owner:ZHEJIANG HONGSHIDA ENVIRONMENTAL MATERIALS TECH CO LTD

Electrically steered dielectric beamformer

The proposed dielectric beamformer may be used to provide beam-forming of a transmitted radio-frequency (RF) signal. The dielectric beamformer includes a dielectric lens that provides a means of quickly steering a peak beam of the RF signal in a specific direction, allowing tracking of a distant signal, or multiple distant signals. Moreover, the beam of the RF signal can be steered to place a null in a chose direction to reduce interference. The dielectric beamformer includes a dielectric lens, which includes a first layer including a plurality of photo-voltaic (P-V) cells and a second layer including a plurality of piezoelectric cells, and one or more light sources arranged to emit light beams towards the P-V cells of the first layer. The piezoelectric cells are electrically connected to the P-V cells to receive the electricity produced in the P-V cells.
Owner:NORTHROP GRUMMAN SYSTEMS CORP

Systems and methods for uplink power control

Mitigation of interference between terrestrial networks (TN) and non-terrestrial networks (NTN) in integrated communication systems may be achieved by reducing the interference at both networks such that co-channel inter-system interference may be minimized and spectral efficiency may be improved. Additionally, by improving spectrum sharing between TN and NTN, higher throughput may be achieved and user coverage may be expanded. By integrating a directional interference adjustment factor (DIAF) into a power control mechanism, a system can make more informed and precise adjustments to its transmit power. By considering the DIAF, the system may dynamically adjust power to, thereby, minimize interference with other networks or users. Minimization of interference is especially convenient in environments where multiple networks share the same spectrum. Adjusting power based on the DIAF helps maintain a better signal to interference and noise ratio, leading to more reliable communication and better data rates.
Owner:HUAWEI TECH CO LTD

Flexible resource configurations for interference reduction between devices

Systems and techniques are provided for wireless communication by a network entity. For example, a network entity can transmit a first configuration of a flexible resource that configures the flexible resource for an uplink transmission for a user equipment (UE). The network entity can transmit a second configuration of the flexible resource that configures the flexible resource for a downlink transmission from the network entity to an ambient internet-of-things (A-IoT) device. The network entity can transmit, to the UE, an indication configured to cause the UE to not use the flexible resource.
Owner:QUALCOMM INC +5

Power electronic device and vehicle

Power electronic device (11) comprising a semiconductor switch (15) and a sensor module (1) which is in thermal contact with the semiconductor switch (15) and has at least one measuring transmitter (2), wherein the sensor module (1) has at least one interference suppression element (3) for reducing interference signals, wherein the sensor module (1) has an input contact (6) and an output contact (7), wherein the measuring transmitter (2) and the interference suppression element (3) are arranged in a parallel circuit (8), wherein the parallel circuit (8) is electrically connected on the one hand to the input contact (6) and on the other hand to the output contact (7), wherein the input contact (6) and the output contact (7) are each designed as an unshielded cable (9).
Owner:VALEO EAUTOMOTIVE GERMANY GMBH

Interference reduction method and device for dual-mode chip and electronic equipment

The invention discloses a dual-mode chip interference reduction method, a dual-mode chip interference reduction device and electronic equipment, and relates to the field of Bluetooth and WiFi multiplexing. The method comprises the following steps: acquiring an NAV value in a WiFi module, and comparing the NAV value with a preset duration before a starting point of a Bluetooth connection event; if the NAV value is greater than the preset duration, abandoning the current BLE connection event, and maintaining WIFI transmission; if the NAV value is smaller than or equal to the preset duration, WIFI transmission is interrupted, and switching to a BLE frequency point is carried out; after switching to the BLE frequency point, obtaining the duration of continuously detecting the channel state by the CCA module; and controlling the BLE transmission behavior according to the duration of continuously detecting the channel state by the CCA module. The problems that BLE transmission easily conflicts with other 2.4 G equipment transmission, the BLE transmission and other 2.4 G equipment transmission fail due to mutual influence, and WIFI transmission efficiency is reduced due to the fact that WIFI transmission is frequently interrupted are solved.
Owner:ZHUHAI HUGE IC CO LTD

Video super-resolution reconstruction method and device and wearable equipment

The invention relates to the technical field of video processing, and discloses a video super-resolution reconstruction method and device and wearable equipment, and the method comprises the steps: obtaining a to-be-reconstructed low-resolution video; reconstructing the to-be-reconstructed low-resolution video through a preset reconstruction model to obtain a target high-resolution video; wherein the preset reconstruction model at least comprises a channel attention mechanism module provided with a gating mechanism, the gating mechanism comprises target feature weights corresponding to the feature information, the target feature weights are determined through adaptive training, and the channel attention mechanism module is used for performing feature extraction on the low-resolution video to be reconstructed to obtain the feature information; and reconstructing the to-be-reconstructed low-resolution video according to the corresponding target feature weight based on each piece of feature information to obtain a target high-resolution video. When the method is used, reconstruction can be carried out through a gating mechanism according to the target feature weights corresponding to the feature information, so that interference can be reduced, and the reconstruction effect is improved.
Owner:GEER TECH CO LTD

Intercell coordination for interference estimation and nulling

A method for wireless communication at a first network entity and related apparatus are provided. In the method, the first network entity receives an inter-cell interference coordination (ICIC) message from a second network entity over an Xn interface between the second network entity and the first network entity. The ICIC message includes at least one of a set of start and length indicator value (SLIV) patterns or a bitmap for uplink or downlink transmissions of the second network entity with a user equipment (UE). The first network entity further performs an interference reduction process based on the ICIC message within a first ICIC period.
Owner:QUALCOMM INC

Satellite signal interference mitigation method, satellite positioning system and receiver

This disclosure provides a satellite signal interference suppression method, a satellite positioning system, and a receiver, relating to the field of satellite positioning technology. The method includes: the receiver acquiring a target signal via a first antenna and a second antenna, the target signal including a first signal received via the first antenna and a second signal received via the second antenna; parsing the target signal to obtain phase difference information between the first signal and the second signal, the phase difference information being used to characterize the phase difference formed when the first signal reaches the first antenna and the second signal reaches the second antenna; determining whether the receiver has received an interference signal based on the phase difference information; and, if it is determined that the receiver has received an interference signal, suppressing the interference signal based on the phase difference information. This allows for efficient and accurate determination of the existence of interference signals and suppression of interference, thereby reducing the impact of interference signals on normal satellite signals and improving the robustness of satellite navigation and positioning.
Owner:TECHTOTOP MICROELECTRONICS

Pole piece alignment degree detection method

The invention discloses a pole piece alignment degree detection method, which realizes an accurate, efficient and strong-robustness detection effect through a series of optimization processing steps. Firstly, image enhancement processing can effectively improve the image quality of a battery cell area, and a good foundation is laid for subsequent operation; a region-of-interest image is cut out and corrected, a key detection part can be accurately focused, and the influence of interference factors is reduced; the method comprises the following steps: carrying out horizontal direction enhancement on an image of a region of interest by adopting an anti-sharpening mask method, further highlighting edge features of a pole piece, and carrying out preprocessing in combination with a secondary gradient map, so that a positive region mask map, a boundary and a contour map can be more accurately extracted, and endpoint coordinates of positive and negative polar lines are accurately determined; and finally, an alignment degree value is calculated based on the end point coordinates, and quality judgment and result visual output are performed, so that the misjudgment rate and the missed judgment rate are effectively reduced, the detection efficiency is improved, and the method can adapt to a large-scale production scene.
Owner:GUANGDONG ZHENGYE TECH CO LTD

Electromagnetic tracking and position measurement system having interference reduction from nearby instrumentation by filtering time-division multiplexed signal via step function

An electromagnetic tracking (EMT) system is configured for determining a frequency for generating at least a portion of a magnetic field signal using a transmitter coil of a plurality of transmitter coils. The EMT system configures a time-division multiplexed (TDM) control signal configured to cause the transmitter coil to transmit bursts of the magnetic field signal at the frequency. The EMT system configures a filter for filtering the TDM control signal, the filter configured to shape each burst to reduce or eliminate a harmonic artifact of the bursts. The EMT system causes the transmitter coil to generate the shaped bursts of the magnetic field signal. The EMT system receives, from a sensor, a sensor signal that corresponds to the magnetic field signal, the sensor including the output response indicative of the location of the sensor relative to the transmitter.
Owner:NORTHERN DIGITAL

RADIO FREQUENCY INTERFERENCE REDUCTION

A device may include: a memory and a processor designed to: determine a utilization state of a wireless communication link designed to communicate within a radio frequency channel; determine an operating frequency of a radio frequency interference generating device; and instruct the radio frequency interference (RFI) generating device to adjust the operating frequency based on the utilization state of the wireless communication link.
Owner:INTEL CORP

Imaging system based on super- rayleigh limit focusing lens and application thereof

Embodiments of the present application propose an imaging system based on super-Raleigh limit focusing lens and its application, which can be widely applied in the technical fields of photolithography, biomedical, optical imaging and nanometer structure precision measurement; the system can produce transverse wave vector distribution and excitation and detection vector beams with wave vector range meeting the requirements by wave vector ring modulation on incident linearly polarized light, focus the vector beams to make the focusing field meet the scale requirements, so as to obtain super-Raleigh limit excitation PSF and detection PSF, and obtain a confocal PSF capable of exciting high-order terms of spot intensity by superimposing the excitation and detection PSFs, thereby improving the imaging resolution of the system; on the other hand, the system can use solid and hollow focusing spots formed by focusing vector beams to form an image, and calculate according to the imaging result to reduce interference, so as to obtain a high-resolution detection result far exceeding the Raleigh diffraction limit, and further improve the resolution of the imaging system.
Owner:SUN YAT SEN UNIV

A method and device for reducing radio frequency interference in a phased array radio telescope

ActiveCN121012565BSpatial transmit diversityRadio telescopeSignal subspace
The application relates to the field of radio astronomy signal processing, and discloses a radio frequency interference reduction method and device for a phased array radio telescope, wherein the method comprises the following steps: acquiring relative position information of a plurality of navigation satellites, determining potential interference satellites from the plurality of navigation satellites according to the relative position information; acquiring a wideband signal collected by the phased array radio telescope, and determining a plurality of interfered subbands in the wideband signal; matching the interfered subbands with the potential interference satellites, and determining subband interference information of the interfered subbands according to a matching result; acquiring a signal subspace and an interference subspace of the interfered subbands, and then determining a skew projection matrix of the interfered subbands; and simultaneously performing interference reduction and digital beam forming on the interfered subbands according to the skew projection matrix and the signal subspace. The technical scheme provided by one or more embodiments of the application can realize continuous interference reduction of the phased array radio telescope on the in-orbit satellites.
Owner:ZHEJIANG LAB

LED light source capable of dynamically adjusting color temperature, control method and related equipment

The invention discloses an LED light source capable of dynamically adjusting color temperature, a control method and related equipment, and the method comprises the steps: arranging a first light-emitting unit and a second light-emitting unit on an LED substrate, and arranging a partition plate structure between the first light-emitting unit and the second light-emitting unit to reduce interference; electrically connecting the first light-emitting unit and the second light-emitting unit with the double independent driving power supplies; obtaining a target color temperature value, carrying out query matching on the target color temperature value and a preset mapping relation table, determining a target unit current corresponding to the target color temperature value, respectively outputting control currents with corresponding current proportions according to the target unit current through the double independent driving power supplies, and adjusting the color temperatures of the first light-emitting unit and the second light-emitting unit; dynamic adjustment of the color temperature is achieved by adjusting the current proportion, flexibility is improved, and the color temperature control precision is improved by arranging a partition plate structure. According to the embodiment of the invention, control flexibility and control precision can be improved. The method can be widely applied to the technical field of display.
Owner:HANVON UGEE TECH CO LTD

sensing management function sensing direction indication

A user equipment (UE) and related techniques are disclosed. In one aspect, a UE provides an indication of a sensing direction for transmitting and receiving radar signals to sense an environment of a device to one or more wireless nodes of a radio access network (NG-RAN) associated with a core network or a second network entity of the core network different from a first entity. By utilizing previous sensing measurement reports collected by a sensing management function (SnMF), latency for tracking a target can be reduced by skipping an exhaustive scan or a complex full processing. In this way, interference can be reduced and less resource and power usage for a sensing function can be achieved. In one case, the sensing direction can be indicated in a GCS and converted at the NG-RAN or the UE to a beam direction of a corresponding sensor in a LCS for efficient beam management. In one case, the SnMF indicates to the NG-RAN or the UE a sensing direction in a LCS for sensing signal transmission and / or reception.
Owner:QUALCOMM INC

Anti-interference wireless traffic light control system and control method

The invention relates to the technical field of traffic lights, in particular to an anti-interference wireless traffic light control system and control method.The anti-interference wireless traffic light control system comprises a signal control master device and a plurality of signal light slave devices, and the signal control master device and the signal light slave devices are in communication connection through at least two wireless communication modes; the signal control master device is used for simultaneously sending control instruction data to be sent through each wireless communication mode; and the signal lamp slave device is used for receiving the control instruction data sent by the signal control master device through different wireless communication modes, and performing data analysis on all the control instruction data to determine effective data. Multiple wireless communication modes are set in the signal control master device and the signal lamp slave device, communication data between the control master device and the signal lamp slave device are transmitted through multiple communication links, and the influence caused by interference is greatly reduced or reduced through distribution of the wireless communication module and data receiving, gathering and filtering.
Owner:WUXI ANBANG ELECTRIC CO LTD

Active prevention and control system for sand foundation damage under earthquake action and construction method of active prevention and control system

The invention discloses an active prevention and control system for sand foundation damage under the earthquake action and a construction method of the active prevention and control system. The system comprises a main body structure pressed into a sand stratum, earthquake frequency obtaining units annularly distributed on the periphery of the main body structure and a power supply unit on the top. The main body structure comprises an analysis feedback unit, an execution unit and a reinforcement unit, the analysis feedback unit receives seismic frequency data and generates an anti-phase waveform instruction, and the execution unit vibrates to weaken the seismic action; and under the high-strength earthquake working condition, the earthquake load effect rises, the pore water pressure rises to the preset threshold value, the reinforcing units are triggered, the reinforcing grout flows out of the honeycomb grid-shaped side wall, and grouting reinforcement of the foundation is achieved. The construction method comprises the steps of site exploration, drilling operation, unit layout, structure lowering, connection debugging and effect detection. By means of the principle of interference reduction, through the synergistic effect of active vibration reduction and instant reinforcement, full-stage prevention and control of sand liquefaction are achieved, the response speed is high, and the reinforcement effect can be achieved to the maximum extent.
Owner:NANJING TECH UNIV

Method and apparatus for reducing interference, communication device and storage medium

Provided in embodiments of the present disclosure are a method and apparatus for reducing interference, a communication device, and a storage medium. The method according to the embodiments of the present disclosure is performed by a terminal device, and includes: reporting processing capacity indication information of the terminal device, where the processing capacity indication information is configured to indicate a processing capacity of the terminal device in a carrier aggregation scenario.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

A GNSS interference reduction method and apparatus

The application provides a GNSS interference reduction method and device, wherein the method is applied to a terminal with an NR transmitter, and the method comprises the following steps: when the frequency band of a 3GPP access service cell of the terminal interferes with GNSS receiving signals, it is judged whether the terminal is simultaneously connected to a non-3GPP access network; if yes, a PDU session on a link between the terminal and the 3GPP access network is transferred to a link between the terminal and the non-3GPP access network; otherwise, a connection with the non-3GPP access network is established, and the PDU session on the link between the terminal and the 3GPP access network is transferred to the link between the terminal and the non-3GPP access network. The method provided by the application avoids the interference of the frequency band of the 3GPP access cell of the terminal on the GNSS receiving signals, and solves the technical problem that the performance of GNSS is reduced due to the interference.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD

Multi-band radio frequency transceiver circuit, multi-band radio frequency transceiver module and terminal equipment

The invention provides a multi-band radio frequency transceiver circuit, a multi-band radio frequency transceiver module and terminal equipment, and the multi-band radio frequency transceiver circuit comprises a baseband chip, a radio frequency integrated circuit module, a power amplifier switch integrated module, a high-frequency receiving filter, a low-frequency receiving filter and an antenna module. Wherein the baseband chip is used for processing a baseband signal, the radio frequency integrated circuit module is used for amplifying a transmitting signal or demodulating a receiving signal, the power amplifier switch integrated module is used for amplifying the transmitting signal and guiding high and low frequency receiving signals, and the high and low frequency receiving filter is used for purifying the signals. And the antenna module is used for completing signal emission and multi-band mixed signal acquisition. Therefore, the circuit can realize efficient transceiving of multi-band signals, interference is effectively reduced through filtering purification, and the signal-to-noise ratio of received signals is improved; the processing link is optimized in a modularized division mode, the signal transmission stability is enhanced, the communication quality is guaranteed, and the multi-scene communication requirement is met.
Owner:AEROSPACE CPOWER SCI & TECH (CHONGQING) LTD

Ultrasonic robot abnormal condition intelligent detection and processing method

The invention discloses an ultrasonic robot abnormal condition intelligent detection and processing method, and relates to the field of ultrasonic robots, and the method comprises the steps: collecting the ultrasonic image data of a target detection region and the operation state parameters of a robot in real time based on timestamp alignment under the operation state of the ultrasonic robot; environment and equipment noise interference is eliminated for ultrasonic image data based on pixel neighborhood correlation, a dynamic screening interval is constructed for operation state parameters based on a preset normal working condition fluctuation range, out-of-range numerical values are preliminarily eliminated, and meanwhile correlation alignment of preprocessing results is completed based on an acquisition time sequence of the two types of data; according to the invention, data can be accurately collected and processed to reduce interference and eliminate abnormal values, the judgment standard can be dynamically updated, and the problems of image distortion and parameter overrun can be accurately identified.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Method for interference compatibility of ngso-fss systems with adjacent band satellite systems

The application discloses an interference compatibility method for an NGSO-FSS system and an adjacent frequency satellite system, and belongs to the technical field of radio communication frequency compatibility.The method solves the problem of interference between the NGSO-FSS system and the adjacent frequency satellite system, and comprises the following steps: at the satellite layer, designing an NGSO constellation configuration and a sensor model of the adjacent frequency satellite system; at the ground end, determining the position and quantity of gateway stations in the NGSO-FSS system; at the link layer, regarding the gateway stations of the NGSO-FSS system as interference sources, considering the total atmospheric attenuation and the free space transmission loss, obtaining the interference power received by the adjacent frequency satellite system, and further adjusting the transmission power of the corresponding antennas of the gateway stations; based on the gateway stations and the NGSO constellation, evaluating the total interference of all active gateway stations for the adjacent frequency satellite system, calculating the interference reduction amount, adjusting the useless transmission power and the NGSO constellation configuration according to the interference reduction amount, and until the interference power level meets the threshold value of the protection criterion.
Owner:HARBIN INST OF TECH

Interference reduction techniques between passive wireless devices

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for interference reduction techniques between passive wireless devices. In some aspects, a source device, a reader device, or a passive wireless device may support one or more interference avoidance mechanisms according to which the reader device may experience less interference from other devices within a system or may more accurately decode messaging that is meant for the reader device from the radio frequency signaling received at an antenna of the reader device, or both. In some implementations, multiple passive wireless devices may each add or apply a respective communications signature to a reflected or backscattered signal from that passive wireless device. The respective communications signatures may uniquely identify backscattered signaling from a specific passive wireless device such that a reader device may parse through received signaling and extract and decode a relevant message.
Owner:QUALCOMM INC

Coriolis mass flowmeter with reduced interference

The utility model provides a kind of coriolis mass flowmeter of reducing interference high accuracy, belong to coriolis mass flowmeter technical field, this coriolis mass flowmeter of reducing interference high accuracy, including mass flowmeter body;Two mounting seats, two mounting seats are set in the outer surface of mass flowmeter body, the downside of two mounting seats is provided with base;Multiple fixing bases, multiple fixing bases are respectively set in the two sides of two bases, the upper end of multiple fixing bases is all screw thread connection with screw;Two groups of buffer mechanisms, each group of buffer mechanisms includes: buffer shell, buffer shell is set in the upper end of base, effectively attenuate high frequency or large amplitude vibration by buffer mechanism, avoid the error of measurement data, improve the precision of flow data, solve the phenomenon that buffering element is easily fatigued under long-term vibration environment Failure, strengthen the stability of flowmeter long-term operation simultaneously.
Owner:CHENGDU LODINSON INTELLIGENT TECH CO LTD

Anti-electromagnetic interference electric bicycle charging line

The utility model relates to the technical field of transmission cables, in particular to an anti-electromagnetic interference electric bicycle charging cable, which comprises a core wire group arranged in a cable jacket, the core wire set comprises a power line set and a control line set which are parallel to each other and abut against each other, a plurality of signal display lines which are arranged in the cable jacket and located on the two sides of the power line set, and a ground wire arranged on one side of the power line set, and a cavity formed by the cable jacket and the core wire set is further filled with elastic filler. According to the utility model, the cable is coated with the first shielding layer at the periphery of the core wire group, and the first shielding layer is coated at the periphery of the core wire group, so that electromagnetic interference possibly generated in the charging wire can be effectively shielded, the working stability of the charging wire is ensured, the generation of interference current is effectively reduced, and the service life of the charging wire is prolonged. And the first shielding layer is coated with the cable jacket, so that the long service life of the charging wire can be ensured, the electromagnetic interference of the charging wire can be effectively shielded, and the generation of interference current can be reduced.
Owner:LTK INDS HUIZHOU +2

Method for reducing interference signals in a top-down view showing a motor vehicle and its surrounding area, driver assistance system and motor vehicle

Method for reducing interference signals (17) in a top-down image (14) showing a motor vehicle (1) and an area (4) surrounding the motor vehicle (1), wherein the top-down image (14) is determined on the basis of raw images (11a, 11b, 11c, 11d) acquired by at least two vehicle-mounted cameras (5a, 5b, 5c, 5d), and wherein the method includes the following steps a) to c): a) suppressing or attenuating contrast sharpening and / or edge sharpening for the acquired raw images (11a, 11b, 11c, 11d) in the case of cameras equipped with integrated sharpening functions (5a, 5b, 5c, 5d), and determining the top-down image (14) on the basis of the raw images (11a, 11b, 11c, 11d) without the contrast sharpening. and / or edge sharpening, b) Creating focus offsets within the captured raw images (11a, 11b, 11c, 11d) and determining the top view image (14) based on the raw images (11a, 11b, 11c,11d) with the focusing offsets, c) Identifying at least one image area (16) in the top view image (14) containing interference signals (17) and reducing the interference signals (17) by applying a filter to image elements of the top view image (14) and / or the raw images (11a, 11b, 11c, 11d) corresponding to this image area (16).
Owner:CONNAUGHT ELECTRONICS