182 results about "Interference reduction" patented technology

Aspects of the subject disclosure may include, for example, identifying one or more radiating elements of an antenna system that are to be adjusted based on interference determined to affect an operation of the antenna system, and altering one or more properties of the one or more radiating elements to effect polarization adjusting such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

The invention provides a beam weight optimization method and device based on a low-altitude scene, electronic equipment and a storage medium. The method comprises the following steps: acquiring measurement report MR data reported by a flight terminal in the low-altitude scene according to a set flight route period; performing coverage simulation on all weights in a preset cell beam weight library to obtain simulation data corresponding to different beam weights in the low-altitude scene; based on the simulation data and the MR data, optimizing a wave beam weight of a network side to obtain an optimized wave beam weight; and dynamically adjusting the beam weight of the base station antenna based on the optimized beam weight. In a low-altitude scene, by simulating the preset beam weight, aiming at low-altitude environment complex interference, the interference source is effectively identified and avoided, the beam weight is optimized, and the influence of the interference on the signal quality is reduced, so that the signal strength is enhanced, the stable connection between the flight terminal and the base station is ensured, the signal quality is improved, and the user experience is improved. And high efficiency and accuracy of data transmission are ensured.

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.

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.

The invention relates to the technical field of live broadcast management, in particular to a digital intelligent live broadcast bullet screen supervision method and system. The method comprises the following steps: acquiring live broadcast bullet screen data and real-time live broadcast data; analyzing the live broadcast bullet screen data, and determining an abnormal bullet screen and an abnormal level of the abnormal bullet screen; performing risk assessment on the abnormal bullet screen in combination with the real-time live broadcast data, and determining a dynamic shielding judgment threshold value of the abnormal bullet screen; and comparing the abnormal level with the dynamic shielding judgment threshold, and determining a display strategy of the abnormal bullet screen according to a level comparison result. And in combination with the real-time live broadcast data, risk assessment is performed on the abnormal bullet screen, the dynamic shielding judgment threshold of the abnormal bullet screen is determined, and the high-risk scene recognition accuracy is improved. And comparing the abnormal level with a dynamic shielding judgment threshold, and determining a display strategy of the abnormal bullet screen according to a level comparison result, thereby reducing interference, retaining free expression of the user, reducing the complaint rate of the user, and inhibiting malicious screen refreshing diffusion.

The present disclosure provides an interference mitigation cartridge for cardiac vibrational waves. The reduction box comprises an upper end face, side faces, a bottom face and a box body inner cavity defined by the upper end face, the side faces and the bottom face. The impedance wave-absorbing layer on the upper end surface comprises a carbon fiber epoxy layer, a silica gel carbon powder layer and a porous silicone rubber layer of which the impedance values are gradually reduced from large to small, and a through hole is formed in the center of the impedance wave-absorbing layer; the through hole penetrates through the upper lining layer to form an upper inner layer facing the inner cavity of the box body; the damping resonant cavity is formed after a gap between the lower surface of the porous silicon rubber layer and the upper surface of the upper lining layer is sealed at the side edge; the input vibration acquisition plate is embedded into a groove which is sunken downwards from the upper surface of the impedance wave-absorbing layer and is used for receiving and conducting input vibration containing heart vibration waves and environmental interference waves; and the vibration wave sensor is connected with the lower surface of the input vibration acquisition plate through a magnetic connecting piece, is arranged in the inner cavity of the box body and is used for receiving heart vibration waves.

A wireless communication network performs multi-static radar operations, including operating multiple access points as geographically-diverse radar transmitters that transmit illumination signals, for illumination of a target region, and an example User Equipment (UE) operates as a radar receiver with respect to the multi-static radar transmission. The network may perform multi-static radar operations on demand, for power savings and interference reduction, and UEs may indicate particular radar-sensing needs or capabilities when requesting multi-static radar operation, for consideration by the network when configuring the corresponding illumination-signal transmissions.

The invention discloses an anti-interference strong-robustness high-precision differential positioning method which is applied to real-time dynamic differential positioning of a Beidou No.3 receiver in a complex electromagnetic environment. Comprising the following steps: step 1, performing gross error combined processing: a, forming an LI combined observation value and an MW combined observation value by using double-difference phase observation values and double-difference pseudo-range observation values on B1 and B3 respectively; according to the method, a staged combined processing strategy is innovatively adopted, in the preprocessing stage, large gross errors are accurately eliminated through a median method (with the formula: XiM formula > k * MAD as the criterion, k = 5), and interference can be reduced from the source; in the parameter calculation stage, robust estimation iteration is only carried out on the residual small gross error, limitation of a single standard is avoided, the calculation amount is greatly reduced, balance of gross error processing effectiveness and real-time performance is achieved, and support is provided for efficient operation of an embedded processor.

The invention relates to the technical field of concentration detection, in particular to a separation gel concentration real-time detection method and system.The method comprises the following steps that on the basis of input parameters of detection signals, multi-dimensional characteristic values of concentration detection signals are extracted, normalization processing is carried out on signal values in combination with gel matrix characteristics, and the concentration of the separation gel is obtained; after interference values are removed, linear variation and fitting degree calculation are carried out on the feature combination, and a concentration feature representation value is generated. According to the method, the weight is adjusted by combining abnormal deviation value extraction with a sparsity constraint rule, redundant features are optimized, and the influence of interference factors on a result is remarkably reduced. Through combination of nonlinear concentration interval weight distribution and dynamic weighting operation, concentration distribution fitting precision and adaptability in a complex environment are improved. By re-screening decoding parameters and iterative calculation, the accuracy and stability of a concentration distribution decoding result are ensured, a macroscopic trend value and a microcosmic difference value are integrated through multi-scale calculation, and the dynamic adaptability and data analysis depth of concentration prediction are remarkably improved.

A sensor multifunctional Bluetooth food probe is provided; a first sensor is provided at a front end of a probe body tube and configured to measure food temperature; the first sensor is connected to a PCB board and a main control circuit through first and second wires, the probe body tube is provided with a first charging electrode; a second sensor is provided at one end of a handle and configured to measure an environmental temperature; the second sensor is connected to the PCB board and main control circuit through third and fourth wires; the handle serves as an antenna or a second charging electrode; a switching circuit is configured to switch the third and fourth wires to a charging module or a temperature measurement module. In this application, the antenna is externally mounted and has fewer internal wires to reduce interference signals.

The invention provides a potential collision detection and optimization method for processing path trajectory simulation, which generates a virtual boundary through an ultrasonic dynamic sound field, and adjusts the shape of the boundary in real time to adapt to workpiece and environment changes. And a multi-path signal fusion and adaptive filtering technology is adopted, so that the detection precision is improved, and interference is reduced. Early warning and safety protection are realized through double-layer virtual boundary design; and the path is dynamically optimized by combining heuristic search and a fast path planning algorithm, and the collision avoidance requirement and the processing efficiency are balanced. Deep learning and reinforcement learning models are introduced, and self-adaptive optimization is performed on boundaries and paths based on historical data and real-time feedback. The method is suitable for multi-axis linkage machining and complex curved surface machining, and has high precision, strong anti-interference capability and wide applicability.

A first wanted signal beam is formed at a multi-element antenna array to receive a first wanted signal having a first and second sub-carrier, each having known transmitted modulation, and the subcarriers are combined using a first linear relationship determined to reduce a component of the wanted signal. A first orthogonal beam is formed that is orthogonal to the first wanted signal beam, and a first subcarrier received in the first orthogonal beam corresponding in frequency to the first subcarrier of the first wanted signal is combined, using the first linear relationship, with a second subcarrier received in the first orthogonal beam corresponding in frequency to the second subcarrier of the first wanted signal. The linear combinations are processed to generate weights, which are applied to interference received in the first orthogonal beam to produce weighted interference which is combined with the received first wanted signal to reduce interference.

An antenna system is described. A main antenna can be used to receive a first signal, a first auxiliary antenna can be used to receive a second signal from a first intended interference direction. An adjustment unit receives the second signal and is used to adjust the second signal. A combiner unit receives the first signal and the adjusted second signal and is used to combine the adjusted second signal with the first signal to reduce any impact of the second signal on the first signal.

Method for providing reduced interference for at least two co-located FMCW (Frequency Modulated Continuous Wave) Doppler radars, each of said radars being used in a system to detect respective distances to and velocities of objects moving through space, can include a propagation determination step, in which expected electromagnetic wave propagation times are determined between pairs of radars; a sweep time offset synchronizing step, in which different respective sweep time offsets are selected, with respect to each radar in a first group of radars; and a sweep frequency offset synchronizing step, in which a second sweep frequency offset is selected with respect to a second group of radars, the second sweep frequency offset being relative to a sweep frequency pattern used for radars belonging to said first group. The invention also relates to a system and to a computer software product.

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.

The invention discloses a human eye fixation point prediction method based on a deep convolutional network and frequency domain feature enhancement, and the method comprises the steps: employing the deep convolutional network (namely a residual network ResNet) as a backbone network to form an encoder branch, and employing five layers of coding blocks to extract the spatial features of five layers of an input image; the five layers of spatial features extracted by the encoder are respectively sent to a frequency domain feature enhancement module for frequency domain feature enhancement based on discrete cosine transform (DCT) so as to enhance the features of each layer of human eye fixation area and reduce interference features; sending the frequency-domain-enhanced characteristics of each level into a decoding block of a corresponding layer of a decoder branch, and carrying out decoding and spatial up-sampling operation in sequence from a high layer to a low layer; and the output of the last decoding block of the decoder branch is subjected to 1 * 1 convolution and double up-sampling to obtain a human eye fixation point prediction result. According to the method, frequency domain feature enhancement and sequential decoding from a high layer to a low layer are carried out on the spatial multi-layer convolution features extracted by the backbone network, so that the human eye fixation point prediction precision is improved.

An interference reduction device is provided. The interference reduction device may include a magnetic shield positioned in proximity of a magnetic field. The magnetic shield is configured to reduce interference on the magnetic field along the direction of the magnetic field. The magnetic shield may include a cutout approximately parallel to the direction of the magnetic field, the cutout is configured to reduce a distortion caused by the magnetic shield on the magnetic field.

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.

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.

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).

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.

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.

The invention relates to the technical field of communication systems, in particular to a dense heterogeneous network inter-cell interference coordination and load balancing method based on a graph neural network, which comprises the following steps of: taking a user terminal as a first type of node; taking the base station as a second type node; constructing a heterogeneous edge based on the user-base station association relationship and the interference relationship between the base stations; outputting a heterogeneous network diagram fusing the spatial-temporal characteristics of the service; inputting the heterogeneous network graph into a dual-channel graph neural network model, wherein the dual-channel graph neural network model comprises an interference coordination channel and a load balancing channel; performing cross-base-station orthogonal distribution on the frequency spectrum units with the gain values higher than a preset gain threshold value; and migrating the users to the first available base station in the target base station sequence in batches according to the priority. According to the method, spectrum coupling weight is introduced through spectrum sensing graph convolution to calculate frequency point level interference reduction potential, user graph embedding, bandwidth fluctuation ratio and spatial information are fused based on an attention mechanism to generate a migration path, and bidirectional mining of multi-source heterogeneous features is realized.

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.

An electronic device (communication device) including a reflecting member having a reflecting surface that causes electro-magnetic waves emanating from a predetermined part of the electronic device in a predetermined radiating direction to be reflected in a direction other than the radiating direction.

Analyte sensors are being increasingly employed for monitoring various analytes in vivo. Analyte sensors may feature enhancements to address signals obtained from interferent species. Some analyte sensors may comprise a working electrode comprising an active area disposed thereon and electrode asperities laser planed therefrom. Some analyte sensors may comprise an interferent-reactant species incorporated therewith. Some analyte sensors may comprise an interferent scrubbing electrode. Combinations of these enhancements may additionally be employed.

The invention discloses an anti-harmonic current test method for a residual current type electrical fire monitoring detector, and relates to the technical field of detector current measurement. According to the method, the initial residual current and the harmonic state of a detector are monitored firstly, the output interference is analyzed, the qualification is judged, if the output interference is qualified, a high-level proportion signal is extracted, and if the output interference is not qualified, a filter element is adjusted for noise reduction; then, under multi-harmonic superposition, the capturing real-time performance of instantaneous fluctuation of the high-level signal is analyzed, and whether the harmonic frequency is optimized or not is judged to reduce interference; and finally, quantifying the harmonic suppression effect, and judging whether the anti-harmonic current test is completed or not. From initial state monitoring to interference suppression effect quantification and multi-link optimization verification, the anti-interference capability of the detector in a complex harmonic environment is effectively improved, the problem of low harmonic current resistance of the detector is solved, it is ensured that the detector can accurately detect residual current under harmonic interference, and the risk of false alarm or missing alarm of electrical fire is reduced.

To achieve both improved visibility in an optical laminate, including suppression of interference unevenness, and enhanced flex resistance.SOLUTION: A retardation laminate includes, in this order, a first liquid-crystal retardation layer, a second adhesion layer having a thickness of 20-200 nm, and a second liquid-crystal retardation layer. The peel strength between the first liquid-crystal retardation layer and the second liquid-crystal retardation layer is at least 0.20 N / 25 mm.SELECTED DRAWING: Figure 1

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.