214 results about "Continuous signal" patented technology

The invention provides an intelligent inspection operation robot, which comprises a self-adaptive interaction assembly for collecting unstructured features in an inspection environment of the inspection operation robot in real time, converting continuous signals of the unstructured features into discrete interaction decision nodes, and generating an interaction parameter set capable of being iteratively optimized through a cross validation mechanism; the autonomous intention analysis component constructs a probabilistic decision-making program based on implicit features of an operator behavior track of the inspection operation robot, extracts a potential mode of an operation intention through nonlinear correlation analysis in combination with an interaction parameter set, and recognizes an interaction demand which is not clearly expressed; and the collaborative response component constructs a response decision mechanism with self-organizing characteristics, and jointly inputs an interaction parameter set and an interaction demand into the response decision mechanism by establishing a dynamic association rule between different interaction channels of the inspection operation robot and an operator to generate a composite interaction scheme. According to the method, the composite interaction scheme comprehensively considering multiple factors can be generated.

The invention provides a scroll compressor cross ring dynamic strain wireless measuring device, which relates to the technical field of compressor state monitoring and comprises a high-temperature-resistant strain gauge, a wire fixing system and a wireless sensor. Wherein the high-temperature-resistant strain gauges are respectively attached to stress sensitive areas of a static key, a ring beam and a movable key of the cross ring every time; the wire fixing system comprises a three-stage fixing structure formed by an adhesive, an internal wire, an external wire and an internal binding post; the three stages of fixing structures are a strain gauge end fixing structure, a lead transition section fixing structure and a binding post end fixing structure in sequence; the high-temperature-resistant strain gauge is connected with the wireless sensor through an internal wire, a binding post and an external wire, and continuous signal collection is achieved. By implementing operation according to the technical route, the impact load borne by the cross ring at the moment of starting and stopping of the compressor can be collected in a high-quality mode, data collection in a closed cavity is achieved, and an experimental basis is provided for subsequent strength design of the cross ring.

The invention discloses a non-natural earthquake phase identification method based on image processing, and relates to the technical field of image processing, and the method comprises the following steps: capturing a continuous signal with the amplitude changing with time in a seismic wave propagation process in real time based on a sensor distributed by an earthquake monitoring station network, forming an original amplitude sequence, and carrying out the calculation of the original amplitude sequence; collected continuous signals are converted into three-channel images, and the image brightness is automatically adjusted according to the seismic wave data dynamic range. According to the method, a seismic wave multi-dimensional analysis system is constructed through a three-channel construction strategy, the first channel clearly shows the time domain difference between natural seismic progressive fluctuation and non-natural seismic pulse type sudden change, and the second channel accurately captures microsecond-level sudden change which is easy to neglect in traditional time domain analysis; the third channel clearly distinguishes natural earthquake low-frequency energy concentration and non-natural earthquake intermediate-frequency characteristic spectral lines, and the adaptive brightness adjustment technology aims at the intensity difference of multi-source earthquake signals, improves the distinguishing degree of non-natural and natural earthquake edges, and builds a recognition foundation firmly.

The invention discloses a root mean square value RMS detection method and system, and belongs to the technical field of measurement and control. Wherein a to-be-detected voltage signal is preprocessed by the filter amplification circuit, a square wave signal synchronous with a sine wave zero crossing point is generated through the zero crossing comparison circuit, a signal period boundary is identified, and an integral number of complete and continuous signal periods are extracted in real time through the period detection module; the cycle information identified by the cycle detection module is transmitted to the data storage and processing module, meanwhile, the sampling signal of the high-speed ADC module is transmitted to the data storage and processing module, and sine wave data sampled by the high-speed ADC module is subjected to point-by-point square operation; the square values in a complete period are accumulated and summed, and an original sampling sequence is not stored; fIR digital filtering is carried out on the RMS values of continuous C periods through a digital filtering module; and the dynamic response performance of the system under different frequency bands is remarkably enhanced while the measurement precision is improved.

The invention discloses a partial discharge capacity-severity joint estimation method, a product and equipment, and belongs to the technical field of power equipment monitoring. The method comprises the following steps: S1, constructing a physical fusion framework of multi-modal data: constructing a partial discharge signal propagation graph structure, and converting multi-source heterogeneous data into a unified physical graph; s2, establishing a physical prior model of partial discharge propagation based on graph Laplacian frequency domain features; s3, constructing a correction network to compensate the deviation of the physical model; s4, carrying out capacity-severity joint estimation and uncertainty quantification: carrying out joint modeling on the continuous discharge capacity and the discrete severity level, approximating a real posteriori through a variational posteriori, and outputting point estimation and confidence information; and S5, risk assessment and adaptive optimization: performing risk level assessment based on a result of S4, and performing adaptive adjustment and optimization when a false alarm occurs. The method has continuous signal quantization and discrete grade discrimination capabilities, and is especially suitable for non-contact discharge detection scenes under complex medium conditions.

The invention provides a self-adaptive interference suppression method and system for a multi-band signal. The method comprises the following steps: acquiring a multi-band original signal set comprising a plurality of band continuous signal units; then, an adaptive interference modeling model is called to carry out interference mode characterization processing, and an interference signal characterization result is generated; dynamically configuring an interference suppression parameter set in one-to-one correspondence with each frequency band signal interference mode based on an interference signal characterization result; performing adaptive interference suppression processing on the multi-band original signal set by using the interference suppression parameter set to obtain a preliminary suppression signal set; and finally, feeding back the initial suppression signal set to the adaptive interference modeling model for iterative optimization processing to generate a final interference suppression signal set. According to the invention, accurate analysis and adaptive suppression of multi-band signal interference are realized, the stability and reliability of signal transmission are improved, and the complexity and cost of the system are reduced.

The invention discloses a machine tool predictive maintenance method based on multi-measuring-point vibration sensing monitoring, and the method comprises the following steps: S1, determining a key measuring point, installing a vibration sensor, collecting a vibration signal, and carrying out the preprocessing of the vibration signal; s2, vibration signals are classified, continuous signals are subjected to spectral analysis, and discontinuous signals are extracted and spliced through sliding window extremum search; s3, performing frequency domain analysis and fast Fourier transform on the continuous signal sequence to extract frequency characteristics, and comparing the frequency spectrum characteristics of the measuring points and the time periods; s4, calculating the characteristic value of the vibration signal, fusing the characteristics by adopting an improved spatial pyramid pooling, and constructing a radar map; and S5, performing predictive maintenance based on the frequency domain features and the radar map feature values, and triggering early warning and executing maintenance inspection when abnormity occurs. The machine tool health monitoring precision is improved, precise predictive maintenance is achieved, sudden failures are reduced, the production efficiency is improved, and the service life of equipment is prolonged.

The invention discloses a control method and device for the water outlet flow of a water pump of a scrubber. The method comprises the steps that the expected value of the current water outlet flow of the water pump is obtained; a discontinuous PWM signal is obtained according to the expected value of the current water outlet flow of the water pump, each period of the discontinuous PWM signal comprises n pulse signals with the period being T1 and the duty ratio being D and a low-level signal with the duration being T2, and n is a natural number not smaller than 1; the discontinuous PWM signals serve as driving signals of the water pump to drive the water pump, and the water outlet flow of the water pump meets the expected value. According to the control method and device for the water outlet flow of the water pump of the scrubber, the discontinuous PWM signal is used as the driving signal of the water pump, no hardware needs to be additionally arranged in the scrubber, and accurate control over the small water outlet flow of the water pump in any working scene can be met; the performance of the scrubber is improved without increasing hardware cost, so that the working process of the scrubber is more environment-friendly and energy-saving.

The invention relates to the technical field of artificial intelligence and intelligent medical treatment, and discloses a health care information service system based on deep learning and a knowledge graph, and the system uses implicit physiological semantic prototype nodes to establish a mapping access point of a continuous signal and a discrete graph, and generates a dynamic causal graph based on real-time physiological features. The causal deduction module predicts an intervention result on the dynamic map, and the signal reconstruction verification module performs reverse physical signal reconstruction on a map reasoning path and calculates an effectiveness score based on biophysical constraints. And the decision output module fuses the potential result predicted value and the validity score to generate an intervention suggestion. According to the method, deep fusion of time sequence data and symbol knowledge is realized, and physiological safety and interpretability of dynamic health maintenance decision are ensured through a bidirectional verification mechanism of a logic space and a physical signal space.

Device and method for measuring a junction temperature of a power semiconductor (3) using the resistance Rgint (32) of said semiconductor (3) comprising at least: a current injector circuit (5) injecting current pulses Iinj in the gate path of said power semiconductor (3) through the emitter of said power semiconductor, said current injector circuit (5) being driven by a digital injection control circuit (4, 6) to synchronize said current pulses within a stabilized part of ON states of the power semiconductor driver (1) PWM signal driving said power semiconductor (3), a peak detector circuit (7) to record emitter voltage peaks Ve at the terminals of the current injector circuit and generate a continuous signal Vpks dependent of the junction temperature Tj through integration of said voltage peaks, a signal conditioning circuit (8) to adapt the continuous signal Vpks dependent of the junction temperature into a range of 3V to 5V of a measurement system (9).

The invention discloses a continuous signal transmission-based communication and sensing integrated staggered transceiving joint design method, which is used for suppressing interference caused by a continuous transmission system and innovatively constructing a signal block structure with alternating communication single function and communication and sensing integrated double functions. The method is based on an interlaced signal structure, on one hand, constructive interference is used for improving communication performance; and on the other hand, the integral main and side lobe ratio and in-block and inter-block interference are optimized to ensure the radar sensing performance. According to the method, a joint optimization model designed for a perception receiving filter and an ISAC transmitted waveform is constructed, the model is solved through an alternative optimization framework and an SCA algorithm, and collaborative optimization of communication performance and perception performance is achieved. The method can effectively solve the problems that radar echoes are seriously interfered by adjacent symbol blocks and the communication performance is limited in a communication and inductance integrated scene of continuous signal transmission, and is suitable for a communication and inductance integrated system to improve the target detection precision and the communication reliability in a continuous signal emission system.

The invention discloses an aging gait detection method and system based on a millimeter wave radar, and the method comprises the following steps: S10: employing the millimeter wave radar to collect the data of the activities of a human body going up and down stairs; s20, performing Fourier transform on the activity data after sampling to obtain signal frequency spectrum and target distance information; wherein the continuous Chirp signals of which the intervals are fixed values are stored as row vectors, and receiving frequency responses of targets at different distances can be obtained by performing 1D-FFT on each row; performing fast Fourier transform on a plurality of Chirp signals of the same distance unit to obtain target speed information, namely a time-Doppler graph; and S30, constructing a YOLOv11 model, constructing a data set by the time-Doppler maps, carrying out classification training by using the YOLOv11 model, carrying out batch classification prediction on the new time-Doppler maps, and finally outputting the prediction accuracy.

Systems, methods, and means for autonomous operation of a surgical device within a pre-defined boundary are described herein. Discrete signals associated with clamp control (e.g., closure of a clamp jaw) may be received by the surgical device. The discrete signals may be triggered by a medical professional or may be activated autonomously. In response to the discrete signals, the surgical device may generate a continuous signal based on an algorithm to cause a continuous application of force or the deployment of an action. The surgical device may determine a safety adjustment associated with the operation of the surgical device based at least on a measurement associated with one of tissue, inrush current, or the distance between a smart energy device and a smart grasper.

The invention discloses a multi-channel phase stability testing device based on a high-bandwidth oscilloscope, and aims to solve the problem that the requirement of pulse type output of quantum bit measurement and control signals cannot be met due to the fact that coherent measurement is carried out on continuous signals through a network analyzer in an existing method. The phase synchronization performance measurement among multi-channel superconducting quantum bit pulse type measurement and control signals is realized by adopting a reverse demodulo coherent calculation method.

An integrated circuit (IC) employs error codes based on fields of data for protecting data transferred from a first circuit to a second circuit on the IC. Each bit of a generated error code is based on one or more fields of the data rather than on consecutive signal bits of a bus. Upon receiving the data in a second circuit, the error code is employed to determine whether the data has been transferred without an error. In case of an error, a response circuit generates an error signal having an error type corresponding to the data fields in which errors are detected. In some examples, the transferred data comprises a transaction request and the error signal indicates whether 10 the transaction request has failed, the transaction request may be retried, or the transaction request may be completed despite the error.

The application discloses a kind of Φ-OTDR system coherence fading inhibition method and device based on spatial resolution internal redundant data, specifically: first, simulate random one-dimensional continuous signal and noise waveform, and carry out channel replication expansion, add different random noise to the waveform of each channel, obtain multi-channel signal and noise data set;Then set the structure, parameter, activation function, loss function and optimizer of time sequence neural network model, data set is sent into model and is trained;Then judge whether the model error meets the requirements, if it does not meet the requirements, adjust the structure, parameter, activation function, loss function and optimizer of model, retrain the model;If it meets the requirements, the actual data detected by Φ-OTDR system is processed and packed, and is sent into the trained model for prediction, to obtain the signal characteristics distributed along the whole optical fiber.The application has low complexity, reduces the influence of coherence fading noise on Φ-OTDR system, and improves the transmission ability of the system.

The embodiment of the invention provides a digital human control method, system and device for a private interaction terminal, and the method comprises the steps: obtaining a continuous signal value collected by a sensor, and generating a time sequence feature vector corresponding to the continuous signal value; determining an emotion tag corresponding to the time sequence feature vector, and an action tag and a voice performance parameter associated with the emotion tag, the emotion tag representing the current user emotion, the action tag representing the type of the action currently executed by the digital person, and the voice performance parameter representing the voice intonation currently sent by the digital person; and driving the digital person to execute the corresponding facial expression, body action and voice intonation based on the emotion label, the action label and the voice expression parameter. The method has the capability of recognizing complex behavior states, so that changes of expressions and actions of the digital human are more natural.

The invention relates to a signal superposition type brain-computer interface, which is an improvement on a traditional brain-computer interface. According to the design, the signal-to-noise ratio of the electroencephalogram signals is increased in a mode of superposing continuous similar signals. The system issues prompt signals to synchronize intermittent and repeated motor imagery, intermittent and repeated electroencephalogram signals are generated, and the signals are increased and highlighted in a signal mode by superposing the repeated electroencephalogram signals, so that more accurate control on controlled equipment is realized. Wherein the superposition number of the signals is adjusted by multiple factors, and the adjustment mode of the signals is correspondingly designed.

The invention discloses a motor rotor angle determination method, system and device and a medium, and relates to the technical field of motor detection.The method comprises the steps that angle collection is conducted on a rotor of an electric power steering motor in real time through a magnetic encoder, and a real-time detection angle is obtained; acquiring a historical amplitude, a historical angle tracking error and a historical zero offset value output by the zero offset compensation adaptive wave trap after previous angle acquisition, and a historical angle output by the phase-locked loop; performing adaptive processing based on the real-time detection angle, the historical amplitude, the historical angle tracking error, the historical angle and the historical zero offset value by using a zero offset compensation adaptive wave trap to obtain a real-time reference signal; and inputting the real-time reference signal into a phase-locked loop for angle tracking error compensation to obtain a real-time target angle of the rotor. According to the invention, continuous signal processing can be directly carried out through the zero offset compensation adaptive wave trap and the phase-locked loop, and the calculation amount and noise influence are reduced, so that the result accuracy can be improved.

The present application relates to the technical field of fan blades, and particularly to a fan blade fault diagnosis method and system based on voiceprint and vibration fusion analysis, which forms a joint observation unit by synchronously and consistently checking blade voiceprint segments and vibration segments in the same time window, and gives a diagnosis qualification based on the stability of joint energy in the window within the joint observation unit; the cooperative relationship between the voiceprint and the vibration is described by using a cooperative relationship measure with an energy regularization term, and a fusion relationship violation damage judgment is formed by combining local time evolution deviation, so as to convert continuous signals into discrete blade fault events. Then, the fault events are aggregated into event clusters according to time adjacency, and the cluster level severity is calculated, the severity is mapped to pre-configured diagnosis classification and disposal rules, an explicit blade fault diagnosis conclusion is output, and disposal actions such as alarm, work order or risk prompt are triggered, so that the diagnosis result is directly implemented in the fan monitoring and operation system.

The invention relates to the technical field of power system automation, and particularly discloses a power network fault early warning method based on a large model, and the method comprises the steps: directly mapping the data of a high-frequency power sensor into a time sequence soft prompt vector which can be understood by the large model through a lightweight encoder and a linear projection technology; deep alignment of continuous signals and discrete semantics is realized, and information loss and efficiency bottleneck caused by numerical textualization are avoided. And then, directionally retrieving an operation and maintenance knowledge base by using the soft prompt vector, introducing a cross-modal affinity matrix to construct a semantic gating mechanism, dynamically screening and enhancing retrieved key knowledge fragments according to real-time waveform characteristics, and automatically inhibiting redundant text noise irrelevant to the current working condition. And finally, deep attention interaction and reasoning are performed on a composite sequence formed by an instruction, enhanced knowledge and soft prompt through a large model, a control signal containing fault classification and disposal suggestions is output, and real-time accurate early warning considering high-frequency signal sensitivity and expert knowledge logicality is realized.

This invention discloses an electronic image sharpening method based on image processing, comprising: mapping the image to an initial continuous signal function continuously distributed in coordinates; constructing a liquid time constant prediction branch and generating liquid response parameters based on local gradient and contrast features; reconstructing the discrete state transition matrix into a dynamic evolution kernel, constructing a liquid state space model architecture and performing bidirectional scanning to obtain a latent space state feature sequence; calculating an edge gain adjustment factor and coupling it to the input weight matrix to generate an evolutionary feature tensor; performing spatiotemporal smoothing correction in conjunction with sensor motion parameters; and outputting the electronic image through spatial dimension recovery and implicit function resampling. This invention achieves enhanced edge details while suppressing background noise, eliminating displacement deviations and artifacts, and significantly improving the sharpness and structural fidelity of electronic images.

The application discloses an integrated flexible communication system compatible with FDD and TDD, which comprises a radio frequency transmitting unit, a radio frequency receiving unit, a continuous signal processing unit, a special signal processing unit, a burst signal processing unit and a state machine control unit. The application recombines the physical layer, the coding and synchronization sublayer, the MAC sublayer, the frame sublayer, the I / O sublayer and the network layer in the FDD communication system and the TDD communication system according to the function implementation mechanism, breaks the traditional layered architecture, fuses the common modules dispersed in each sublayer according to the large data processing mechanism and the scheduling control processing mechanism, trims the control and signal processing units exclusive to each sublayer, greatly reduces the processing and scheduling overhead in the traditional layered implementation mode, and reduces the hardware implementation complexity of each function mechanism, thereby most supporting the stringent requirement of the deep space exploration task on product miniaturization.

This invention discloses a signal Doppler tolerance and sidelobe optimization method based on a weighted ambiguity function template. The method includes determining a discrete ambiguity function based on a two-dimensional ambiguity function of a continuous signal and a radar transmitted signal; obtaining matched filtering results for signals with different Doppler frequency shifts and determining the main lobe and sidelobe positions based on the Doppler frequency shift results; for the Doppler frequency shift case, establishing a cost function for Doppler tolerance optimization and a weighted cost function for joint optimization of Doppler tolerance and sidelobe based on the main lobe and sidelobe positions, respectively; setting the weight coefficients of the weighted cost function according to signal characteristic requirements to obtain the target cost function; and using simulation parameters for iterative updating to obtain the optimization result. This invention can improve signal Doppler tolerance while reducing signal sidelobes, significantly improving the practicality of random noise signals; and it allows for setting weight coefficients according to signal characteristic requirements to adjust the optimization ratio of signal Doppler tolerance and sidelobe, providing strong flexibility.

The application discloses a satellite navigation receiver signal processing method and system, and belongs to the technical field of satellite navigation. The method comprises the following steps: step 1, initializing the satellite navigation receiver, and establishing a communication link between the satellite navigation receiver and an RTK reference station; step 2, processing received satellite signals by the satellite navigation receiver to obtain satellite ephemeris parameters; then combining the received reference station data to form basic data; step 3, constructing a carrier phase double difference prediction model and a code phase prediction model, combining the basic data, respectively calculating local carrier signal control quantities and local code signal control quantities, and writing the control quantities into a digital control oscillator; and step 4, performing position solving, updating a satellite navigation receiver predicted position by using a new position obtained by solving, and feeding back to step 3 to form a closed loop control of position solving assisted signal tracking. The application can realize high-precision and continuous signal tracking in a complex environment.

The subject matter of this specification can be implemented in, among other things, a system that includes a first light source to produce a pulsed beam and a second light source to produce a continuous beam, a modulator to impart a modulation to the second beam, and an optical interface subsystem to transmit the pulsed beam and the continuous beam to an outside environment and to detect a plurality of signals reflected from the outside environment. The system further includes one or more circuits configured to identify associations of various reflected pulsed signals, used to detect distance to various objects in the environment, with correct reflected continuous signals, used to detect velocities of the objects. The one or more circuits identify the associations based on the modulation of the detected continuous signals.

The invention relates to the technical field of artificial intelligence, in particular to a big data artificial intelligence analysis platform, which comprises the steps of analyzing the historical sales quantity of commodities, determining all predicted sales quantities in a prediction period, determining a hot time period according to all predicted sales quantities in the prediction period in combination with the historical sales quantity of the commodities, and determining the sales quantity of the commodities based on the hot time period. Analyzing the continuity of the hot time periods in the prediction period, determining a storage time point when a continuous signal is generated, a storage time point when a non-continuous signal is generated and a commodity storage amount, and carrying out deduplication analysis on the hot time periods of all types of commodities; and determining the sales distribution duration of the commodities in the less-commodity hot time period and the sales distribution duration of the commodities in the multi-commodity hot time period, so that the utilization efficiency of sales resources is improved by distinguishing different hot time periods and reasonably distributing the sales durations.

The invention relates to a multi-user burst detection method and device, and the method comprises the steps: carrying out the digital gain adjustment of a received signal, and obtaining an adjusted signal; determining a burst judgment threshold; performing frequency offset coarse compensation on the local synchronization sequence to obtain a plurality of coarse compensation sequences with the length of N; selecting a plurality of sampling point positions from the sampling point positions between the minimum sampling point position and the maximum sampling point position as starting sampling point positions; taking the position of each initial sampling point as a starting point, intercepting N continuous signal values from the adjusted signal, and obtaining an intercepted signal corresponding to the position of the initial sampling point; combining each coarse compensation sequence and the intercepted signal corresponding to the position of each initial sampling point in pairs to form a plurality of sequence-signal combination pairs; determining a correlation peak sequence of each sequence-signal combination pair; determining a peak value and a frequency offset estimation value of each sequence-signal combination pair; and detecting time domain initial positions and frequency offset estimation values of a plurality of users.

The invention discloses a network connection vehicle speed optimization control method and system for a continuous signal intersection, and belongs to the technical field of intelligent traffic control, a hierarchical speed control framework is adopted, the network connection vehicle speed optimization control method comprises a global speed planning layer, a local speed tracking layer and a communication layer, and the specific steps are as follows: the global speed planning layer estimates an intersection queuing length based on an LWR model; a continuous passing time window is predicted through forward solving and reverse recursion, and an expected comfortable vehicle speed curve is generated through quintic polynomial trajectory planning; the local speed tracking layer constructs a multi-objective optimization function under a model prediction control framework, integrates a reinforcement learning element controller to adjust a weight coefficient on line, and adopts a sequential quadratic programming algorithm to solve an optimal torque and speed trajectory; according to the invention, the vehicle can continuously pass through a plurality of intersections at a smooth and comfortable speed, so that parking waiting, urgent acceleration and deceleration are effectively reduced, the passing efficiency and the riding comfort are improved, and the energy consumption of the vehicle is reduced.

The invention relates to a line loss abnormity identification method and device, computer equipment, a storage medium and a program product. The method comprises the following steps: carrying out continuous processing on historical line loss data of a target area to obtain a line loss continuous signal; decomposing the line loss continuous signal to obtain a plurality of target sub-continuous signals corresponding to the line loss continuous signal; inputting the plurality of target continuous sub-signals into a preset prediction model for prediction to obtain a line loss prediction result; and according to the line loss prediction result and the line loss actual measurement result of the target area, identifying whether the line loss actual measurement result is abnormal. The method can reduce the analysis granularity, improves the prediction precision, and guarantees the recognition accuracy of the line loss abnormity.