302 results about "Amplification factor" patented technology

The invention relates to the technical field of cable aging diagnosis, in particular to a cable aging diagnosis monitoring method and system. The method comprises the following steps: collecting cable multi-physical field data; establishing a time synchronization mechanism according to the cable multi-physical field data to obtain a multi-physical field signal data set; extracting eigenentropy value characteristics of each physical field according to the multi-physical field signal data set; constructing an entropy feature vector based on the eigenentropy feature of each physical field; defining a cable initial state reference entropy according to the entropy feature vector; and based on pre-acquired historical data and the entropy value feature vector, quantifying the aging catalytic effect under the synergistic effect of the temperature field and the partial discharge field, identifying the microcrack propagation effect generated by the combined effect of the mechanical strain and the temperature field, and constructing an entropy value synergistic amplification coefficient. According to the method, the cooperative amplification coefficient is established based on the entropy theory, and the influence of the multi-physical field interaction on the cable aging process is accurately quantified.

The invention discloses a cooperative control system and method for multi-process processing of a PCB (Printed Circuit Board). Multi-source process data of each process is collected, a process state baseline is formed through mutual verification of redundant sensors, process drift characteristics are examined and identified based on process capability, a process reference library is constructed in a layered manner by adopting a dynamic threshold value, and a generated process deviation parameter is detected; performing correlation analysis on adjacent processes to determine a transfer coupling degree, positioning a defect transfer link through bidirectional verification combining forward tracking and reverse backtracking, and cascading and accumulating process deviation parameters along the link to form a process incidence matrix; carrying out backtracking on defect diffusion to determine a sweep range, generating process state parameters according to the sweep range, and extracting trend turning characteristics to construct a process characteristic spectrum; defect amplification factors are extracted through sensitivity decoupling, process critical nodes are identified, a regulation and control rule base is constructed, process characteristic chromatograms are integrated, and process control instructions are output, so that defect source positioning and propagation path tracking are realized.

The invention relates to the technical field of water level online measurement, and discloses a water level measurement method and system based on ultrasonic waves. According to the invention, a variable time-sharing amplification circuit with a dynamic range is adopted, and the amplification times of echoes with different distances are automatically changed, so that the amplitude of an echo signal is kept to be more than five times of that of noise, and the influence of the noise on the measurement precision is effectively avoided; the method comprises the following steps of: receiving an echo signal, carrying out digital shaping on the echo signal according to a standard echo waveform near an echo peak value, and taking time corresponding to a waveform vertex after shaping as echo time, so that the influence of the measurement accuracy of echo waveform distortion is eliminated through the technology; meanwhile, the method that optimization is carried out after continuous three times of measurement is adopted, and the accidental phenomena of no echo and measurement value jumping can be effectively eliminated.

The invention relates to a fusion power supply harmonic suppression method based on an energy storage type STATCOM. The method comprises the following steps: determining a harmonic amplification factor K value; selecting and designing a proper discrete digital band-pass filter, and detecting a target frequency band and filtering characteristic sub-harmonics; the detected harmonic voltage amplitude and phase are used as references, an energy storage type STATCOM is adopted to output same-frequency and same-phase harmonic current, virtual damping is formed at a grid-connected point, a K value is used as a damping coefficient, the output harmonic current reference amplitude is determined, virtual harmonic damping is controlled, and harmonic resonance is suppressed. The virtual harmonic damping method for the energy storage type STATCOM is provided for accurate tracking of low-frequency harmonic and inter-harmonic voltage amplitudes and phases, the chain type STATCOM has the advantages of being high in high-voltage direct-hanging efficiency, high in redundancy fault-tolerant capability and the like and is suitable for high-voltage large-capacity scenes, virtual damping control achieves harmonic suppression by adjusting virtual damping at the harmonic frequency of a control structure, and the energy storage type STATCOM can be applied to high-voltage large-capacity scenes. And the system stability can be effectively improved while harmonic waves are treated.

The invention discloses a cable cabling control method based on process big data, and belongs to the technical field of cable cabling control. Comprising the following steps that S1, parameters are collected in real time and preprocessed, historical batch records are called, the tension instability and the arrangement offset trend rate are calculated, simulation coupling factors are constructed, and an optimized coefficient combination is obtained; s2, the current tension instability and the arrangement offset change rate are calculated respectively, and the adjusted take-up speed and the adjusted twisting torque are obtained; according to the method, historical batch records of cables of the same specification are called, the tension instability and the arrangement offset trend rate are calculated, a numerical optimization algorithm is adopted to iteratively search an amplification coefficient and a sensitivity coefficient, a process-oriented optimization objective function is minimized, an optimized coefficient combination is obtained, and the stability of the cable tension is improved. Therefore, self-adaptive parameter optimization based on historical data is realized, the high adaptability of a control strategy to different batches of process fluctuations is improved, and the variability of quality indexes is remarkably reduced.

The invention relates to the technical field of integrated circuit design, in particular to a noise shaping assembly line successive approximation type analog-to-digital converter and a control method. Comprising a first stage including an auxiliary successive approximation analog-to-digital converter and a first stage voltage processing module; the second stage comprises a dual-channel noise shaping successive approximation type analog-to-digital converter and a loop filter; the input end of the residual amplifier is connected with the first-stage voltage processing module, and the output end of the residual amplifier is connected with the noise shaping successive approximation type analog-to-digital converter; the first input end of the digital code aligner is connected with the output end of the comparator of the auxiliary analog-to-digital converter, and the second input end of the digital code aligner is connected with the output end of the second-stage comparator. According to the invention, the analog-to-digital conversion speed can be accelerated, the influence of a zero point on a residual voltage amplification coefficient is reduced, the conversion time is shortened, and the input and output common-mode voltages of the time domain converter are stabilized.

The utility model relates to the technical field of satellite navigation, in particular to a satellite navigation anti-interference signal intensifier, which comprises a receiving antenna, a prefilter, a fixed amplification module and an automatic gain module which are sequentially connected, the output end of the fixed amplification module is further connected with a control module, and the control module comprises a peak value detection unit and a switch control unit. Two output ends of the switch control unit are connected with a control end of the automatic gain module, the peak detection unit is used for detecting a signal peak value, and the switch control unit controls the amplification factor of the automatic gain module based on the signal peak value output by the peak detection unit. According to the utility model, the prefilter is used for filtering interference signals, then the peak value detection unit is used for judging the magnitude of the signals, and then the switch control unit is used for selecting different resistors, so that the amplification factor of the automatic gain module is changed, the signals are enhanced, the final signals are in a proper range, subsequent signal processing is facilitated, and the practicability is higher.

The invention provides a circuit for automatically adjusting magnification times and realizing synchronous sampling, and belongs to the technical field of power electronics. The circuit comprises an amplifying circuit, a resistance switching circuit, a phase locking circuit and an acquisition circuit, the amplifying circuit is used for receiving and processing an original signal, obtaining a voltage signal and analyzing an amplification factor required by the voltage signal, and an amplifier is correspondingly connected to a resistor in the resistance switching circuit according to the required amplification factor and is used for acquiring the voltage signal. And amplifying the voltage signal according to the amplification factor, receiving the amplified voltage signal by the phase-locked loop, analyzing the amplified voltage signal to obtain an average voltage, and adjusting the output frequency of the phase-locked loop according to the average voltage to lock the phase. And the acquisition circuit is used for synchronously sampling the amplified voltage signal according to the locked phase. In an electric power system data acquisition application, the amplification factor can be automatically adjusted, phase synchronization can be realized, and signal acquisition and data analysis of different capacitive devices of a power grid can be satisfied.

The invention provides an optical network communication method and device, and the method comprises the steps: a first slave device can receive a rate amplification factor from a main device, and the rate amplification factor is an adjustment coefficient of a first rate (i.e., the attribute value of a CIR attribute / PIR attribute); the first slave device determines a second rate (i.e., a valid CIR / PIR of the first slave device) by means of the rate amplification factor and the first rate. Therefore, even if the value of the first rate is limited, the effective CIR / PIR of the first slave device can be adjusted through the rate amplification factor. In other words, on the basis of not changing the existing attributes, the value of the CIR / PIR used by the first slave device during working is expanded. And the CIR / PIR configuration problem of a 50G PON and a future higher-rate PON is solved.

The invention discloses a magnetoelectric speed sensor signal acquisition circuit and a fault diagnosis method. The magnetoelectric speed sensor signal acquisition circuit comprises a low-pass filter circuit, an amplitude limiting circuit, a lifting and adjustable amplifying circuit, a self-adaptive peak detection circuit, a threshold adjusting circuit, an in-phase hysteresis comparison circuit, a fault detection circuit and a single chip microcomputer module. The lifting and adjustable amplifying circuit is used for lifting the peak value of the signal subjected to amplitude limiting in a bias manner and amplifying the signal by a certain multiple; the self-adaptive peak detection circuit is used for detecting and acquiring a peak voltage; the threshold adjusting circuit is used for dividing the peak voltage; the in-phase hysteresis comparison circuit is used for comparing two paths of input signals and outputting a square wave signal to the single chip microcomputer module to obtain a signal frequency value; the single-chip microcomputer module is used for controlling switching of amplification times based on the signal frequency value and controlling fault detection of the magnetoelectric speed sensor. The amplification factor is automatically switched based on the signal intensity, the threshold voltage of the comparator is dynamically adjusted according to the signal peak value, and the detection reliability is improved.

The invention discloses a digital debugging optimization processing method and system for an upper computer, and relates to the technical field of industrial automation and real-time control, and the method comprises the steps: generating a compensation amount based on a real-time network delay variance and an equipment inertia coefficient, and solving the problem of instruction time sequence drift caused by switch networking fluctuation; particularly, in a high-disturbance environment, action connection errors of precise equipment such as a welding robot and the like are compressed to be within a millisecond level through sliding window contraction and amplification coefficient self-adaptive adjustment, and the mechanical collision risk caused by field failure of preset parameters in a traditional scheme is avoided; in addition, the physical model of the PLC is mapped into motion response parameters, such as inertia and damping coefficients, by utilizing an equipment type library, so that time sequence calibration of equipment of different systems is realized under a unified platform; hardware does not need to be transformed or a special clock chip does not need to be additionally arranged, and the debugging cost of cross-manufacturer equipment integration is reduced.

The invention discloses a wind driven generator transmission chain health state assessment method based on wind speed vibration coupling, and the method specifically comprises the steps: installing a vibration sensor at a measurement point of a transmission chain, and collecting the vibration data of each measurement point in real time; repairing the collected vibration data by using a missing data reconstruction algorithm; carrying out band-pass filtering processing on the repaired vibration data of each measuring point according to a custom setting standard; performing feature extraction on the filtered vibration data, and calculating related vibration feature indexes to obtain feature values; according to the interval information of the rotating speed, the running state of the current equipment is judged, and if the rotating speed is in a specific interval, the calculated characteristic value is amplified according to a preset amplification factor; and judging the amplified RMS value of each measuring point according to a reference value in a custom set standard, and if the calculated value is higher than an early warning value and a danger value in the standard, performing time domain analysis and frequency domain analysis.

The invention discloses a contactor operation state on-line identification method based on image features and deep learning. The method comprises the following steps: firstly, collecting vibration and sound signals of a contactor in different operation states in an action process; then, calculating the characteristic frequency of the signal in the collision process of the seriously worn contact, and taking the characteristic frequency as an additional frequency component; performing CEEMDAN decomposition on the vibration and sound signals to obtain a plurality of IMF components; the main frequency of each IMF component is calculated, and IMF components containing additional frequency components are removed; calculating a correlation coefficient and an energy value between each remaining IMF component and the original signal; keeping the IMF components of which the correlation coefficients and the energy values are greater than the average value to obtain effective modal components of the vibration and sound signals; thirdly, optimizing a time interval parameter and an angle amplification factor of the SDP conversion technology by utilizing an intelligent optimization algorithm, and generating SDP images by utilizing effective modal components of the vibration signals and the sound signals according to the optimized parameters, so as to obtain a plurality of SDP images in different operation states; and finally, a state recognition model is constructed and trained, and the trained model is used for state recognition. According to the method, the influence of interference components on the effective mode is avoided, the feature expression effect of the SDP image is improved, and the recognition precision is improved.

The invention provides an intelligent management method for WebSocket connection, which comprises the following processes: a dynamic reconnection control process: when connection disconnection is detected, a reconnection interval Tn = min (T0 * 2 (n-1), Tmax) is calculated based on a historical disconnection frequency, Tn is waiting time of nth reconnection, T0 is an initial reconnection interval, and Tmax is a maximum allowable reconnection interval; the self-adaptive heartbeat mechanism process comprises the steps that after connection is established, a heartbeat task is automatically started, the heartbeat period P is dynamically adjusted according to the network condition, P = max (Pmin, k * RTTavg), Pmin is the minimum heartbeat period threshold value, k is the amplification coefficient, and RTTavg is the average round-trip delay; and the event-driven architecture process comprises the following steps of: configuring and connecting event processing logic through a declarative interface, and supporting callback functions of onOpen, onMessage, onError and onClose.

The invention provides an incremental analog-to-digital converter based on passive noise shaping and a signal processing method, which can be applied to the technical field of quantization. The incremental analog-to-digital converter comprises: an input integrating circuit configured to generate a (j-1) th low-order integrated voltage according to an input signal from a signal input end; generating a kth high-order integral voltage according to an input signal; the passive amplification circuit is configured to obtain a kth gain voltage according to the kth high-order integral voltage based on a predetermined amplification coefficient; the passive noise shaping circuit is configured to perform passive integration on the kth high-order integration voltage to obtain kth passive integration voltage, and perform passive gain on the kth passive integration voltage by using the kth gain voltage to obtain kth high-order gain voltage; a quantization circuit configured to quantize the M1 low-order integral voltages in M1 periods, respectively, to generate M1 coarse quantization values; m2 high-order gain voltages are quantized in M2 periods respectively, and M2 fine quantized values are generated.

The invention relates to the technical field of guide rail meter testing, in particular to a proportional operational amplifier circuit for simulating Rogowski coil signal output and a testing device, which comprises a current sampling loop for converting input current into voltage analog signal output, and a proportional amplification loop connected with the output end of the current sampling loop, and the analog module is used for amplifying an input voltage analog signal by an amplification coefficient K and then outputting the amplified voltage analog signal, and the amplification coefficient K is matched with the sensitivity coefficient S of the Rogowski coil to be simulated. Through the collaborative design of the high-precision current transformer and the proportional operational amplifier circuit, the primary side test current is reduced to below 50A, and meanwhile, a voltage signal which is equal to a Rogowski coil in proportion is accurately generated through the proportional operational amplifier circuit. According to the design scheme, the final test effect can be achieved by applying the current of 0.04-50A, the test environment is safer compared with the test environment with the large current of 500A, and the service life of the test bench body is protected.

The invention discloses an implementation method of a sub-connection active STAR-RIS assisted secure communication system. A base station, a sub-connection active STAR-RIS, a legal user and an eavesdropping user are included. According to the invention, M units of STAR-RIS are grouped into L sub-arrays, and an amplifier is shared to reduce power consumption and cost; with maximization of system secrecy energy efficiency as a target, base station beam forming, STAR-RIS reflection / transmission coefficients and amplifier amplification coefficients are jointly optimized; and solving the non-convex optimization problem by adopting an efficient algorithm based on block coordinate descent. According to the invention, the hardware overhead and the system power consumption are effectively reduced through the sub-connection structure, meanwhile, the secure transmission efficiency of the system is remarkably improved through joint optimization, multiplicative fading is overcome, and an efficient and reliable solution can be provided for 6G secure communication.

The invention provides a jet pipe array missile pitching channel jet flow opening method, device and equipment and a medium. The method comprises the steps that corresponding total thrust is calculated according to pitching control torque needed by a missile; generating a plurality of spray pipe opening combinations capable of providing total thrust according to the thrust of a single spray pipe in the spray pipe array, and taking the spray pipe opening combinations as initial candidate modes; a sequential constraint rule from the middle to the two sides is applied to each nozzle opening combination in the initial candidate modes, and candidate modes conforming to the constraint rule are obtained; calculating a jet amplification factor of the candidate mode conforming to the constraint rule in the current flight state, and evaluating the influence degree of jet interference; the candidate modes with the jet amplification factors smaller than the preset minimum threshold value of the jet amplification factors and conforming to the constraint rule are removed, and the remaining candidate modes conforming to the constraint rule serve as jet opening modes, so that the problem that the control effect is poor due to poor control torque adjustability, control coupling, insufficient spray pipe utilization rate and jet interference influence is solved.

A method for noise suppression in a hearing instrument includes using an acousto-electric input transducer of the hearing instrument to generate an input signal from ambient sound. A frequency-band-wise noise suppression is applied to a processing signal derived from the input signal. Stationary noise is detected in the respective frequency band, and depending on the detected stationary noise, an amplification factor of the processing signal is set for the relevant frequency band. An analysis adapted to detect stationary and non-stationary noise is applied to the processing signal. The analysis has a lower frequency resolution than the frequency-band-wise noise suppression and, upon detected presence of stationary and / or non-stationary noise in the analysis of the processing signal, the stationary noise in the frequency-band-wise noise suppression is presumed to be detected in each frequency band, and the corresponding amplification factors are set.

The invention belongs to the technical field of optical communication, and particularly relates to a feedback type space laser communication power adaptive compensation method. According to the method, a system comprising an A end, a B end and a feedback control circuit is constructed, and the method comprises the steps that a baseband signal of a transmitting end is modulated, amplified and then transmitted, an optical splitter of a receiving end distributes a received optical signal in proportion, 90% of the optical signal is used for communication demodulation to obtain information, and 10% of the optical signal is used for power detection; a signal for power detection is processed to generate an analog signal which is fed back to an opposite end. At a transmitting end, a demodulation and control unit regulates and controls the amplification factor of an optical amplifier according to a received power feedback control signal so as to realize self-adaptive compensation of the space laser communication power. According to the method, power fluctuation caused by factors such as atmospheric channel change and distance change can be dealt with in real time, the defects of traditional space laser communication power control are effectively overcome, and the reliability and stability of a communication link are remarkably improved.

The present invention provides a method and system for implementing medium- and low-frequency embedded super-real-time behavioral-level timing simulation, comprising loading and initializing a specified on-chip device according to target machine configuration information; setting a simulation time amplification factor for an IO instruction and a non-IO instruction statistical factor according to the minimum timing accuracy of the on-chip device; determining whether the current instruction is an IO instruction after each instruction is executed; when the number of non-IO instructions counted reaches a preset value, converting the currently counted non-IO instruction statistical factor into a simulation time parameter; when a simulation time condition is met, scheduling simulation events for devices that meet the simulation time condition in a simulation time scale order; exiting the scheduler after executing the currently passed simulation time; and executing the next round of instruction execution and simulation. The present invention has the advantages of high-precision timing simulation, efficient simulation scheduling, super-real-time performance, and the ability to meet user timing requirements, and has broad application prospects in the field of embedded system simulation.

This invention discloses a near-field heat flux control device and its control method, relating to the field of near-field thermal radiation control technology. The device includes a first radiator, a second radiator, and an intermediate control layer. The intermediate control layer, disposed between the two radiators, is composed of a narrow bandgap semiconductor material. Its carrier concentration changes smoothly with temperature, and its dielectric response characteristics continuously change with temperature, driving a frequency shift in the plasma frequency. The temperature of the intermediate control layer can be adjusted to amplify or suppress the heat flux. By using a narrow bandgap semiconductor and utilizing the temperature change of carrier concentration to drive a continuous blue shift in the plasma frequency, a spectral sweep effect is induced between the two radiators. This differs from the lattice abrupt change mechanism of phase change materials. Under an idealized temperature-shifting material model, the theoretical heat flux amplification factor of the device can reach over 100. When InSb is used as the intermediate control layer and simulations are performed based on its actual material parameters, the device maintains stable amplification performance over a continuous temperature range of approximately 40K.

This invention relates to a multi-mode vortex-induced vibration control method for long-span bridges based on multiple SATMDI (Self-Active Capacitive Tuned Mass Damper) dampers, belonging to the field of structural vibration control. The invention addresses the problem of insufficient optimization in existing semi-active controlled SATMDI settings. The method comprises the following steps: Step 1: Establishing a finite element model of the bridge and extracting modal information for each order; Step 2: Screening the bridge modes, retaining modes with natural frequencies lower than the highest vortex shedding frequency; Step 3: Determining the vortex-induced vibration amplitude limits [A] for each mode requiring control. n ], and then obtain the allowable value of the peak value of the dynamic amplification coefficient of each mode of the bridge; Step 4, divide the retained modes into G groups, and obtain the sum of the minimum additional mass required for each group of modes; Repeat step 4 P times, regrouping each time, and obtain P results; Step 5, take the grouping strategy with the minimum value among the P results as the optimal grouping strategy, and obtain the minimum additional mass required to control all modes and the corresponding optimal SATMDI deployment position.

The application relates to a servo dynamic characteristic matching degree quantitative adjustment method, device, equipment and medium, wherein the method comprises the following steps: building a machine tool shaft model according to a preset motor servo control system structure and a preset mechanical transmission system structure; based on the machine tool shaft model, an input and tracking error transfer function in a complex frequency domain is established by taking a position instruction as an input signal; the transfer function is optimized, and based on the optimized transfer function, a continuous step signal is combined with a delay theorem to obtain a tracking error model in a time domain through inverse pull type transformation; the tracking error model in the time domain is substituted into a servo dynamic characteristic matching characteristic value expression to obtain a quantitative relationship between a position loop proportional amplification coefficient and a servo dynamic characteristic matching characteristic value, and the servo dynamic characteristic matching degree is quantitatively adjusted based on the quantitative relationship. Therefore, the problems of low optimization precision caused by the lack of mathematical relationship between parameters in a servo control system and a matching degree in related technologies are solved.

The invention discloses a transimpedance amplifier insensitive to high light intensity, which comprises an input signal amplification structure and a double-end output structure which are connected with each other, the double-end output structure is also connected with a current bias structure, and the current bias structure is used for providing stable bias current irrelevant to a triode amplification coefficient for the input signal amplification structure. And under the condition that no signal is input, the output reference voltage is equal to the output voltage, and the input signal amplification structure is used for providing a corresponding amplification factor for a wide-range input signal. According to the transimpedance amplifier insensitive to high light intensity, under the condition that the light intensity is large, the triodes enter a saturation region, the output voltage is divided by the resistors and clamped at the lowest output voltage, and the output voltage is prevented from being lower than the common-mode input range of a post-amplifier; when the input optical signal disappears, that is, the output signal is strained to be a high level, the level jump speed is improved through the rapid discharge path.

The invention provides a turbulent flow space statistical magnitude measuring method, which comprises the following steps of: acquiring a sampling signal for laser Doppler velocity measurement, processing, setting filtering and pre-signal amplification coefficient parameters, carrying out data enveloping and modulation, checking a calculation result, filtering again if the calculation result is unqualified after the calculation result is checked, and if the calculation result is not qualified after the calculation result is checked, judging whether the calculation result is qualified or not. If the inspection is qualified, outputting a result; determining a laser Doppler measurement volume diameter corresponding to the low-intensity steady turbulence by applying a Taylor freezing hypothesis, and performing Fourier transform by adopting a time slot auto-covariance method to draw a turbulence space kinetic energy spectrum density curve; second-order and third-order structure function curves of a turbulent space are drawn based on a convection recording method and a time slot auto-covariance method to be verified respectively, a turbulent average dissipation value is calculated according to the initial slope of a third-order structure function of the turbulent space, and then the dissipation scale is calculated according to the energy dissipation rate of fluid and the kinematic viscosity coefficient of the fluid. According to the measurement method, the measurement precision of the turbulence space is improved.

The invention discloses a high-frequency oscillation suppression method and system for a flexible direct-current power transmission system, and belongs to the field of high-frequency oscillation suppression of a power system, and the method comprises the steps: adding a Gaussian white noise signal in current control of the flexible direct-current power transmission system, and continuously observing the voltage and current of a grid-connected point of the flexible direct-current power transmission system; acquiring the amplification factor of the oscillation signal in the frequency domain and the oscillation stabilization time in the time domain, and judging the current oscillation risk; when the oscillation risk exists, a differential first controller is introduced to compensate a selected current loop feedback signal, a positive torque signal is generated, and parameters of the differential first controller are obtained based on the current oscillation risk level; and performing feedforward compensation on the generated positive torque signal to an output link of a flexible converter in the flexible direct-current power transmission system. The negative damping phenomenon caused by the control delay effect is effectively compensated, and high-frequency oscillation of the flexible direct-current power transmission system is avoided.

The invention relates to the technical field of radio communication, in particular to a radio communication system with a talkback function, which comprises an environment voice acquisition module, an induction electric signal core processing module and a signal amplification optimization module, and is characterized in that the environment voice acquisition module acquires environment voice and converts the environment voice into an induction electric signal; the induction electric signal core processing module defines induction electric signals with the same sampling interval as induction time sequence signals; judging a noise electric signal and a current analog electric signal in the induction time sequence signal; setting a plurality of tap numbers and corresponding tap coefficients, and sequentially adopting different tap numbers to reduce the noise of the current analog electric signal and output a filtering signal; setting a constraint condition to minimize an error signal, and analyzing an optimal tap number and a corresponding tap coefficient; the signal amplification optimization module receives the optimal number of taps in the induction electric signal core processing module, dynamically sets different voice feature amplification times according to the optimal number of taps, and amplifies the current analog electric signal.

The application discloses a kind of double-layer multileaf collimator leaf amplification factor adjustment methods, comprising: the grating blade stroke is segmented according to preset interval;Respectively, the upper grating and the lower grating are independently calibrated, the equal center plane field width of each segmented point is measured, and the amplification factor is calculated;For the segmented point that cannot be directly measured, segmented linear interpolation is used to complete;Amplification factor is written into control system and the whole stroke accuracy is verified through multi-field strip field.The application fits the nonlinear characteristics of single-focusing grating amplification factor by segmented measurement, adapts to the difference of double-layer structure by independent calibration of upper and lower layers, realizes full-stroke coverage by interpolation completion, and finally improves the positioning accuracy of field boundary, significantly improves the accuracy and safety of radiotherapy.

The signal dynamic gain control system provided by this invention constructs an adaptive gain adjustment path through a first operational amplifier circuit and a feedback control circuit. This allows for real-time adjustment of the pre-amplification factor based on the signal strength at the front end of the analog-to-digital converter, avoiding signal overload caused by fixed gain and improving the system's adaptability to dynamic audio input. Furthermore, a comparison circuit composed of a voltage comparator and a programmable reference voltage source enables real-time judgment of high and low level logic signals, facilitating the construction of a control feedback link with a response time in the microsecond range and enhancing the system's protection sensitivity.