1745 results about "Crosstalk" patented technology

The invention discloses a radiator micro-channel structure integrity detection method based on acoustic measurement, and relates to the technical field of information, the method couples acoustic propagation measurement with density inversion and particle transport observation, firstly screens a key observation object according to density gradient change, and then constructs a hydrodynamic equilibrium graph by using auxiliary particle flow, and finally obtains the structural integrity of the radiator micro-channel. And channel-by-channel difference is carried out with reflection measurement of standard acquired data, so that defects are indicated by three domains of energy, time and space together. According to the closed-loop link, the sensitivity to tiny blockage, slight deformation and early crosstalk is remarkably improved, the false alarm rate that single measurement is easily influenced by noise and working condition fluctuation is reduced, fine positioning of channel-level abnormal positions and ranges is achieved, and the closed-loop link is suitable for high-resolution detection of dense micro-channel arrays without disassembly or destructive operation.

The invention relates to a naked eye 3D binocular image acquisition and real-time processing system based on hardware synchronous triggering, and belongs to the technical field of image processing and three-dimensional display. According to the system, a hardware synchronous triggering mechanism is adopted, a time sequence synchronous control unit is used for sending a synchronous pulse signal to a binocular image sensor, and strict synchronization of left and right viewpoint image acquisition is ensured. The image signal processing unit processes collected original data, the stereo parallax correction module performs epipolar correction, and the sub-pixel interleaving module generates a composite view frame according to grating parameters of the display terminal. The system realizes high-speed data transmission through a double-buffer direct memory access DMA mechanism. The problems of visual tearing and weak stereoscopic impression caused by asynchronous binocular image acquisition in the prior art are solved, nanosecond-level synchronization precision is realized, optical crosstalk is reduced, and smoothness and comfort of stereoscopic display are ensured.

An optical frequency domain reflectometer with environmental disturbance resistance and large strain measurement capability belongs to the field of distributed optical fiber sensing and comprises an opposite sweep frequency light frequency modulation continuous wave signal generation module, a light splitting device, a modulation device, a circulator, a polarization controller, an optical coupling device, a photoelectric conversion module and a data acquisition and processing module. An optical signal generated by an opposite sweep frequency light frequency modulation continuous wave signal generation module is divided into probe light and local oscillation light through a light splitting device, the probe light is modulated through a modulation device and sent to an optical fiber through a circulator, and a Rayleigh back scattering light signal generated by the optical fiber and the local oscillation light interfere in an optical coupling device to obtain interference light; the photoelectric conversion module mixes beat frequency signals of interference light, and the data acquisition and processing module analyzes and processes the beat frequency signals. According to the invention, the position information of the Rayleigh backscattering point is marked by using the modulated probe light, the Rayleigh scattering signal at the corresponding position is restored, crosstalk between channels is inhibited, and high-precision measurement in a large dynamic range and resistant to environmental disturbance is realized.

The invention discloses a quick response flexible temperature sensor with low thermal crosstalk and a preparation method thereof. The sensor comprises a contact layer, a sensing layer, an electrode layer and a substrate layer, wherein the contact layer comprises a heat conduction layer and a heat insulation network; the heat-conducting layer is made of a heat-conducting composite material and comprises polydimethylsiloxane and flake carbon powder; the heat insulation network and the substrate layer are made of a heat insulation composite material which comprises polydimethylsiloxane and hollow glass microspheres; the sensing layer comprises a plurality of sensing units arranged in an array, the sensing units are connected with the electrode layer and output resistance signals, the heat conduction layer and the substrate layer are arranged over and under the sensing units respectively, and the heat conduction and heat insulation synergistic structure can enhance the quick response of the sensing units to the temperature; a thermal insulation network is embedded in the contact layer to block thermal crosstalk between adjacent sensing units. The temperature sensor has the advantages of quick response, low thermal crosstalk and high reliability in a wide range, and large-scale production and preparation can be realized.

The invention discloses a visible light hyperspectral measurement method based on multispectral sensing, and belongs to the technical field of spectrum detection. According to the method, visible light eight-channel data is collected through a multispectral sensor, after optical crosstalk correction and filtering preprocessing, key principal components are reserved through PCA dimension reduction, a multispectral and hyperspectral mapping model is constructed through an SVR algorithm, and finally the hyperspectral reflectivity is reconstructed through PCA inverse transformation. The problems that traditional hyperspectral equipment is high in cost and poor in portability are solved, low-cost and high-precision visible light hyperspectral measurement is achieved, and the device and the method can be widely applied to food freshness detection, agricultural product quality evaluation and other scenes.

The application relates to the technical field of display panels, and discloses a display panel, a display screen and electronic equipment. The CGL of the display panel comprises N-CGL, i-CGL and P-CGL which are stacked in sequence. The LUMO energy level of the organic material corresponding to the i-CGL is less than or equal to -3.5 eV, and the work function of the inorganic material corresponding to the i-CGL is greater than or equal to 3.5 eV. In particular, the Fermi energy level of the i-CGL is lower than that of the P-CGL host material, and the thickness of the i-CGL can be any value less than or equal to 15 nm (especially less than 5 nm). In this case, the charge generation capability of the N-CGL, the i-CGL and the P-CGL in the direction parallel to the thickness of the CGL is improved, the sheet resistance in the direction perpendicular to the thickness of the CGL is greater than 1 GΩ / Dia, the sub-pixel can realize high-efficiency and low-power-consumption light emission, the voltage value obtained by voltage division from the driving voltage of another sub-pixel is small, and the crosstalk between the sub-pixels is reduced or even eliminated.

The invention discloses a preparation method of a photoelectric co-packaging CPO glass substrate and the CPO glass substrate. The method comprises the following steps: providing a glass substrate with two preset photon integration (PIC) areas and an electronic integration (EIC) area; for each glass substrate, manufacturing a TGV through hole and a blind groove in a PIC area and an EIC area; the two glass substrates are attached face to face to form a glass substrate stacking body, and the butt joint blind grooves form micro-channels for heat dissipation medium flowing; cutting the glass substrate stack to obtain a first part corresponding to the PIC region and a second part corresponding to the EIC region; functionalizing the TGV through holes of the two parts to obtain a first module and a second module; and integrating the two modules on a common glass substrate to form the CPO glass substrate. According to the method, low-loss optical coupling and high-density electrical interconnection are realized in the same layout, crosstalk and reflection are reduced, and signal integrity and bandwidth are improved; and meanwhile, the heat management efficiency and reliability are optimized, and the requirements of EIC heat dissipation and PIC temperature control are both considered.

The invention provides an on-chip terahertz band-pass filter based on an artificial surface plasmon high-order mode, and the on-chip terahertz band-pass filter comprises a dielectric substrate, a feed microstrip line, a first transition structure, a short-branch artificial surface plasmon transmission region, a second transition structure, and a long-branch artificial surface plasmon transmission region. Feed microstrip lines are arranged at the two ends of the front face of the dielectric substrate respectively, each feed microstrip line is sequentially connected with a first transition structure, a short-branch artificial surface plasmon transmission area and a second transition structure, and a long-branch artificial surface plasmon transmission area is located in the middle of the front face of the dielectric substrate. Two ends of the long branch artificial surface plasmon transmission region are respectively connected with a second transition structure, and the whole back surface of the dielectric substrate is covered with a metal layer as a metal ground; the wide-stop-band microstrip antenna has the advantages of being wide in stop band, easy to machine, small in transmission loss and small in crosstalk, does not need punching operation, and is convenient to machine.

The embodiment of the invention provides a compensation signal phase calibration method and device, electronic equipment and a storage medium. According to the scheme, the method comprises the following steps: obtaining a first excited state probability and a preset phase according to multiple times of Ramsey experiments executed under a first test condition; based on the first excited state probability and the preset phase corresponding to each Ramsey experiment, fitting to obtain an optimal fitting phase of the target compensation signal corresponding to the second quantum bit; obtaining a second excited state probability and a second crosstalk coefficient according to multiple times of Ramsey experiments executed under a second test condition; and fitting based on the second excited state probability and the second crosstalk coefficient corresponding to each Ramsey experiment to obtain a target phase of the target compensation signal. Through the technical scheme provided by the embodiment of the invention, the calibration of the compensation signal phase corresponding to the quantum bit is realized, and the complexity of the compensation signal phase calibration process is reduced, so that the automatic calibration of microwave crosstalk in a large-scale quantum processor is facilitated.

The invention relates to the technical field of encoder communication interface circuits, in particular to a multi-protocol encoder communication interface circuit based on hardware configuration, which comprises a core control and protocol processing module, a hardware configuration and mode recognition module, an RS-485 differential driving and receiving module and an interface protection circuit module. In the invention, the problems that the hardware cost is high, the PCB layout is complicated, the overall size of the system is increased, the types of connectors are diversified and the wiring difficulty is increased due to the fact that an independent physical interface circuit needs to be independently designed for each protocol such as BISS and Tamagawa or a special integrated chip with a solidified factory function is adopted in the existing scheme are thoroughly solved; and meanwhile, the problems that chips need to be replaced or hardware needs to be redesigned and the configuration flexibility is poor in the protocol updating of an existing scheme are solved, the time sequence conflict risk existing in software dynamic switching protocols is avoided, and the defects that a traditional circuit is poor in surge resistance, signal crosstalk is caused and debugging and maintenance are complex are overcome.

The invention discloses an orchard unmanned aerial vehicle multispectral image noise restoration method based on a generative adversarial network, and relates to the technical field of multispectral image noise restoration, and the method comprises the steps: synthesizing a noisy sample containing stripes, photon particles, thermal noise, Rayleigh, shielding, compression artifacts, overexposure and waveband crosstalk on a noise-free reference image through a conditional generative adversarial network; a crosstalk matrix T obtained through optical calibration is introduced; based on the canopy / soil / sky semantic partition, main-cooperation-subdivision level superposition is implemented; generating hierarchical labels by taking energy conservation consistency and thermal noise correlation as thresholds; a branch and region self-adaptive repair module corresponding to classification is arranged in the image-to-image generative adversarial network, and joint loss training containing T regularization is adopted; and outputting the repaired image subjected to physical consistency checking. The method gives consideration to visual quality and spectral fidelity, inhibits cross-band pollution, improves the stability of indexes such as NDVI and NDRE, and is suitable for precision agricultural monitoring.

The present disclosure relates to the technical field of audio control. Provided are a computer-implemented method for audio control, and an electronic device and a storage medium. The computer-implemented method for audio control comprises: on the basis of a specified measurement signal, performing acoustic effect testing on a target space, in order to obtain environmental response information, wherein the environmental response information comprises impulse response information and post-separation impulse response information; analyzing the environmental response information, in order to obtain acoustic characteristic information of the target space; on the basis of the acoustic characteristic information, performing compensation processing on audio to be processed, in order to obtain regulated audio; regulating gains of multiple channels corresponding to the regulated audio, in order to obtain re-regulated audio; and performing multi-channel collaborative optimization processing on the re-regulated audio, in order to obtain audio having a target effect. The method achieves precise compensation for spatial acoustic defects, resolves inter-channel crosstalk, improves the acoustic image localization and spatial perception, significantly improves the perceptual audio quality, and optimizes an output.

The invention discloses an electric energy metering box leakage protection switch trip detection method, which comprises the following steps of: when power failure is detected, generating event context data under the constraint of limited energy based on multi-mode original data, execution energy and buffer combined arrangement; executing short window early warning analysis to obtain an early warning trigger instruction and an early warning feature set; and responding to the early warning trigger instruction, constructing a transient fingerprint and executing parallel crosstalk decoupling to obtain a transient fingerprint and decoupling conclusion. The fingerprint construction adopts logarithmic time scattering fingerprint and electric arc physical fitting, and the decoupling adopts geometric constraint sparse chromatography decoupling to identify a responsibility loop. And fusing the transient fingerprint, the decoupling conclusion and the early warning feature set, applying a multi-modal time sequence consistency constraint, and forming a tripping conclusion and a leakage protection type suggestion. According to the method, the technical problems of loss of evidence at the moment of tripping power failure and strong crosstalk of parallel loops are solved, the responsibility loop can be positioned with high confidence, and interpretable tripping mechanism diagnosis and type suggestions are provided.

The invention relates to the technical field of power distribution terminals, and discloses a power distribution terminal automatic joint debugging function integrity and reliability test system, which comprises a co-simulation module for performing closed-loop coupling on a virtual power grid and a tested terminal through deterministic time control and generating a reproducible working condition; the scene arrangement module is used for realizing automatic switching and rollback of cross-domain scenes based on transactional snapshots; and the communication module is used for executing a consistency test on multiple protocols and injecting delay jitter, packet loss and clock drift. The functional integrity and reliability test system for the automatic joint debugging of the power distribution terminal aims to solve the problems of lack of deterministic time control of cross-domain cooperation and insufficient guarantee of state consistency in a digital twin test method. The problems that a test result cannot be reproduced, crosstalk misjudgment is caused by state non-atomicity consistency during multi-scene switching, and faults are difficult to reproduce due to lack of time determinacy replay capability are solved.

The invention discloses a capacitive flexible sensing array based on an FPC technology and a preparation method thereof, PVDF-TrFE and ionic salt [BMIM / Br] in a specific mass ratio are prepared into an ionic thin film dielectric layer under the action of a cross-linking agent, and a specific rectangular pyramid microstructure is given to the ionic thin film dielectric layer through a microneedle structure mold; and an upper electrode layer and a lower electrode layer for channel multiplexing are prepared in combination with an FPC technology, and finally the sensing array is packaged through vacuum hot pressing bonding. The core innovation of the invention lies in that through the synergistic effect of the ion double electric layer effect, the microstructure stress concentration and the FPC electrode multiplexing design, ultrahigh sensitivity (0-20kPa interval sensitivity gt, 30kPa) and low crosstalk (array crosstalk rate lt, 5%) are realized at the same time. The local deformation characteristic of the microneedle structure effectively restrains edge electric field diffusion, the crosstalk problem of a high-density array is solved from the physical structure, and a key technology is provided for application of flexible electronics in the field of precise tactile perception.

The invention belongs to the field of power device driving, particularly relates to the technical field of crosstalk suppression, and more particularly relates to a crosstalk suppression driving circuit. Through cooperative work of the driving module, the detection module, the buffering module and the clamping module, crosstalk is effectively suppressed while the switching speed is ensured. The driving module ensures normal switching action of the power device; the detection module converts the drain voltage change rate into a detection signal in real time, and recognizes the crosstalk risk in advance; the buffer module suppresses forward crosstalk by absorbing grid forward voltage spikes; the clamping module immediately conducts a low-impedance path from the grid electrode to the negative power supply when the detection signal exceeds a threshold value, and negative crosstalk is quickly eliminated. According to the design, the suppression circuit is only activated when the voltage change rate exceeds the standard, switching delay caused by a traditional fixed buffer circuit is avoided, accurate and rapid crosstalk suppression can be achieved, and finally the suppression effect and the system reliability are remarkably improved while the high-speed switching performance is maintained.

The invention provides an inter-channel crosstalk suppression method in a multi-channel optical module, which aims at the problems of inter-channel interference and signal overlapping caused by wavelength shift in the multi-channel optical module, calculates the wavelength shift by adopting a proportional integral differential control method through collecting the reading of a temperature sensor and the output wavelength data of a laser device in real time, and finally suppresses the crosstalk in the multi-channel optical module. The threshold value is dynamically adjusted in combination with the environment temperature change, and the interference risk index is quantified; the wavelength drift trend is extracted through time sequence analysis, the channel interval adjustment logic is optimized, the filter bank is dynamically configured to improve the signal purity, meanwhile, the wavelength parameter is corrected through the offset compensation value, and the stability is ensured. If the transmission quality requirement is met, configuration parameters are locked, a correction model is matched and optimized through historical data, potential risks are predicted in combination with state estimation filtering, and the logic adaptability is enhanced and adjusted. According to the invention, efficient correction of wavelength drift and interference minimization are finally realized, and the transmission quality and operation stability of the multi-channel optical module are improved.

The invention provides a terminal module and a high-speed cable connector, and belongs to the field of connecting devices. The terminal module comprises an insulator, a signal terminal and shielding sheets, the shielding sheets on two sides of the insulator are provided with shielding tongue sheets which extend to opposite sides and are in one-to-one correspondence, the insulator is provided with accommodating holes or accommodating grooves for accommodating the shielding tongue sheets, and the corresponding shielding tongue sheets on the two shielding sheets are in direct contact conduction or are in indirect conduction through a conduction piece. The shielding tongue pieces are located between the adjacent differential pairs, the thickness direction of the shielding tongue pieces is the same as the arrangement direction of the differential pairs, and the shielding tongue pieces partially or completely shield the adjacent connecting ends in the arrangement direction of the differential pairs. The high-speed cable connector comprises the terminal module. According to the terminal module, the corresponding shielding tongue pieces on the shielding pieces on the two sides of the terminal module are clamped and conducted through the connecting clamps, shielding is provided between the adjacent differential pairs, shielding blind areas in the terminal module are eliminated, and crosstalk between the differential pairs is reduced.

The invention discloses a high-level geological disaster chain monitoring node deployment method based on a wireless ad hoc network, and relates to the technical field of geological disaster monitoring and early warning, and the method comprises the following steps: S1, obtaining interference characteristics through a time-frequency observation layer triggered by an earthquake, and building a time baseline; s2, identifying a cross-channel coupling relationship according to the energy spectrum and the drift baseline, and determining sensitive nodes; s3, reconstructing a convergent path by replacing a distortion channel with a shadow link; s4, constructing a time stack and suppressing routing oscillation by a hysteresis gate; s5, generating a time-varying virtual impedance route according to the time stack to realize peak shifting stable forwarding; and S6, completing broken-loop control of residual crosstalk through inverse phase traction and the metasurface antenna, and finally enabling the network to maintain long-term stable operation. According to the method, stable convergence and closed-loop regulation and control of the ad hoc network are realized through interference feature extraction, path reconstruction, time stack hysteresis vibration suppression, virtual impedance peak shifting forwarding and inverse phase broken-loop interference control.

The invention discloses a method and a system for detecting internal defects of a bathroom glass door based on multispectral imaging. The method comprises the following steps: carrying out multi-view and multiband image acquisition on the bathroom glass door by adopting a combined spectrum light source; performing adaptive reflection correction on the acquired image to generate a multi-band basic image; optimizing the multi-band basic image through a hybrid denoising algorithm to generate a multi-band detection image; performing multi-modal feature extraction and fusion on the multi-band detection image to obtain a multi-modal fusion feature vector, inputting the multi-modal fusion feature vector into a multi-feature fusion model combining a convolutional neural network and a support vector machine, and identifying and grading defect types by adopting a dual-stage feature enhancement-classification architecture; and outputting a defect type and severity grading result to a terminal in real time. The method is used for solving the technical problems of visual angle and spectrum blind areas, insufficient interference suppression capability, wave band crosstalk, feature deficiency and poor small sample generalization in existing bathroom glass door defect detection.

The invention discloses a magnetic flux regulation crosstalk calibration method for quantum bits, and relates to the technical field of quantum, and the method comprises the steps: S1, obtaining an initial calibration parameter of a target quantum system through employing an initial crosstalk matrix; s2, generating a plurality of groups of random magnetic flux configuration signals containing magnetic flux regulation and control values by using the initial crosstalk matrix; s3, constructing a modified crosstalk matrix by using the random magnetic flux configuration signal; and S4, acquiring a correction calibration parameter by using the correction crosstalk matrix, performing error evaluation, if the error evaluation is met, completing correction, and if the error evaluation is not met, returning to the step S2. Compared with the prior art, the method has the advantages that the frequency offset matrix is constructed, the crosstalk matrix is corrected, and the corrected crosstalk matrix is generated by using the quasi-Monte Carlo method and the frequency offset matrix, so that the high sampling complexity in direct proportion to the square of the bit number in two-dimensional spectrum scanning is avoided; the method has the advantages of improving the calibration precision and reducing the complexity of a phase measurement experiment process.

The invention relates to a virtual network mapping method based on double-agent reinforcement learning in a space division multiplexing elastic optical network, belongs to the technical field of communication, and aims to solve the problems of multidimensional resource allocation complexity, fiber core crosstalk and spectrum fragmentation in the space division multiplexing elastic optical network. According to the technical scheme, collaborative optimization mapping is carried out on virtual network requests by setting a link fiber core mapping agent and a frequency spectrum mapping agent, and the collaborative optimization mapping comprises the steps of initializing an underlying optical network topology and a virtual network topology, sorting virtual network sets according to the total bandwidth of the requests, embedding virtual links in a descending order, and executing physical node embedding and path searching. And the intelligent agent selects a link fiber core and spectrum allocation based on the network state feature matrix, and a model is trained through a reward mechanism to realize efficient resource matching. The technical effects are that the real-time performance and efficiency of virtual network mapping are obviously improved, the service blocking rate is reduced, the spectrum resource utilization rate is optimized, and the overall load capacity of the network is enhanced.

According to the image sensor manufacturing method based on the guided self-assembly technology, the guided self-assembly technology is applied to a deep groove patterning process on the back face of a wafer and is combined with a photoetching technology, so that compared with a traditional deep groove patterning process utilizing a PTD or NTD photoetching technology, the deep groove patterning process has the advantages that the deep groove patterning process is simplified; according to the invention, the resolution limit of the photoetching technology can be broken through, the pixel pitch can be reduced, the cost advantage and the pixel density can be improved, the pixel resolution can be greatly improved, the edge roughness of the deep trench isolation pattern of the pixel can be improved, and the signal crosstalk between the adjacent pixels can be reduced.

According to the two-dimensional semiconductor stacked device structure and the preparation method thereof provided by the invention, three-dimensional vertical stacking of a two-dimensional semiconductor device is realized through a bonding process of the first interlayer dielectric layer and the second interlayer dielectric layer; the common problems of organic residue introduction, material wrinkling and breakage and the like in a traditional two-dimensional semiconductor film transfer process are effectively solved, so that the integrity and long-term working stability of a stacked structure are remarkably enhanced. Meanwhile, a dielectric layer of a bonding interface is utilized to construct an efficient interlayer isolation barrier, efficient electrical isolation between two two-dimensional semiconductor layers is achieved, the crosstalk problem of threshold voltages in an existing stacking framework is solved, independent and accurate adjustment of the threshold voltages of upper and lower layer transistors is achieved, and higher flexibility is provided for device performance optimization.

The invention provides a brain electrical stimulation control method and device, a medium and computer equipment, and the method comprises the steps: setting an electrical stimulation period time signal through a local control module, and dividing the electrical stimulation period time signal into a stimulation stage, a window stage and a recovery stage with continuous time periods; in the stimulation stage, an electrical stimulation signal with preset parameters is output through the time-multiplexed electrode slice; in the empty window stage, disconnection or hardware protection is carried out on the electrode slices to shield crosstalk of stimulation signals to an electroencephalogram acquisition channel; in the recovery stage, electroencephalogram signals are collected and subjected to suppression algorithm processing to eliminate residual artifacts, and in the recovery stage, the collected electroencephalogram signals are subjected to suppression algorithm processing to eliminate residual low-frequency artifacts of electrode capacitance. The problems of hardware redundancy and artifact interference of an existing electrical stimulation system are effectively solved, and accuracy and safety are improved.

The invention belongs to the technical field of electroluminescent fiber devices, and particularly relates to a dynamic color-changing electroluminescent fiber device and a preparation method thereof. The electroluminescent fiber device comprises a three-color electroluminescent fiber and a driving control circuit, the three-color electroluminescent fiber comprises an inner electrode conductive fiber, an outer electrode conductive fiber, three luminescent functional layers and a shared electrode; the driving control circuit comprises a lithium battery, an FPGA (Field Programmable Gate Array), an isolation inversion boost module and the like; the lithium battery supplies power to the whole circuit; the circuit system provides four independent output ports which are connected with the four electrodes; the three light-emitting functional layers are of a stacked structure formed by red, green and blue light-emitting active slurry through a step-by-step coating method, and the driving circuit independently controls the active light-emitting layers of the three colors, so that the light-emitting colors are free of crosstalk and can be regulated and controlled in real time, and dynamic color-changing light emitting of full-color-gamut light emitting is achieved. The color gamut is wide, the stability is high, and color crosstalk between the light-emitting layers is avoided; the method is good in repeatability, low in cost and suitable for industrial production.

The invention discloses a data error rate reduction method for a memory, and relates to the technical field of memorizers, the method comprises the following steps: classifying a single event causal chain into three types of error codes of a physical degradation type, a crosstalk type and an environmental interference type, and screening a core feature subset through frequency statistics and mutual information analysis; utilizing the sparse feature capsule network to predict the bit error rate, generating a pulse parameter dynamic model in combination with the two-dimensional emergency degree matrix, and adjusting the pulse amplitude and width; and delimiting an error code field through physical connection relevance, and implementing dual-stage repair. According to the method, accurate error code classification, dynamic feature screening and targeted repair are realized, and the reliability of the memory is improved.

The invention discloses an automatic test system for detecting an IO port on an MCU controller, and particularly relates to the technical field of automatic test and hardware-in-the-loop verification, the system takes a TSMaster as an upper computer, a programmable power supply, a digital multimeter and a controllable relay matrix are combined, and input injection, output measurement and controlled power supply disturbance are realized through a CAN / Ethernet / SCPI. The system comprises an input injection and channel switching module, an output drive and high-resistance isolation module, a power supply disturbance and alarm verification module, a unified acquisition and self-calibration compensation module, a criterion evaluation / report module, a regression module and the like, completes alignment and online small signal calibration and crosstalk compensation under a unified time base, constructs a minimum evidence unit, and implements interval criterion and time sequence robustness evaluation. And outputting an auditing report and triggering regression scheduling to realize high coverage of IO port functions and boundary working conditions and repeatable verification.

According to the method, a cavity black body and a diaphragm hole form an infrared light source, coarse adjustment of a two-dimensional displacement mechanism and fine adjustment of a three-dimensional high-precision displacement mechanism are combined, and an imaging optical system and a narrow-band filter are matched, so that the crosstalk test of a detector with the pixel spacing of 15 microns and below is realized. Through multi-area sampling, multi-band coverage testing and weighted average data processing, the problem that a traditional small-light-spot system is limited by optical diffraction limits is effectively solved, the testing accuracy is remarkably improved, the deficiency of a crosstalk detection method of a small-pixel infrared focal plane detector is overcome, detector evaluation means are enriched, and the detection efficiency is improved. The method is suitable for performance evaluation of infrared imaging system core devices.

The invention relates to the technical field of transformers, in particular to a signal transformer for multi-path signal coupling of a low-voltage power grid, the signal transformer comprises a magnetic core, an inlet wire winding and an outlet wire winding, efficient electromagnetic coupling and isolation of multi-path signals are achieved through the magnetic core, and a main control chip can send control signals to equipment through a driver and a coupling winding. And receiving an equipment feedback signal. The system can extract characteristics of a control signal and a feedback signal in real time, dynamically calculate a comprehensive crosstalk index, and adaptively adjust parameters of a receiving filter and a driver according to the comprehensive crosstalk index, so that signal crosstalk caused by physical coupling among multiple channels is effectively inhibited. According to the scheme, the structure is simplified, the system cost is reduced, the communication quality and the anti-interference capability of multiple paths of signals in a low-voltage power grid are remarkably improved, and the system is suitable for multiple occasions such as high-reliability power line communication.