CN108398605B - Ground nuclear explosion electromagnetic pulse composite environment simulation system and simulation method - Google Patents
Ground nuclear explosion electromagnetic pulse composite environment simulation system and simulation method Download PDFInfo
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- CN108398605B CN108398605B CN201810295803.2A CN201810295803A CN108398605B CN 108398605 B CN108398605 B CN 108398605B CN 201810295803 A CN201810295803 A CN 201810295803A CN 108398605 B CN108398605 B CN 108398605B
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Abstract
The invention discloses a ground nuclear explosion electromagnetic pulse composite environment simulation system and a simulation method, wherein the system comprises a magnetic field control circuit, an electric field control circuit and a magnetic field coil, wherein the magnetic field control circuit is communicated with one end of the magnetic field coil through a first delay circuit and is used for controlling the generation of a pulse magnetic field environment in the magnetic field coil, the other end of the magnetic field coil is communicated with the electric field control circuit through a Rogowski coil, a signal acquisition circuit, a signal conditioning circuit and a second delay circuit in sequence, a uniform field test space is generated in the magnetic field coil, a radiation antenna surrounds the uniform field test space, the electric field control circuit is connected with the radiation antenna, and a pulse strong electric field environment is generated in the radiation antenna space. The simulation system truly and effectively simulates the electromagnetic pulse electric field and magnetic field radiation environment generated by the ground nuclear explosion, realizes the environment simulation of the ground nuclear explosion electromagnetic pulse composite field, is scientific, reasonable, safe and reliable, and is suitable for carrying out the related research work of the ground nuclear explosion electromagnetic pulse environment effect.
Description
Technical Field
The invention relates to the field of electromagnetic environment simulation, in particular to a system and a method for simulating a ground nuclear explosion electromagnetic pulse composite environment.
Background
Due to the extreme asymmetry of the explosion environment, when the nuclear weapon explodes on the ground, a low-frequency low-impedance pulse strong magnetic field with the magnetic induction intensity peak reaching hundreds of gauss, the pulse duration reaching millisecond level and the main energy spectrum range between 10Hz and 100kHz can be generated on the ground surface, and the generated electric field has the rise time of 10-100 ns, the half-wave width of 1ms and the intensity of 100kV/m. The ground nuclear explosion electromagnetic pulse has the characteristics of high intensity, high energy, low frequency, long duration and the like, can directly cause serious damage to electromagnetic sensitive equipment exposed in a radiation field, has extremely strong penetrating power to a rock-soil medium, can penetrate through a protective structure layer to enter the engineering, interferes or damages electronic equipment and systems in the engineering, and forms serious threat to equipment in all radiation ranges. Therefore, it is very important to study the effect of the ground nuclear explosion electromagnetic pulse and its protection technique.
However, the research on the electromagnetic pulse electric field or magnetic field of the ground nuclear explosion is relatively few and insufficient. The research on the electromagnetic pulse magnetic field of the ground nuclear explosion has been reported, but the research is limited to small equipment or devices, and the research lacks of large-size simulation source related research; however, no public report is yet made on the research of the electromagnetic pulse electric field of the ground nuclear explosion. In particular, the study of the composite effect of the electromagnetic pulse electric field and the magnetic field is not involved. According to the theory of electromagnetic field propagation, the electric field and the magnetic field simultaneously act, but the electric field and the magnetic field need to meet the fixed impedance relation in the far-field environment, so that the simulation of the actual electromagnetic field composite environment is not realistic. However, for the ground nuclear explosion source area, the electromagnetic field environment is quite complex, a fixed impedance relation does not exist in a strict sense, and the electric field environment and the magnetic field environment can be independently simulated to exist at the same time, so that the possibility is provided for simulating the electromagnetic pulse composite environment of the ground nuclear explosion source area.
Disclosure of Invention
The invention aims to solve the technical problem of providing a simulation system and a simulation method for the electromagnetic pulse composite environment of the ground nuclear explosion, which ensure that the electromagnetic pulse electric field and the magnetic field radiation environment generated by the ground nuclear explosion are truly and effectively simulated, and the simulation of the environment of the electromagnetic pulse composite field of the ground nuclear explosion is realized.
In order to solve the technical problems, the invention adopts the following technical scheme: the ground nuclear explosion electromagnetic pulse composite environment simulation system is characterized by comprising a magnetic field control circuit, an electric field control circuit and a magnetic field coil, wherein the magnetic field control circuit is communicated with one end of the magnetic field coil through a first delay circuit, a pulse magnetic field environment is generated in the magnetic field coil, the other end of the magnetic field coil is communicated with the electric field control circuit through a Rogowski coil, a signal acquisition circuit, a signal conditioning circuit and a second delay circuit in sequence, a horizontal supporting wood floor is arranged in the magnetic field coil, a sufficient uniform field test space is reserved between the upper part of the supporting wood floor and the magnetic field coil, parallel line type radiation antennas are further arranged in the magnetic field coil, the radiation antennas surround the uniform field test space, the electric field control circuit is connected with the radiation antennas, and a pulse strong electric field environment is generated in the radiation antenna space.
The electric field control circuit comprises a high-voltage charge and discharge control circuit, a direct-current high-voltage charge power supply, an energy storage capacitor bank, a high-voltage discharge switch, a high-power load and a radiation antenna, wherein the high-voltage charge and discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through the control circuit to control the on-off of the discharge switch to complete a discharge process; the energy storage capacitor bank stores power supply energy and releases energy to the radiation antenna by utilizing the connection of the high-voltage discharge switch, so that a required pulse strong electric field environment is generated in the space of the radiation antenna; the high power load absorbs the released energy, so as to prevent the equipment from being damaged due to the overlarge energy.
The scheme is further supplemented, and the main indexes of the pulse strong electric field are as follows: the radiation field is a double-index pulse signal, the rising edge of the pulse is not more than 100ns, the half-width of the pulse can be adjusted to be not less than 1ms, and the electric field intensity can be adjusted to be not less than 100kV/m.
The magnetic field control circuit comprises a high-voltage charge and discharge control circuit, a direct-current high-voltage charge power supply, an energy storage capacitor bank, a high-voltage discharge switch, a high-power load and a magnetic field coil, wherein the high-voltage charge and discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through the control circuit to control the on-off of the discharge switch to complete a discharge process; the energy storage capacitor bank stores power supply energy and releases energy to the magnetic field coil by utilizing the connection of the high-voltage discharge switch, so that a required pulse magnetic field environment is generated in the magnetic field coil; the high power load absorbs the released energy to prevent equipment damage caused by excessive energy.
The scheme is further supplemented, and the main indexes of the pulse magnetic field are as follows: the pulse magnetic field waveform is double-index pulse, the highest magnetic induction intensity is not less than 30mT, the pulse rising time is not more than 500 mu s, and the pulse width is not more than 2ms.
Further supplementing the above scheme, the uniform field test space is not less than 1.5m 3 。
By combining the scheme, the method for simulating the electromagnetic pulse composite environment of the ground nuclear explosion is provided, and is characterized by comprising the following steps of:
(1) Connecting a magnetic field simulator and an electric field simulator, sleeving the pulse current measuring rogowski coil in a discharge loop by using the pulse current measuring rogowski coil as magnetic field signal acquisition equipment, and measuring the pulse current in the magnetic field coil;
(2) The delay time of the first delay circuit and the delay time of the second delay circuit are respectively preset, the magnetic field generator and the electric field generator are respectively controlled to be charged through the magnetic field control circuit and the electric field control circuit, and the two simulators are in a state to be triggered;
(3) Triggering the magnetic field simulator to act, and generating pulse current in the whole magnetic field coil after the set first delay device delays, so as to generate a pulse magnetic field in the magnetic field coil;
(4) In the step (3), pulse current signals are collected by the Rogowski coil and transmitted to the signal conditioning circuit, the signals are subjected to filtering and shaping processing, then trigger pulse signals are output, after the trigger pulse signals are delayed by the second delayer, the electric field simulator is triggered to act, a pulse electric field is generated in the radiation antenna, and the radiation antenna is positioned in the magnetic field coil, so that a magnetic field and an electric field environment generated by the magnetic field simulator and the electric field simulator are compounded respectively, and a ground nuclear explosion electromagnetic pulse compound environment is formed.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the system can independently simulate the radiation environment and the electric field radiation environment of the electromagnetic pulse of the ground nuclear explosion electromagnetic pulse and also simulate the radiation environment of the electromagnetic pulse of the ground nuclear explosion electromagnetic pulse, and the ground nuclear explosion electromagnetic pulse composite environment simulation method based on the system is scientific, reasonable, safe, reliable, simple in operation, convenient in parameter adjustment and easy to control, realizes the real simulation of the electromagnetic pulse environment of the ground nuclear explosion in a laboratory, and can be widely applied to related electromagnetic effect and electromagnetic protection research.
Drawings
FIG. 1 is a schematic diagram of a composite environment simulation of a ground nuclear explosion electromagnetic pulse in the invention;
FIG. 2 is a schematic diagram of a composite environment simulation of a ground nuclear explosion electromagnetic pulse;
FIG. 3 is a schematic diagram of a simulation of the electromagnetic pulse magnetic field of a ground nuclear explosion;
FIG. 4 is a schematic diagram of a simulation of the electromagnetic pulse electric field of a ground nuclear explosion;
FIG. 5 is a simulated waveform diagram of a ground nuclear explosion electromagnetic pulse composite environment;
FIG. 6 trigger delay cell circuit board;
FIG. 7 is an external signal conditioning unit circuit board;
in the figure: 1. supporting the wood floor; 2. a magnetic field coil; 3. a uniform field test space; 4. a radiating antenna; 5. a rogowski coil; 6. a signal acquisition circuit; 7. a signal conditioning circuit; 8. a first delay circuit, 9 and a second delay circuit.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of a ground nuclear explosion electromagnetic pulse composite environment simulation, which specifically comprises a magnetic field control circuit, an electric field control circuit and a magnetic field coil 2, wherein the magnetic field control circuit is communicated with one end of the magnetic field coil 2 through a first delay circuit 8, a pulse magnetic field environment is generated in the magnetic field coil 2, the other end of the magnetic field coil 2 is communicated with the electric field control circuit through a rogowski coil 5, a signal acquisition circuit 6, a signal conditioning circuit 7 and a second delay circuit 9 in sequence, a horizontal supporting wood floor 1 is arranged in the magnetic field coil 2, a sufficient uniform field test space 3 is reserved between the upper part of the supporting wood floor 1 and the magnetic field coil 2, parallel line type radiation antennas 4 are further arranged in the magnetic field coil 2, the radiation antennas 4 surround the uniform field test space 3, the electric field control circuit is connected with the radiation antennas 4, and a pulse strong electric field environment is generated in the space of the radiation antennas 4. The supporting wooden floor 1 described above is mainly used for fixing the magnetic field coil 2 and supporting the radiation antenna 4.
The simulation principle of the ground nuclear explosion electromagnetic pulse composite field is shown in fig. 2, and the ground nuclear explosion electromagnetic pulse composite field simulation principle comprises a magnetic field simulator, a signal acquisition circuit, a signal conditioning circuit, a second delay circuit, an electric field simulator, a control circuit and a second delay circuit which are sequentially connected in the sequence to form a closed control loop. The principle is that a magnetic field and an electric field simulator are utilized to respectively generate a magnetic field and an electric field environment of a composite ground nuclear explosion electromagnetic environment, and the rising edge time of the electric field signal is shorter relative to the magnetic field signal, so that a signal acquisition circuit is additionally arranged in a waveform generation circuit of the magnetic field simulator, then the acquired signal is transmitted to a signal conditioning circuit, the acquired signal is subjected to shaping processing such as filtering, and a trigger pulse signal with a certain amplitude is output to enter a second delay circuit 9. The second delay circuit 9 can set delay time to delay the trigger pulse signal, and the trigger pulse signal after fixed delay triggers the electric field simulator to generate the ground nuclear explosion electromagnetic pulse electric field environment. Considering the existence of simulator action time and switch jitter time, a first delay circuit 8 is added at the output end of the trigger pulse signal of the magnetic field simulator control circuit for adjusting the generation time of the magnetic field waveform. The radiation antenna 4 is located inside the magnetic field coil 2, thereby realizing a composite simulation of the magnetic field and the electric field. The control circuit is divided into two independent sets of control circuits, including a magnetic field simulator control circuit and an electric field simulator control circuit, which function like the high-voltage charge-discharge control unit in fig. 3 and 4.
The simulation principle of the ground nuclear explosion electromagnetic pulse magnetic field is shown in fig. 3, and the simulation principle comprises a high-voltage charge-discharge control circuit, a direct-current high-voltage charge power supply, an energy storage capacitor bank, a high-voltage discharge switch, a high-power load and a magnetic field coil. The high-voltage charge and discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through the control circuit to control the on-off of the discharge switch to finish a discharge process. The energy storage capacitor bank is used for storing energy of the direct-current high-voltage charging power supply and releasing the energy to the magnetic field coil by utilizing the connection of the high-voltage discharging switch so as to generate a needed magnetic field environment in the magnetic field coil. The high power load is used for absorbing energy released by the magnetic field coil, so that equipment damage caused by excessive energy is prevented.
The magnetic field coil 2 of the invention has the diameter of 6m and the length of 10m, the typical magnetic field waveform generated according to the parameter adjustment range in actual use is double-index pulse, the highest magnetic induction intensity is not less than 30mT, and the uniform field test space is not less than 3.5m 3 The pulse rise time is not greater than 500 mus and the pulse width is not greater than 2ms. Therefore, the technology can be used for generating a simulation environment meeting the electromagnetic pulse magnetic field index of the ground nuclear explosion.
The simulation principle of the electromagnetic pulse electric field of the ground nuclear explosion is shown in figure 4. The high-voltage power supply comprises a high-voltage charge-discharge control circuit, a direct-current high-voltage charge power supply, a storage capacitor bank, a high-voltage discharge switch, a high-power load and a radiation antenna. The high-voltage charge and discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through the control circuit to control the on-off of the discharge switch to finish a discharge process. The energy storage capacitor bank is used for storing the energy of the direct-current high-voltage charging power supply and releasing the energy to the radiation antenna by utilizing the connection of the high-voltage discharging switch so as to generate a required electric field environment in the space of the radiation antenna. The high power load is used for absorbing energy released by the radiation antenna, so that equipment damage caused by excessive energy is prevented.
Through comprehensive detection and evaluation, the technology can simulate and generate the main indexes of the strong electric field environment as follows: the radiation field is a double-index pulse signal, the rising edge of the pulse can be adjusted to be not more than 100ns, the half-width of the pulse can be adjusted to be not less than 1ms, the electric field strength can be adjusted to be not less than 100kV/m, and the test space of the uniform field is not less than 1.5m 3 . In addition, according to each project actual need, can adjust relevant parameter index to satisfy each side's operation requirement. Therefore, the technology can be used for generating a simulation environment meeting the index of the electromagnetic pulse electric field of the ground nuclear explosion.
In the above description, the diameter of the magnetic field coil was 6m, and the test space generated by the magnetic field simulator was 3.5m 3 The vertical height of the radiation antenna 4 is 3m, and the test space generated by the electric field simulator is 1.5m 3 The distance of the supporting wood floor from the bottom of the coil is 1.5m. When the electric field and the magnetic field are combined, the radiation antenna 4 of the electric field simulator is positioned inside the magnetic field coil 2 of the magnetic field simulator, which limits the test space of the environment of the combined field to be determined by the effective test space of the electric field, namely the effective uniform field test space is 1.5m 3 。
By combining the scheme, the method for simulating the composite environment of the electromagnetic pulse of the ground nuclear explosion is provided. Firstly, connecting all devices of a magnetic field simulator and an electric field simulator according to the method shown in fig. 1, using a Rogowski coil capable of measuring pulse current as a magnetic field signal acquisition device, sleeving the Rogowski coil for measuring the pulse current in a discharge loop, and measuring the pulse current of the discharge loop (magnetic field coil); secondly, presetting the delay time of two delay circuits, wherein the delay time of the device is adjustable by 20-990us; thirdly, respectively controlling the magnetic field generator and the electric field generator to charge to a certain amplitude value through the control circuit, wherein the amplitude value can be adjusted through a charging voltage value, and the two simulators are in a state to be triggered; then triggering the magnetic field simulator to act, generating pulse current in the whole discharge loop after the set first delay time, and generating a pulse magnetic field in the magnetic field coil; during the period, the rogowski coil acquires a pulse current signal, transmits the pulse current signal to the signal conditioning circuit, carries out shaping processing such as filtering and the like on the signal, and outputs a trigger pulse signal with a certain amplitude. And after the trigger pulse signal passes through the second delayer delay circuit, delaying the trigger electric field simulator to act, and generating a pulse electric field in the radiation antenna. The radiation antenna is positioned inside the magnetic field coil, so that the magnetic field and the electric field environment generated by the two simulators are compounded.
The simulation system is operated by adopting the simulation method, and the simulation result of the electromagnetic pulse composite environment of the ground nuclear explosion is shown in fig. 5. In the figure, 1 is a magnetic field waveform, 2 is an electric field waveform, t 1 To start the action time from the start of the magnetic field simulator control unit to the detection of the magnetic field waveform, t 2 For the time from the initiation of the magnetic field simulator control unit to the detection of the action of the electric field waveform. T can be adjusted by adjusting the delay time of the two delay circuits 1 、t 2 Thereby changing the composite time and position of the magnetic field and electric field waveforms, and providing different simulation conditions for the work of researching the composite electromagnetic environment effect.
The first delay circuit and the second delay circuit adopted in the invention have the functions of two trigger delay units, wherein the trigger delay unit circuit board is shown in figure 6: the delay time of the external input is responded, the external input is output after the determined delay, the output signal of the singlechip is converted into an optical signal, and the optical signal is transmitted, so that the interference introduced from the outside is prevented, and the operator, the control equipment and the high voltage are effectively isolated. The delay circuits are integrated in the two simulator control circuits, and a time delay setting module is reserved on the panel of the control cabinet. The delay trigger unit circuit board adopts a singlechip to realize the function, and the left side of the circuit board is connected to a time setting module on the panel.
The signal conditioning circuit of the invention is shown in fig. 7, and is arranged in front of the delay unit circuit and is used for outputting a trigger pulse signal with a certain amplitude after shaping such as filtering and the like. Because the external signal is an instantaneous exponential wave, the signal must be converted (amplitude limiting, filtering, etc.) to be effectively responded by the singlechip. The amplitude of the outer synchronization signal cannot exceed 8V.
The main function of the signal acquisition circuit in the invention is to attenuate and amplify the input analog signal, and convert the analog quantity into digital quantity to be stored in the buffer memory, the sampling circuit is usually composed of an analog switch, a holding capacitor and an in-phase circuit with unit gain of 1, thus forming an analog signal input, a control signal input and an analog signal output.
By adopting the technical scheme, the invention has the following advantages: the invention can independently simulate the radiation environment of the electromagnetic pulse magnetic field and the radiation environment of the electric field of the ground nuclear explosion and simulate the radiation environment of the electromagnetic pulse composite field of the ground nuclear explosion, and the simulation method is scientific, reasonable, safe, reliable, simple in operation, convenient in parameter adjustment and easy to control, realizes the real simulation of the electromagnetic pulse environment of the ground nuclear explosion in a laboratory, and can be widely applied to the research of related electromagnetic effects and electromagnetic protection.
Claims (7)
1. The utility model provides a ground nuclear explosion electromagnetic pulse composite environment simulation system, its characterized in that includes magnetic field control circuit, electric field control circuit and magnetic field coil (2), magnetic field control circuit is through first time delay circuit (8) and magnetic field coil (2) one end intercommunication, produce pulsed magnetic field environment in controlling magnetic field coil (2), magnetic field coil (2) other end is through rogowski coil (5) in proper order, signal acquisition circuit (6), signal conditioning circuit (7), second time delay circuit (9) and electric field control circuit intercommunication, set up horizontal supporting timber apron (1) in magnetic field coil (2), supporting timber apron (1) upper portion, leave sufficient even field test space (3) with magnetic field coil (2) between, still set up parallel line radiation antenna (4) in magnetic field coil (2), wherein radiation antenna (4) surround even field test space (3), electric field control circuit is connected with radiation antenna (4), produce pulsed strong electric field environment in radiation antenna (4) space.
2. The ground nuclear explosion electromagnetic pulse composite environment simulation system according to claim 1, wherein the electric field control circuit comprises a high-voltage charge-discharge control circuit, a direct-current high-voltage charge power supply, a storage capacitor bank, a high-voltage discharge switch, a high-power load and a radiation antenna, the high-voltage charge-discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through a control circuit to control the on-off of the discharge switch to complete a discharge process; the energy storage capacitor bank stores power supply energy and releases energy to the radiation antenna by utilizing the connection of the high-voltage discharge switch, so that a required pulse strong electric field environment is generated in the space of the radiation antenna; the high power load absorbs the released energy, so as to prevent the equipment from being damaged due to the overlarge energy.
3. The system for simulating the composite environment of the electromagnetic pulse of the nuclear explosion on the ground according to claim 1 or 2, wherein the main indexes of the pulse strong electric field are as follows: the radiation field is a double-index pulse signal, the rising edge of the pulse is not more than 100ns, the half-width of the pulse can be adjusted to be not less than 1ms, and the electric field intensity can be adjusted to be not less than 100kV/m.
4. The ground nuclear explosion electromagnetic pulse composite environment simulation system according to claim 1, wherein the magnetic field control circuit comprises a high-voltage charge-discharge control circuit, a direct-current high-voltage charge power supply, a storage capacitor bank, a high-voltage discharge switch, a high-power load and a magnetic field coil, the high-voltage charge-discharge control circuit comprises a charge control circuit and a discharge control circuit, the charge control circuit is connected with the direct-current high-voltage charge power supply through a control circuit to control the on-off of the charge power supply, and the discharge control circuit is connected with the high-voltage discharge switch through a control circuit to control the on-off of the discharge switch to complete a discharge process; the energy storage capacitor bank stores power supply energy and releases energy to the magnetic field coil by utilizing the connection of the high-voltage discharge switch, so that a required pulse magnetic field environment is generated in the magnetic field coil; the high power load absorbs the released energy to prevent equipment damage caused by excessive energy.
5. The system for simulating the composite environment of the electromagnetic pulse of the nuclear explosion on the ground according to claim 1 or 4, wherein the main indexes of the pulse magnetic field are as follows: the pulse magnetic field waveform is double-index pulse, the highest magnetic induction intensity is not less than 30mT, the pulse rising time is not more than 500 mu s, and the pulse width is not more than 2ms.
6. The system for simulating the environment of the electromagnetic pulse composite of the ground nuclear explosion according to claim 1, characterized in that the uniform field test space (3) is not less than 1.5m 3 。
7. The simulation method based on the ground nuclear explosion electromagnetic pulse composite environment simulation system is characterized by comprising the following steps:
(1) Connecting a magnetic field simulator and an electric field simulator, using a Rogowski coil (5) capable of measuring pulse current as magnetic field signal acquisition equipment, sleeving the Rogowski coil (5) for measuring the pulse current in a discharge loop, and measuring the pulse current in the magnetic field coil (2);
(2) Delay time of a first delay circuit (8) and delay time of a second delay circuit (9) are preset respectively, a magnetic field generator and an electric field generator are controlled to be charged respectively through a magnetic field control circuit and an electric field control circuit, and two simulators are in a state to be triggered;
(3) Triggering the magnetic field simulator to act, delaying by a set first delayer (8), generating pulse current in the whole magnetic field coil (2), and generating a pulse magnetic field in the magnetic field coil (2);
(4) In the step (3), pulse current signals are collected by the Rogowski coil (5) and transmitted to the signal conditioning circuit (7), a trigger pulse signal is output after filtering and shaping the signals, the trigger pulse signal is delayed by the second delayer (9), the electric field simulator is triggered to act, a pulse electric field is generated in the radiation antenna (4), and the radiation antenna is positioned in the magnetic field coil, so that a magnetic field and an electric field environment generated by the magnetic field simulator and the electric field simulator are compounded respectively, and a ground nuclear explosion electromagnetic pulse compound environment is formed.
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