124 results about "Amplitude control" patented technology

The invention discloses a crane falling and amplitude variation control method and device, electronic equipment and a storage medium. The crane falling and amplitude changing control method comprises the steps that current working condition information of a crane is obtained; on the basis of a pre-generated four-dimensional feed-forward control model, a feed-forward control current value is calculated according to the current working condition information, and the four-dimensional feed-forward control model represents the mapping relation between the working condition information and the main arm descending valve control current of the crane in the constant-speed descending state; the actual descending speed of the main arm of the crane is obtained and compared with the set expected descending speed, and a closed-loop correction current value is calculated through a closed-loop control algorithm based on the speed error; and superposing the feedforward control current value and the closed-loop correction current value to obtain a total control current, and outputting the total control current to a main arm descending valve of the crane so as to control the descending speed of the main arm of the crane. According to the invention, the descending process of the main arm is stable and constant in speed, and the stability and safety of the hydraulic control crane in the amplitude variation action are improved.

The invention discloses a modularized microwave signal source, which belongs to the technical field of microwave communication and comprises a radio frequency front-end module, a lower variable intermediate frequency and mixing filter module, an upper variable intermediate frequency and mixing filter module, an amplitude control module and a power supply control board for supplying power to and controlling the modules in a distributed manner, each module is arranged in an independent cavity with an electromagnetic shielding structure; the modular microwave signal source adopts a secondary mixing superheterodyne scheme as a basic microwave link, and adopts a primary mixing scheme as a millimeter wave extension link. The modularized microwave signal source is divided into a plurality of standardized modules which can be independently detached and have subdivided functions, so that the problems of difficulty in maintenance, fixed design and high cost of a traditional high-integration-level microwave component are solved, and the high performance, high maintainability, strong reusability and wide-frequency-band coverage effect of the microwave signal source are realized.

The invention discloses an antenna control method, system and device and a computer readable storage medium, and relates to the technical field of communication, and the method comprises the steps: obtaining a target position of a terminal device; generating mechanical platform control information and beam forming control information according to the target position; performing angle control on the mechanical platform according to the mechanical platform control information; performing angle control on the beam forming chip according to the beam forming control information; wherein the mechanical platform is used for carrying out horizontal rotation and / or pitching rotation on the antenna array; and the beam forming chip is used for performing phase control and / or amplitude control on the antenna array. According to the invention, large-range coarse adjustment of the horizontal angle and / or the pitching angle of the antenna array can be carried out by means of the mechanical platform, and small-range fine adjustment of the antenna array can be carried out by means of the beam forming chip, so that the antenna array can flexibly send beams to the terminal equipment, the beam width limitation of a small-size array is broken through, and the antenna array can be flexibly and accurately adjusted. And the signal quality of the terminal equipment is improved.

Provided is a wireless power transmitting system and device, the wireless power transmitting device including: a signal generator configured to generate an initial signal; a controller configured to output an amplitude control signal and a phase control signal; a phase modulator configured to generate a phase-modulated signal by modulating a phase of the initial signal based on the phase control signal; a power amplifier configured to generate a power signal by amplifying the phase-modulated signal; a voltage converter configured to control a magnitude of a power voltage of the power amplifier based on the amplitude control signal; and an antenna configured to externally output the power signal.

The application provides an AM-PM distortion calibration method applied to an UWB transmitter and belongs to the field of UWB communication. The method adds a sampling resistor between a linear voltage stabilizing power supply LDO and a digital power amplifier DPA driving stage of the UWB transmitter using a digital power amplifier, so as to simulate the instantaneous change of the power supply voltage of the DPA driving stage when the UWB pulse is transmitted; an adjustable delay unit is added between a carrier input port LO and the DPA driving stage; the continuous sine wave is transmitted, the phase information under each digital baseband amplitude control word is collected to form original data of the AM-PM distortion of the UWB transmitter, the digital baseband output AM-PM control word is used to control the adjustable delay unit to output the phase which is opposite to the original data and has the same size, so that the phase predistortion of the transmitted UWB pulse is realized, and the AM-PM distortion calibration is completed. The application has the advantages of simple implementation and strong compensation capacity.

The present application relates to the field of GTAW welding, and is a GTAW longitudinal swing wire feeding intelligent control system and method based on magnetic control. In view of the problems of the wire end deviating from the tungsten electrode and the unstable droplet transfer in the GTAW longitudinal swing wire feeding welding, a GTAW longitudinal swing wire feeding intelligent control system and method based on magnetic control is proposed. The relative position of the wire end and the tungsten electrode is controlled by using a visual sensing-based wire end and tungsten electrode relative position adaptive calibration method; the longitudinal swing amplitude of the GTAW wire is controlled by using a magnetic field-based GTAW wire longitudinal swing amplitude control method; the longitudinal swing frequency of the GTAW wire is controlled by using a magnetic field-based GTAW wire longitudinal swing frequency control method; and the wire feeding speed is controlled by using a wire sensing-based wire feeding speed control method.

The invention relates to the technical field of grounding, and discloses an anti-vibration and anti-damage grounding suspension device for a transformer substation, the anti-vibration and anti-damage grounding suspension device comprises a U-shaped hook and movable openings formed in the two sides of the hook, clamping jaws are hinged in the two movable openings of the hook, and a torsion spring is mounted on a connecting shaft of the clamping jaws, so that the two clamping jaws clamp a cable towards the inner side together; and the inner side of the hook is provided with an elastic component which is in contact with the cable, so that the cable is in contact with the elastic component under the locking of the two clamping jaws, and the vibration of the cable and the damage to the cable can be avoided. The elastic component is of a composite structure, the elastic layer absorbs most vibration impact force through compression and resilience, the elastic metal assists in dispersing stress, and fatigue damage of the cable due to high-frequency vibration is avoided; the upper and lower clamping structures cooperate with the clamping force of the torsion spring, the vibration displacement amplitude of the cable is controlled within a small range, collision with peripheral equipment is prevented, and the fault risk is reduced.

The application discloses a multi-octave wideband frequency conversion assembly, which comprises a frequency conversion circuit, an amplitude control circuit and a switch filter set, wherein the frequency conversion circuit expands the input radio frequency to an intermediate frequency signal through two local oscillator frequency points for the input radio frequency signal and outputs the intermediate frequency signal to the amplitude control circuit; the amplitude control circuit adjusts the amplitude of the intermediate frequency signal output by the frequency conversion circuit; the switch filter set filters the signal output by the amplitude control circuit through a multi-path filter set, filters out harmonics and stray signals, and performs amplitude correction to obtain a multi-octave intermediate frequency output signal. The 3-4GHz signal is expanded to a ten-octave signal of 0.2-2GHz which can be directly processed by a digital circuit through the two local oscillator frequency points of 4 / 5GHz, the output power reaches 10dBm, the harmonic suppression reaches more than 48dBc, the power flatness reaches ±1dB, the dynamic range reaches more than 60dB, and the step is only 0.25dB.

The invention relates to the technical field of household appliances, in particular to an air conditioner which comprises a refrigerant circulation loop, an exhaust temperature sensor and a controller, and the controller firstly obtains the exhaust temperature of a compressor monitored by the exhaust temperature sensor and determines the temperature change rate of the exhaust temperature based on the exhaust temperature; when it is determined that the frequency reduction condition is met according to the exhaust temperature and the temperature change rate, the controller determines the frequency reduction amplitude and controls the compressor to operate in a frequency reduction mode according to the frequency reduction amplitude; or, when it is determined that the frequency increasing condition is met according to the exhaust temperature and the temperature change rate, the controller determines the frequency increasing amplitude and controls the compressor to operate in a frequency increasing mode according to the frequency increasing amplitude; the temperature change rate is introduced to serve as control input, the current exhaust temperature and the change trend of the current exhaust temperature are concerned, and therefore the frequency of the compressor can be accurately and timely adjusted, the problem of frequency oscillation of the compressor caused by exhaust temperature detection and control lag is effectively solved, and more stable, efficient and reliable operation of the air conditioner is achieved.

This invention discloses an integrated navigation transmitter assembly based on digital multi-beam technology, belonging to the field of phased array technology. It includes a lower panel, a transmitter terminal, an up-converter, a power amplifier, a receiver-resistance filter, and a upper panel. This invention adopts an integrated design, combining the transmitter terminal, up-converter, power amplifier, and receiver-resistance filter into a single assembly, resulting in a compact structure and convenient installation and maintenance. It employs a decentralized design, distributing signal generation functions to each transmitter assembly, achieving beam delay, phase, and amplitude control in the digital domain. Compared to traditional analog TR assemblies, this provides higher control precision and more flexible beam pointing. Furthermore, this invention utilizes modular shielding technology, placing digital circuits, analog circuits, and high-power equipment in independent metal shielding cavities, significantly reducing signal leakage and solving the problem of electromagnetic interference between assemblies in large-scale array deployments. This invention has good versatility, allowing adjustment of the transmitted signal waveform and frequency as needed.

The application provides a spatial sound field real-time generation device based on a light-controlled programmable ultrasonic phased array, realizes continuous phase modulation and amplitude control of array elements, does not need to separately configure a high-voltage pulse circuit or an independent amplifier for each channel, thereby guaranteeing the compactness of the system structure and the low power consumption advantage; the light-controlled phase shift unit independently controls the phase of each ultrasonic element by adjusting the light intensity, realizes accurate regulation and control of the wave front direction; the overall layout of the array and the power input are kept synchronous, thereby guaranteeing the controllability of the amplitude and energy output of the ultrasonic field; the application decouples the phase control and the power driving, effectively avoids the complex wiring problem of multi-channel synchronous control, and improves the flexibility and scalability of array operation; in addition, the introduction of the light-controlled mode significantly simplifies the array driving circuit, realizes parallel control of a large-scale array, and thereby forms an ultrasonic field generation device with high compactness, excellent controllability and high flexibility.

The invention relates to a locking type steel wire thread insert vibration test clamp device and a vibration test method, which are suitable for vibration examination of a locking type steel wire thread insert in a free state in an aero-engine. The device comprises a clamp base body, a bolt connecting hole, an O-shaped groove and an induction block. The clamp base body is rigidly connected with the electromagnetic vibration table through a bolt, the O-shaped groove is used for installing a steel wire thread insert test piece, the induction block is made of piezoelectric crystal materials, and when the steel wire thread insert vibrates to reach the set amplitude, the induction block is contacted to generate induction current to drive the induction lamp or the ampere meter to display. The test method comprises seven steps of system connection and preparation, parameter setting and starting, vibration amplitude monitoring, amplitude adjustment, assessment state confirmation, vibration assessment execution and test ending. Through a closed-loop control system formed by an external source signal generator and a laser displacement sensor, single-degree-of-freedom fixed-amplitude vibration in a non-resonance state is realized, the amplitude control is accurate, overload is avoided, parallel testing of multiple test pieces is supported, the test efficiency is improved, the method is closer to actual working conditions, and the method has higher engineering application value.

This application discloses a distributed fiber optic vibration sensor wiring method and wiring device for bridge structures. The method includes the following steps: determining the key monitoring areas of the bridge; deploying a wiring device in the key monitoring areas; sequentially passing single-mode optical fibers through the fiber inlet and outlet ports to obtain an optical fiber sensing network; winding the single-mode optical fibers according to a set method to form redundant fiber segments; using cyanoacrylate adhesive to couple and fix the straight segments of the main optical fibers along the centerline of the bridge structure to the bridge surface; dynamically adjusting the number of winding turns of the redundant fiber segments by controlling the servo motor in the wiring device according to the real-time vibration frequency and amplitude of the bridge; by deploying a wiring device with redundant optical fibers in the key monitoring areas, the density of local optical fiber sampling points is increased by utilizing the redundant segments to meet the bridge monitoring requirements; and the winding speed is dynamically adjusted by the servo motor to ensure that the optical fibers maintain constant tension during storage and deployment, thus avoiding damage to the optical fibers.

The utility model discloses a power device overcurrent short circuit protection circuit, which is connected between a power device driving signal circuit and a desaturation detection circuit, and comprises a first divider resistor, a second divider resistor, a first amplitude control resistor and a second amplitude control resistor which are electrically connected in sequence, the first divider resistor is connected with a power device driving signal output end of the chip; a branch of a connection point between the first amplitude control resistor and the second divider resistor is connected to a collector of the power device; a connection point between the first amplitude control resistor and the second amplitude control resistor is used as an input end of the desaturation detection circuit; according to the utility model, on the basis of realizing the desaturation detection circuit, the fine tuning effect of blanking time (namely, the anti-noise time delay can be controlled) is realized at the same time, and the driving structure cost is obviously reduced on the premise of ensuring the driving reliability of the power device without depending on the DESAT function pin of the driving chip.

The invention belongs to the field of signal modulation processing, and particularly relates to an automatic amplitude control method and system applied to radio frequency signal multi-domain modulation, which mainly comprises the steps of first peak detection and amplitude control parameter calculation, first amplitude control, second peak detection and amplitude control parameter calculation, second amplitude control and the like. Through two-stage peak detection and two-time gain control, intermediate-frequency IQ signal waveform data acquired by AD and multi-domain modulation can be realized, especially amplitude control of signal waveform data after intermediate-frequency domain and spatial domain modulation can be realized, processing insertion loss brought by a multi-domain modulation module can be minimized, and the processing efficiency can be improved. And the multi-domain modulation processing of the radio frequency signal is supported to have a power dynamic state as large as possible so as to simulate the dynamic propagation of the signal in a large-scale space.

The utility model provides a motor control system and a motor assembly. The motor control system is used for controlling a motor and comprises a data acquisition module, a control module and a driving module. Wherein the data acquisition module is arranged on the motor so as to acquire operation parameters of the motor; the data acquisition module comprises a first sensor for acquiring the mechanical vibration frequency and / or amplitude of the motor, and the operation parameters comprise the mechanical vibration frequency and / or amplitude of the motor. The control module is coupled and communicated with the data acquisition module, and outputs a control signal according to the operation parameters acquired by the data acquisition module. The driving module is coupled and communicated with the control module, is coupled with the motor, and adjusts a current control parameter input into the motor according to the control signal. According to the embodiment of the utility model, the current input into the motor can be adjusted according to the real-time mechanical vibration condition of the motor, the real-time performance is high, the mechanical vibration of the motor can be reduced, the operation efficiency of the motor is improved, and the service life of the motor is prolonged.

This invention discloses a vector modulation active phase shifter, comprising a coupling network (100) for generating quadrature signals, a first active amplitude control module (200) and a second active amplitude control module (300) composed of a common-source cascode transistor array for adjusting the gain of in-phase and quadrature signals, and a power combining and output matching network (400). The vector modulation active phase shifter includes a phase compensation network (500) located between the coupling network for generating quadrature signals and the active amplitude control module, used to optimize the phase bandwidth of the quadrature signals and improve phase shift accuracy. This invention realizes a wideband, high-precision, directly digitally controlled vector combining active phase shifter with a 360° phase shift range.

The invention discloses an ultrasonic motor driving control strategy based on voltage amplitude-frequency hardware decoupling. Phase voltage, phase current and rotation angle signals of a motor are sampled through a sensor and an encoder, a voltage and current phase difference is obtained by adopting a zero crossing point detection method, resonant frequency is obtained by combining a PID frequency regulator, and independent frequency control is realized by matching with a fixed duty ratio; the rotating speed is obtained through differential operation, reference voltage is obtained through a PI regulator, and independent amplitude control is achieved by combining a voltage amplitude obtained through a rectification average value method with a PID voltage regulator and matching with a fixed frequency. The two-stage circuit topology is adopted to independently regulate and control the voltage amplitude and the voltage frequency, the problems that voltage amplitude regulation is nonlinear and voltage frequency regulation is coupled in a traditional ultrasonic motor driving scheme are solved, the voltage amplitude is independently regulated at the front stage, the voltage frequency is independently regulated at the rear stage, hardware decoupling of the voltage amplitude and the voltage frequency is achieved, and the system reliability is improved. The harmonic content of the output voltage of the driving circuit is lower, and the voltage control is more linear.

The utility model discloses an amplitude modulation device of a tentering setting machine, which relates to the technical field of amplitude modulation devices and comprises a fixed base, a moving component arranged on one side of the fixed base, a groove formed in the surface of one side of the fixed base, a supporting plate fixedly connected to the surface of one side of the fixed base, and an overturning component arranged on one side of the supporting plate. A rotating shaft is rotationally connected to the surface of one side of the supporting plate, and a clamping assembly is arranged at one end of the rotating shaft. According to the fabric width adjusting device, the width of fabrics with different lengths and widths can be adjusted through the moving assembly and the clamping assembly, the requirements of workers are met, the application range is wide, and the practicability of the device is greatly improved; according to the utility model, through the overturning assembly, the fabric can be driven to overturn and the other side of the fabric can be subjected to process operation after the process of one side of the fabric is finished, so that the working efficiency is improved, and the labor force is reduced.

The invention belongs to the technical field of avionics testing and signal simulation, and discloses an LVDT analog simulation circuit and a signal simulation method thereof, and the LVDT analog simulation circuit comprises a main control module, a communication interface module, an excitation signal processing module and a sensor signal simulation output module. The main control module receives an external displacement setting instruction through the communication interface; the excitation signal processing module comprises a DAC unit and an excitation conditioning unit and is used for generating amplitude control voltage and conditioning an external LVDT excitation signal; the sensor signal simulation output module serves as a core and comprises a difference value control unit, a sum value control unit, a summation unit and a differencing unit, a conditioned excitation signal and amplitude control voltage are synthesized through an analog multiplier and an operational amplifier circuit, and finally three-phase differential signals (a high end, a low end and a center tap) simulating a real LVDT sensor are output. A mechanical LVDT is replaced by a full-electronic mode, high-precision, programmable and flexible simulation of displacement signals is achieved, the device is particularly suitable for occasions needing high-reliability LVDT interface testing and verification such as an aviation flight control system, and the device has the advantages of being low in cost, high in flexibility and easy to integrate automatic testing.

The invention provides an all-angle mode hemispherical resonator gyroscope electrode structure. The all-angle mode hemispherical resonator gyroscope electrode structure comprises a quartz glass substrate and a signal guide pin, on the basis of an independent electrode structure, a complete annular electrode area in the circumferential direction is added and used for amplitude control stress application of the full-angle mode hemispherical resonator gyroscope, and control errors introduced by machining errors when electrodes are segmented in the circumferential direction and stress application efficiency reduction and control noise caused by time division multiplexing of the electrodes can be effectively avoided. Through the design of the electrode size and the electrode signal path, the signal extraction of the independent electrode and the annular electrode is realized, the coupling interference is avoided, and the control efficiency is optimized.

The invention provides an inductive position sensor chip conditioning circuit based on a sum-difference product method and a chopping method. The device is characterized by comprising a signal receiving demodulation circuit (1), a direct current deviation elimination circuit (2) based on a chopping method, an active filtering and amplitude control circuit (3), a phase error elimination circuit (4) based on a sum-difference-product method, and a subsequent digital processing module (5). The method can be used for detection and signal conditioning of the rotor position of the motor by the inductance type position sensor, and can be widely applied to the fields of industrial robots, automobile manufacturing, industrial automation and the like.

This application discloses a method, apparatus, device, and medium for nonlinear drive gain compensation of a hemispherical resonator gyroscope, relating to the field of gyroscope attitude control technology. The method includes: exciting a resonator with different frequency drive voltages and obtaining a first amplitude control voltage and a second amplitude control voltage corresponding to the resonator maintaining a preset constant amplitude; determining target parameters based on the first and second amplitude control voltages; obtaining the real-time vibration state of the target hemispherical resonator gyroscope operating in full-angle mode; determining a target drive gain correction coefficient based on the real-time vibration state and target parameters; and compensating for the nonlinear drive gain of the hemispherical resonator gyroscope based on the target drive gain correction coefficient. By obtaining different voltages corresponding to the resonator maintaining a preset constant amplitude and obtaining parameters characterizing the nonlinearity of the gyroscope drive, interference from other error sources is avoided, and the problem of incomplete compensation is solved.

The invention discloses a high-order automatic gain control circuit applied to a resonant MEMS (Micro Electro Mechanical System) device, which is connected with the resonant MEMS device through a charge voltage converter, converts an initial signal input from the resonant MEMS device and outputs a signal to be processed; the peak detector performs peak sampling on the to-be-processed signal and outputs the amplitude of the to-be-processed signal; the error amplifier is used for subtracting the amplitude of the signal to be processed from an amplitude set value and outputting an amplitude error signal; and the high-order error controller processes the amplitude error signal according to a first preset configuration parameter, and outputs an amplitude control signal to control the harmonic amplitude of the resonant MEMS device. According to the invention, the z-domain transfer function of the amplitude control loop is expanded to a second order or higher order form, and the zero-pole configuration is optimized, so that the interference suppression capability limit of the traditional first-order amplitude control loop is broken through, and the improvement of the harmonic amplitude control precision is realized while the system stability is maintained.

The invention relates to the technical field of intelligent door locks, in particular to a self-return driving device and an intelligent door lock, the self-return driving device comprises a driver, a transmission module and a rotating piece, the rotating piece is used for containing an external lock cylinder and a key located in the lock cylinder, the driver is in driving connection with the rotating piece through the transmission module, and the self-return driving device further comprises a control circuit and a detector; the detector is in signal connection with the control circuit; the control circuit is used for controlling forward and reverse rotation of the driver; the detector is used for sensing the rotation amplitude of the lock cylinder driven by the non-rotating piece, and the control circuit controls the driver to rotate in the opposite direction according to the rotation amplitude so as to drive the lock cylinder to reset. The posture change of the lock cylinder is monitored through the detector, and the driver is controlled to act through the control circuit in time after the posture change of the lock cylinder is kept for a certain time, so that the lock cylinder is forced to reset in time.

The invention discloses a high-frequency constant current source generation circuit and power supply equipment, and belongs to the technical field of constant current sources. A high-frequency sinusoidal current output circuit; a DC bias current output circuit; the output end of the high-frequency sinusoidal current output circuit and the output end of the direct-current bias current output circuit are both connected with one end of the current detection resistor, and the other end of the current detection resistor is used for being connected with a load; the input end of the feedback loop is connected with the current detection resistor, and the output end of the feedback loop is connected with the controller; the feedback loop is used for extracting differential voltage at the two ends of the current detection resistor and converting the differential voltage into a direct current value; and the controller is used for adjusting the output amplitudes of the high-frequency sinusoidal current output circuit and the direct-current bias current output circuit according to the direct-current value. By arranging the feedback loop for extracting the differential voltage at the two ends of the current detection resistor and converting the differential voltage into the direct current value, the problem of amplitude control lag existing in the high-frequency constant current source is solved.

The application provides a self-synchronous voltage source group string photovoltaic inverter system and a control method, which comprises an internal potential frequency control module, a power angle quick adjustment control module, an internal potential amplitude control module, a double-mode parallel-competition dominant control module, a bridge arm modulation voltage control module and an internal potential amplitude limiting control module; the double-mode parallel-competition dominant control module is connected with the internal potential frequency control module, the power angle quick adjustment control module and the bridge arm modulation voltage control module respectively; the bridge arm modulation voltage control module is connected with the internal potential amplitude limiting control module; and the internal potential amplitude limiting control module is connected with the internal potential amplitude control module. The application realizes the seamless smooth switching of the limited power working mode and the maximum power tracking working mode, so as to realize the self-synchronous voltage source control of the group string photovoltaic inverter in the full operation mode.

Angular sensor comprising: a resonator 2() capable of exhibiting a vibration mode, radial with respect to an axis of symmetry of the resonator (2); transducers (5.1, 5.2, 6.1, 6.2) to provide a first measurement signal and a second measurement signal of a deformation of the resonator (2) respectively along a first direction and a second direction orthogonal to each other of a reference frame of the vibration mode and to apply a force on the resonator (2) along these two orthogonal directions; and an electronic processing circuit (7) electrically connected to the transducers (5, 6) and arranged so as to determine from the measurement signals an estimate of an angular velocity applied to the angular sensor and to emit control signals of the transducers (6.1, 6.2).2) to generate and maintain a vibration of the resonator (2) at a frequency corresponding substantially to a theoretical natural frequency and with a substantially constant amplitude a and a substantially zero quadrature component q, by processing an amplitude control error where is an amplitude controlled to an amplitude setpoint, a quadrature control error, an angle estimation error and a phase estimation error, characterized in that the electronic processing circuit (7) is arranged to perform compensation making said errors insensitive to a variable angular velocity of the sensor by taking into account the theoretical natural frequency and the angle estimation of the angular sensor. FIGURE OF THE ABRIDGED: Fig. 1.

The invention particularly relates to a machine room network performance optimization system based on big data, and relates to the technical field of network performance optimization. A phase difference module which reflects and controls the path difference; a total phase in-phase implementation module; a reflection amplitude control module; and a dynamic monitoring and optimizing module. According to the invention, a full-link optimization system from signal characteristic analysis to phase and amplitude fine control is constructed, a reflection and control path difference module is combined with a machine room space to flexibly adjust a path difference, an active compensation phase is introduced by a total phase in-phase implementation module, and phase deviation of metal reflection and dielectric loss is accurately counteracted; the incident wave and the reflected wave are strictly superposed in the same phase at the receiving end, a phase foundation is built for signal gain, the superposition enhancement effect is theoretically developed into stable engineering practice, the problems that the signal enhancement effect is unstable and is easily counteracted by interference in traditional optimization are solved, and high reliability of data transmission is guaranteed.

The invention belongs to the technical field of nondestructive testing, and discloses a nondestructive testing method for X-ray equipment carried by an unmanned aerial vehicle, which comprises the following steps of: fixing an X-ray transmitting module and an X-ray receiving module on a load cabin of the unmanned aerial vehicle through a damping shock absorption bracket; the damping coefficient of the damping bracket is preset according to the weight of the X-ray equipment and the maximum vibration frequency of the unmanned aerial vehicle, and meanwhile, a three-axis gyroscope and an air pressure sensor are mounted at key parts of a fuselage of the unmanned aerial vehicle. Through a multi-layer stable control system of the damping shock absorption support, the three-axis gyroscope and the air pressure sensor, flying vibration of the unmanned aerial vehicle can be actively absorbed, environment air pressure changes can be dynamically adapted, the vibration amplitude of the vehicle body is controlled within + / -0.5 degrees, the attitude adjustment response time is smaller than or equal to 0.3 s, and the unmanned aerial vehicle can be stably controlled. The problem of detection offset caused by fixed and simple equipment and no active stabilization mechanism in the existing method is solved, the stability of the detection process is remarkably improved, and the data distortion rate is reduced.