A new type of potential measuring device and method for holographic radio

Abstract

The application discloses a novel potential measuring device and method for holographic radio, which comprises a supporting mechanism, the supporting mechanism comprises a supporting frame, the surface of the supporting frame is fixedly connected with a first electric telescopic rod, and the side of the upper end of the supporting frame is fixedly connected with a second electric telescopic rod, and the application belongs to the technical field of potential measurement, and aims to solve the problem that the signal acquisition and processing structure of the existing device is difficult to realize high-resolution potential imaging in the prior art, and achieves the technical effect that: by adopting a non-contact design, long-distance potential measurement is realized by using radio waves, and the interference and damage of the traditional contact method to the measured object are avoided; meanwhile, the three-dimensional array receiving antenna is combined with a holographic algorithm, signals can be collected at multiple angles, and a high-resolution three-dimensional potential distribution can be reconstructed, and the limitation of insufficient resolution of the traditional non-contact measurement is broken through.

Description

Technical Field

[0001] This invention relates to the field of potential measurement technology, and specifically to a novel holographic radio potential measurement device and method. Background Technology

[0002] Electric potential measurement is a core technology for detecting the distribution of electric potential energy on the surface of an object or in space, and it is widely used in fields such as power equipment safety monitoring, electronic component design, bioelectrical signal analysis, and materials science research. Traditional methods mainly rely on contact probes or capacitive sensors to obtain local potential values ​​through direct contact or near-field coupling, but these methods are limited by measurement interference and low spatial resolution, making it difficult to achieve full-domain dynamic monitoring in complex scenarios. With the advancement of radio technology and computational imaging, non-contact potential measurement has become a research hotspot.

[0003] Traditional potential measurement techniques rely on contact probes, which suffer from high operational risks and low resolution. While non-contact measurement methods avoid physical contact, the signal acquisition and processing structures of existing devices struggle to achieve high-resolution potential imaging. For example, devices based on electric field coupling typically employ single-point or sparse array sensors, failing to acquire complete spatial phase information. Therefore, a novel holographic radio potential measurement device and method are proposed. Summary of the Invention

[0004] Therefore, the present invention provides a novel holographic radio potential measurement device and method to solve the above-mentioned problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] According to a first aspect of the present invention, a novel holographic radio potential measurement device and method includes a support mechanism, the support mechanism comprising a support frame, a first electrically operated telescopic rod fixedly connected to the surface of the support frame, and a second electrically operated telescopic rod fixedly connected to one side of the upper end of the support frame; a radio wave transmitting system, the radio wave transmitting system comprising a directional transmitting antenna assembly, the surface of the directional transmitting antenna assembly being fixedly connected to one end of the first electrically operated telescopic rod, a frequency-adjustable radio frequency generator disposed on the surface of the directional transmitting antenna assembly, and a transmission control unit disposed on the back side of the directional transmitting antenna assembly; and a holographic signal acquisition system, the holographic signal acquisition system comprising a three-dimensional array receiving antenna, the three-dimensional array receiving antenna... One side of the receiving antenna is fixedly connected to one end of the second electric telescopic rod. The surface of the three-dimensional array receiving antenna is provided with a multi-channel signal receiving and preprocessing module, and the surface of the multi-channel signal receiving and preprocessing module is provided with a signal transmission and synchronization unit. A visualization and control terminal includes a housing, one side of which is fixedly connected to one side of the support frame. The interior of the housing is provided with a data storage unit. The lower end of the front of the housing is provided with a human-machine interface, and the upper part of the human-machine interface is provided with a real-time display interface for three-dimensional maps. A holographic processing and potential calculation system includes a signal preprocessing module, a holographic reconstruction module, and a potential inversion and calculation module.

[0007] Furthermore, the frequency-adjustable RF generator supports frequency adjustment from 0.1GHz to 300GHz, has a built-in digital modulation module, supports multiple modulation methods such as AM, FM, and PSK, and has an adjustable output power range of -30dBm to +20dBm, and is equipped with a power amplifier.

[0008] Furthermore, the directional transmitting antenna assembly adopts a parabolic reflector structure to focus radio waves into a narrow beam for transmission to the area under test. The back of the antenna is integrated with a feed horn and connected to the frequency-tunable radio frequency generator via a low-loss coaxial cable.

[0009] Furthermore, the transmission control unit includes an embedded microcontroller that monitors the output power and frequency parameters of the radio frequency generator in real time and communicates with a visualization and control terminal via an Ethernet interface.

[0010] Furthermore, the three-dimensional array receiving antenna adopts a hemispherical array structure, the array contains multiple omnidirectional microstrip patch antenna elements, which are uniformly distributed on the hemisphere, and each antenna element is equipped with a low-noise amplifier with a noise figure of less than 2dB.

[0011] Furthermore, the multi-channel signal receiving and preprocessing module adopts a 256-channel parallel acquisition card, each channel is equipped with a 14-bit analog-to-digital converter, a sampling rate of 20GS / s, supports real-time phase and amplitude information acquisition, has a built-in digital down-converter to convert high-frequency signals into baseband signals to reduce data processing volume, and integrates a phase calibration circuit to eliminate phase deviations between channels through a reference signal to ensure signal consistency. The signals of each channel of the signal transmission and synchronization unit are transmitted to the holographic processing and potential calculation system through high-speed optical fiber.

[0012] Furthermore, the signal preprocessing module implements real-time filtering based on a field-programmable gate array, uses a finite impulse response filter to eliminate noise and interference, performs phase unwrapping processing on the signal, and corrects phase distortion caused by the geometric layout of the antenna array.

[0013] Furthermore, the holographic reconstruction module employs Fresnel diffraction algorithm to accelerate holographic reconstruction. It utilizes phase and amplitude information collected by multiple antennas to reconstruct a three-dimensional electric field distribution hologram of the measured area. Simultaneously, it integrates a graphics processor to achieve fast parallel computing and meet real-time processing requirements.

[0014] Furthermore, the potential inversion and calculation module uses the electric field distribution to invert the potential distribution based on Maxwell's equations and the Poisson equation solver, and has a built-in calibration database to store the electromagnetic parameters of different materials.

[0015] Furthermore, a method for using a novel holographic radio potential measurement device is provided, including...

[0016] S1: Parameter configuration; Set the transmit frequency of the RF generator and the acquisition parameters of the antenna array through the visualization and control terminal;

[0017] S2: Signal transmission; the directional transmitting antenna assembly transmits focused radio waves toward the area under test;

[0018] S3: Holographic signal acquisition; a three-dimensional array receiving antenna acquires reflected signals from multiple angles, and a multi-channel receiver synchronously records the phase, amplitude, and time information of the signal;

[0019] S4: Holographic reconstruction and electric potential calculation; After signal preprocessing, a three-dimensional electric field distribution is generated using an algorithm, and then the electric potential spectrum is obtained through electric potential inversion;

[0020] S5: Results Display; The visualization terminal displays the potential distribution in the form of a 3D stereoscopic image or a 2D pseudo-color image, and supports dynamic updates.

[0021] This invention has the following advantages: By adopting a non-contact design, it utilizes radio waves to achieve long-distance potential measurement, avoiding interference and damage to the measured object caused by traditional contact methods; simultaneously, the combination of a three-dimensional array receiving antenna and a holographic algorithm enables multi-angle signal acquisition and reconstruction of a high-resolution three-dimensional potential distribution, overcoming the limitation of insufficient resolution in traditional non-contact measurements; furthermore, the system integrates a wideband RF generator and a real-time signal processing module, supporting dynamic monitoring and rapid response. The device has a compact structure, and by optimizing the antenna layout and signal transmission design, it improves anti-interference capabilities and measurement stability. Combined with a three-dimensional visualization terminal, it achieves intuitive presentation and intelligent control of the potential distribution. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the main structure of a novel holographic radio potential measurement device provided by the present invention.

[0023] Figure 2 This is a side view of a novel holographic radio potential measurement device provided by the present invention.

[0024] Figure 3 This is a bottom-view structural diagram of a novel holographic radio potential measurement device provided by the present invention.

[0025] Figure 4 This is an exploded structural diagram of a novel holographic radio potential measurement device provided by the present invention.

[0026] Figure 5 The present invention provides a flowchart of a method for using a novel holographic radio potential measurement device.

[0027] In the diagram: 11. Support frame; 12. First electric telescopic pole; 13. Second electric telescopic pole; 21. Directional transmitting antenna assembly; 22. Frequency-adjustable radio frequency generator; 23. Transmit control unit; 31. Three-dimensional array receiving antenna; 32. Multi-channel signal receiving and preprocessing module; 33. Signal transmission and synchronization unit; 41. Housing; 42. Data storage unit; 43. Human-machine interface; 44. Real-time display interface of three-dimensional map; 51. Signal preprocessing module; 52. Holographic reconstruction module; 53. Potential inversion and calculation module. Detailed Implementation

[0028] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example 1

[0030] like Figures 1 to 5 As shown, a novel holographic radio potential measurement device according to a first aspect embodiment of the present invention includes a support mechanism, which includes a support frame 11. A first electrically operated telescopic rod 12 is fixedly connected to the surface of the support frame 11, and a second electrically operated telescopic rod 13 is fixedly connected to one side of the upper end of the support frame 11. A radio wave transmitting system includes a directional transmitting antenna assembly 21, the surface of which is fixedly connected to one end of the first electrically operated telescopic rod 12. A frequency-adjustable radio frequency generator 22 is disposed on the surface of the directional transmitting antenna assembly 21, and a transmitting control unit 23 is disposed on the back of the directional transmitting antenna assembly 21. A holographic signal acquisition system includes a three-dimensional array receiving antenna 31. One side of the antenna is fixedly connected to one end of the second electric telescopic rod 13. The surface of the three-dimensional array receiving antenna 31 is provided with a multi-channel signal receiving and preprocessing module 32, and the surface of the multi-channel signal receiving and preprocessing module 32 is provided with a signal transmission and synchronization unit 33. The visualization and control terminal includes a housing 41, one side of the housing 41 is fixedly connected to one side of the support frame 11, the inside of the housing 41 is provided with a data storage unit 42, the lower end of the front of the housing 41 is provided with a human-machine interface 43, and the upper part of the human-machine interface 43 is provided with a three-dimensional map real-time display interface 44. The holographic processing and potential calculation system includes a signal preprocessing module 51, a holographic reconstruction module 52, and a potential inversion and calculation module 53.

[0031] In the above embodiments, it should be noted that the human-machine interface 43 is operated to set the transmission frequency, power and other parameters of the frequency-adjustable radio frequency generator 22, and at the same time set the acquisition parameters of the three-dimensional array receiving antenna 31. The embedded microcontroller in the transmission control unit 23 receives and processes these setting information to ensure that the frequency-adjustable radio frequency generator 22 works according to the set parameters. After the parameter setting is completed, it enters the radio wave transmission stage. The frequency-adjustable radio frequency generator 22 generates a signal with a specific frequency and modulation mode. After the signal is amplified by the power amplifier, it is transmitted to the directional transmission antenna assembly 21 through a low-loss coaxial cable. The directional transmission antenna assembly 21 adopts a parabolic reflector structure to focus the radio waves into a narrow beam and transmit them to the area under test.

[0032] The technical effect achieved by the above embodiment is as follows: after the signal is amplified by the power amplifier, it is transmitted to the directional transmitting antenna assembly 21 through a low-loss coaxial cable. The directional transmitting antenna assembly 21 adopts a parabolic reflector structure to focus the radio waves into a narrow beam and transmit them to the area under test.

[0033] Example 2

[0034] like Figures 1 to 5 As shown, a novel holographic radio potential measurement device and method are disclosed, including all the contents of Embodiment 1. Furthermore, the frequency-adjustable RF generator 22 supports frequency adjustment from 0.1 GHz to 300 GHz, has a built-in digital modulation module supporting multiple modulation methods such as AM, FM, and PSK, and an adjustable output power range of -30 dBm to +20 dBm. It is equipped with a power amplifier. The directional transmitting antenna assembly 21 adopts a parabolic reflector structure to focus radio waves into a narrow beam for transmission to the measured area. A feed horn is integrated on the back and connected to the frequency-adjustable RF generator 22 via a low-loss coaxial cable. The transmitting control unit 23 includes an embedded microcontroller that monitors the output power and frequency parameters of the RF generator in real time and connects to the transmitter via an Ethernet interface. The visualization and control terminal communication uses a three-dimensional array receiving antenna 31 with a hemispherical array structure. The array contains multiple omnidirectional microstrip patch antenna elements, which are evenly distributed on the hemisphere. Each antenna element is equipped with a low-noise amplifier with a noise figure of less than 2dB. The multi-channel signal receiving and preprocessing module 32 uses a 256-channel parallel acquisition card. Each channel is equipped with a 14-bit analog-to-digital converter with a sampling rate of 20GS / s. It supports real-time phase and amplitude information acquisition and has a built-in digital downconverter to convert high-frequency signals into baseband signals, reducing the amount of data processing. It integrates a phase calibration circuit to eliminate phase deviations between channels through a reference signal to ensure signal consistency. The signal transmission and synchronization unit 33 transmits signals from each channel to the holographic processing and potential calculation system through high-speed optical fiber.

[0035] In the above embodiments, it should be noted that the three-dimensional array receiving antenna 31 is hemispherically distributed and collects radio wave signals reflected from the measured area from multiple angles. Each omnidirectional microstrip patch antenna unit is equipped with a low-noise amplifier to amplify the weak signal. The 256-channel parallel acquisition card of the multi-channel signal receiving and preprocessing module 32 collects the phase, amplitude and time information of the signal at a sampling rate of 20GS / s. The built-in digital frequency converter of the multi-channel signal receiving and preprocessing module 32 converts the high-frequency signal into a baseband signal to reduce the amount of data processing. Its integrated phase calibration circuit eliminates the phase deviation between channels to ensure signal consistency. The signal transmission and synchronization unit 33 transmits the processed signal to the holographic processing and potential calculation system through high-speed optical fiber.

[0036] The technical effect achieved by the above embodiments is that the signal transmission and synchronization unit 33 transmits the processed signal to the holographic processing and potential calculation system through high-speed optical fiber.

[0037] Example 3

[0038] like Figures 1 to 5As shown, a novel holographic radio potential measurement device and method includes all the contents of Embodiment 2. Furthermore, the signal preprocessing module 51 implements real-time filtering based on a field-programmable gate array (FPGA), uses a finite impulse response (FIR) filter to eliminate noise and interference, performs phase unwrapping processing on the signal, and corrects phase distortion caused by the antenna array's geometric layout. The holographic reconstruction module 52 uses Fresnel diffraction algorithm to accelerate holographic reconstruction, reconstructing a three-dimensional electric field distribution hologram of the measured area using phase and amplitude information collected by multiple antennas. It also integrates a graphics processor to achieve fast parallel computation, meeting real-time processing requirements. The potential inversion and calculation module 53 inverts the potential distribution using the electric field distribution through a Poisson equation solver based on Maxwell's equations, and includes built-in calibration data. A library stores electromagnetic parameters of different materials. A method for measuring potential using a novel holographic radio potential device includes: S1: Parameter configuration; setting the transmission frequency of the RF generator and the acquisition parameters of the antenna array via a visualization and control terminal; S2: Signal transmission; a directional transmitting antenna assembly transmits focused radio waves to the area under test; S3: Holographic signal acquisition; a three-dimensional array receiving antenna acquires reflected signals from multiple angles, and a multi-channel receiver synchronously records the phase, amplitude, and time information of the signal; S4: Holographic reconstruction and potential calculation; after signal preprocessing, an algorithm generates a three-dimensional electric field distribution, and then potential inversion is used to obtain a potential spectrum; S5: Result display; the visualization terminal displays the potential distribution in the form of a three-dimensional stereoscopic image or a two-dimensional pseudo-color image, and supports dynamic updates.

[0039] In the above embodiments, it should be noted that the signal preprocessing module 51 is based on a field-programmable gate array (FPGA) and uses a finite impulse response (FIR) filter to perform real-time filtering of the signal, eliminating noise and interference, and performing phase unwrapping processing to correct phase distortion. The holographic reconstruction module 52 uses the Fresnel diffraction algorithm, utilizing the phase and amplitude information collected by multiple antennas, combined with the fast parallel computing capabilities of the graphics processor, to reconstruct a three-dimensional electric field distribution hologram of the measured area. The potential inversion and calculation module 53, based on Maxwell's equations, uses the electric field distribution to invert the potential distribution through a Poisson equation solver, and simultaneously refers to the electromagnetic parameters of different materials in the built-in calibration database to improve the calculation efficiency. After calculating the accuracy, the results are displayed and dynamically monitored. The data storage unit 42 of the visualization and control terminal stores the processed data, and the three-dimensional map real-time display interface 44 displays the potential distribution in the form of a three-dimensional stereoscopic map or a two-dimensional pseudo-color map, and supports dynamic updates, which makes it convenient for users to monitor the potential changes in the measured area in real time. At the same time, users can also adjust the measurement parameters through the human-machine interface 43 to achieve intelligent control. Throughout the process, the support frame 11, the first electric telescopic rod 12 and the second electric telescopic rod 13 of the support mechanism provide an adjustable support structure for the radio wave transmission system and the holographic signal acquisition system, ensuring the flexibility and accuracy of the measurement.

[0040] The technical effects achieved by the above embodiments are as follows: the three-dimensional spectrum real-time display interface 44 displays the potential distribution in the form of a three-dimensional stereoscopic image or a two-dimensional pseudo-color image, and supports dynamic updates, which makes it convenient for users to monitor the potential changes of the measured area in real time. At the same time, users can also adjust the measurement parameters through the human-computer interaction interface 43 to achieve intelligent control.

[0041] Working principle: Operated via the human-machine interface 43, the frequency-adjustable RF generator 22's transmission frequency, power, and other parameters are set. Simultaneously, the acquisition parameters of the three-dimensional array receiving antenna 31 are set. The embedded microcontroller in the transmission control unit 23 receives and processes this setting information, ensuring the frequency-adjustable RF generator 22 operates according to the set parameters. After parameter setting is complete, the radio wave transmission phase begins. The frequency-adjustable RF generator 22 generates a signal with a specific frequency and modulation scheme. This signal is amplified by a power amplifier and transmitted through a low-loss coaxial cable to the directional transmitting antenna assembly 21. The directional transmitting antenna assembly 21 employs a parabolic reflector structure to focus the radio waves into a narrow beam. The signal is transmitted to the test area, followed by holographic signal acquisition. The three-dimensional array receiving antenna 31 is hemispherically distributed, acquiring radio wave signals reflected from the test area from multiple angles. Each omnidirectional microstrip patch antenna unit is equipped with a low-noise amplifier to amplify the weak signal. The 256-channel parallel acquisition card of the multi-channel signal receiving and preprocessing module 32 acquires the phase, amplitude, and time information of the signal at a sampling rate of 20GS / s. The built-in digital frequency converter of the multi-channel signal receiving and preprocessing module 32 converts the high-frequency signal into a baseband signal, reducing the amount of data processing. Its integrated phase calibration circuit eliminates the phase deviation between channels, ensuring signal consistency. The signal transmission and synchronization unit 33 transmits high-frequency signals through a high-frequency array. The high-speed optical fiber transmits the processed signal to the holographic processing and potential calculation system, where holographic reconstruction and potential calculation are performed. The signal preprocessing module 51, based on a field-programmable gate array (FPGA), uses a finite impulse response (FIR) filter to perform real-time filtering of the signal, eliminating noise and interference, and performing phase unwrapping to correct phase distortion. The holographic reconstruction module 52 uses the Fresnel diffraction algorithm, utilizing phase and amplitude information acquired by multiple antennas, combined with the fast parallel computing capabilities of a graphics processor, to reconstruct a three-dimensional electric field distribution hologram of the measured area. The potential inversion and calculation module 53, based on Maxwell's equations, uses the electric field distribution to invert the potential distribution through a Poisson equation solver, while simultaneously referencing the built-in calibration database. The electromagnetic parameters of the same material are used to improve the calculation accuracy. Then, the results are displayed and dynamically monitored. The data storage unit 42 of the visualization and control terminal stores the processed data. The three-dimensional map real-time display interface 44 displays the potential distribution in the form of a three-dimensional stereoscopic map or a two-dimensional pseudo-color map, and supports dynamic updates, which makes it convenient for users to monitor the potential changes of the measured area in real time. At the same time, users can also adjust the measurement parameters through the human-computer interaction interface 43 to achieve intelligent control. Throughout the process, the support frame 11, the first electric telescopic rod 12 and the second electric telescopic rod 13 of the support mechanism provide an adjustable support structure for the radio wave transmission system and the holographic signal acquisition system, ensuring the flexibility and accuracy of the measurement.

Claims

1. A novel holographic radio potential measurement device, characterized in that, include The support mechanism includes a support frame (11), a first electric telescopic rod (12) is fixedly connected to the surface of the support frame (11), and a second electric telescopic rod (13) is fixedly connected to one side of the upper end of the support frame (11). A radio wave transmitting system, the radio wave transmitting system including a directional transmitting antenna assembly (21), the surface of the directional transmitting antenna assembly (21) being fixedly connected to one end of a first electric telescopic rod (12), the surface of the directional transmitting antenna assembly (21) being provided with a frequency-adjustable radio frequency generator (22), and the back of the directional transmitting antenna assembly (21) being provided with a transmitting control unit (23); A holographic signal acquisition system, comprising a three-dimensional array receiving antenna (31), one side of which is fixedly connected to one end of a second electric telescopic rod (13), and a multi-channel signal receiving and preprocessing module (32) is provided on the surface of the three-dimensional array receiving antenna (31), and a signal transmission and synchronization unit (33) is provided on the surface of the multi-channel signal receiving and preprocessing module (32). The visualization and control terminal includes a housing (41), one side of the housing (41) is fixedly connected to one side of the support frame (11), a data storage unit (42) is provided inside the housing (41), a human-computer interaction interface (43) is provided at the lower end of the front of the housing (41), and a three-dimensional map real-time display interface (44) is provided above the human-computer interaction interface (43). The holographic processing and potential calculation system includes a signal preprocessing module (51), a holographic reconstruction module (52), and a potential inversion and calculation module (53).

2. The novel holographic radio potential measuring device according to claim 1, characterized in that, The frequency-adjustable RF generator (22) supports frequency adjustment from 0.1 GHz to 300 GHz, has a built-in digital modulation module, supports multiple modulation methods such as AM, FM, and PSK, and has an adjustable output power range of -30 dBm to +20 dBm. It is equipped with a power amplifier.

3. The novel holographic radio potential measuring device according to claim 1, characterized in that, The directional transmitting antenna assembly (21) adopts a parabolic reflector structure to focus radio waves into a narrow beam and transmit them to the area under test. The back of the assembly integrates a feed horn and is connected to the frequency-adjustable radio frequency generator (22) via a low-loss coaxial cable.

4. The novel holographic radio potential measuring device according to claim 1, characterized in that, The transmission control unit (23) includes an embedded microcontroller that monitors the output power and frequency parameters of the radio frequency generator in real time and communicates with the visualization and control terminal via an Ethernet interface.

5. A novel holographic radio potential measuring device according to claim 1, characterized in that, The three-dimensional array receiving antenna (31) adopts a hemispherical array structure. The array contains multiple omnidirectional microstrip patch antenna elements, which are evenly distributed on the hemispherical surface. Each antenna element is equipped with a low-noise amplifier with a noise figure of less than 2dB.

6. The novel holographic radio potential measuring device according to claim 1, characterized in that, The multi-channel signal receiving and preprocessing module (32) adopts a 256-channel parallel acquisition card, each channel is equipped with a 14-bit analog-to-digital converter, the sampling rate is 20GS / s, it supports real-time phase and amplitude information acquisition, and has a built-in digital down-converter to convert high-frequency signals into baseband signals to reduce the amount of data processing. It integrates a phase calibration circuit to eliminate phase deviations between channels through a reference signal to ensure signal consistency. The signal transmission and synchronization unit (33) transmits the signals of each channel to the holographic processing and potential calculation system through high-speed optical fiber.

7. A novel holographic radio potential measuring device according to claim 1, characterized in that, The signal preprocessing module (51) implements real-time filtering based on field-programmable gate array, uses finite impulse response filter to eliminate noise and interference, performs phase unwrapping processing on the signal, and corrects phase distortion caused by the geometric layout of the antenna array.

8. A novel holographic radio potential measuring device according to claim 1, characterized in that, The holographic reconstruction module (52) uses Fresnel diffraction algorithm to accelerate holographic reconstruction. It uses phase and amplitude information collected by multiple antennas to reconstruct a three-dimensional electric field distribution hologram of the measured area. At the same time, it integrates a graphics processor to realize fast parallel computing and meet the real-time processing requirements.

9. A novel holographic radio potential measuring device according to claim 1, characterized in that, The potential inversion and calculation module (53) inverts the potential distribution using the electric field distribution through the Poisson equation solver based on Maxwell's equations. It has a built-in calibration database that stores the electromagnetic parameters of different materials.

10. A method for using the novel holographic radio potential measuring device according to any one of claims 1-9, characterized in that, include S1: Parameter configuration; Set the transmit frequency of the RF generator and the acquisition parameters of the antenna array through the visualization and control terminal; S2: Signal transmission; the directional transmitting antenna assembly transmits focused radio waves toward the area under test; S3: Holographic signal acquisition; a three-dimensional array receiving antenna acquires reflected signals from multiple angles, and a multi-channel receiver synchronously records the phase, amplitude, and time information of the signal; S4: Holographic reconstruction and electric potential calculation; After signal preprocessing, a three-dimensional electric field distribution is generated using an algorithm, and then the electric potential spectrum is obtained through electric potential inversion; S5: Results Display; The visualization terminal displays the potential distribution in the form of a 3D stereoscopic image or a 2D pseudo-color image, and supports dynamic updates.

Images