CN112290913A - Forced synchronization method for high-power ultra-wideband electromagnetic pulses - Google Patents
Forced synchronization method for high-power ultra-wideband electromagnetic pulses Download PDFInfo
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- CN112290913A CN112290913A CN202011221852.5A CN202011221852A CN112290913A CN 112290913 A CN112290913 A CN 112290913A CN 202011221852 A CN202011221852 A CN 202011221852A CN 112290913 A CN112290913 A CN 112290913A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/02—Shaping pulses by amplifying
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
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Abstract
The invention discloses a forced synchronization method of high-power ultra-wideband electromagnetic pulses, which comprises the steps of triggering a preceding-stage high-power ultra-wideband electromagnetic pulse circuit by using a trigger signal to produce electromagnetic pulses, and then distributing the power of the pulses by using a power divider into multi-path pulses serving as trigger pulses of the multi-path high-power ultra-wideband electromagnetic pulse circuit, wherein when the power of the multi-path high-power ultra-wideband electromagnetic pulses is synthesized, the synthesis efficiency is improved to more than 95 percent from the original 80 percent; the invention improves the coherence of multi-path electromagnetic pulses, and when the multi-path high-power ultra-wideband electromagnetic pulses are radiated by the array radiation antenna to synthesize the space field intensity, the synthesis efficiency is improved to more than 95 percent from the original 80 percent.
Description
Technical Field
The invention relates to a time synchronization method in the field of high-power ultra-wideband electromagnetic pulses, in particular to a time synchronization method during power synthesis of high-power ultra-wideband electromagnetic pulses.
Background
The high-power ultra-wideband electromagnetic pulse has wide application prospect and value in the fields of electronic countermeasure, industrial dust removal, medical sterilization and the like. The existing high-power ultra-wideband electromagnetic pulse generation method based on a solid-state device has circuit forms such as FID, Marx, PCSS, SOS and the like, is limited by the power capacity of the device and the circuit, and the amplitude of the generated electromagnetic pulse is generally in the order of kV. In order to further improve the amplitude of the ultra-wideband electromagnetic pulse, power synthesis is required, time synchronization consistency among ultra-wideband electromagnetic pulse units directly influences synthesis efficiency, and high-efficiency synthesis efficiency requires that synchronization precision reaches within 50 ps. The existing ultra-wideband electromagnetic pulse synchronization method is to use a trigger signal to simultaneously trigger a plurality of paths of ultra-wideband electromagnetic pulse circuits to realize synchronization, and theoretical and experimental researches show that the synchronization precision of the multi-path direct triggering mode is difficult to reach below 1ns, thereby greatly influencing the synthesis efficiency of the ultra-wideband electromagnetic pulse.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a forced synchronization method for high-power ultra-wideband electromagnetic pulses comprises the steps of firstly triggering a preceding-stage high-power ultra-wideband electromagnetic pulse circuit by using a trigger signal to produce electromagnetic pulses, and then distributing the power of the pulses into multi-path pulses by using a power divider to serve as trigger pulses of the multi-path high-power ultra-wideband electromagnetic pulse circuit.
As an improvement, the method specifically comprises the following steps:
(1) primary triggering: triggering a pre-stage high-power ultra-wideband impulse circuit by a trigger signal, and outputting electromagnetic pulses of more than 1 kV;
(2) pulse distribution: performing multi-path power distribution on the electromagnetic pulse produced in the step (1) through a power divider to realize multi-path output, wherein the electromagnetic pulse output by each path has consistent amplitude and is synchronous in time;
(3) forced synchronization triggering: triggering a multi-path high-power ultra-wideband electromagnetic pulse circuit through the electromagnetic pulse generated in the step (2), and outputting a high-power ultra-wideband electromagnetic pulse with high time synchronization precision.
As an improvement, the power of the preceding-stage high-power ultra-wideband impulse pulse in the step (1) is more than 10kW, the leading edge of the pulse is less than 1ns, the pulse width is less than 5ns, and the pulse repetition frequency is more than 1 kHz.
As an improvement, the synchronization precision of the multi-output high-power ultra-wideband electromagnetic pulses in the step (3) is better than 50 ps.
After adopting the structure, the invention has the following advantages: when the power synthesis of the multipath high-power ultra-wideband electromagnetic pulse is carried out, the synthesis efficiency is improved to more than 95 percent from the original 80 percent; the invention improves the coherence of multi-path electromagnetic pulses, and when the multi-path high-power ultra-wideband electromagnetic pulses are radiated by the array radiation antenna to synthesize the space field intensity, the synthesis efficiency is improved to more than 95 percent from the original 80 percent.
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FIG. 1 is a system diagram of a forced synchronization method of high-power ultra-wideband electromagnetic pulses according to the present invention.
Detailed Description
The method comprises the steps of firstly triggering a preceding-stage high-power ultra-wideband electromagnetic pulse circuit by using a trigger signal to produce electromagnetic pulses, and then distributing the power of the pulses into multi-path pulses by using a power divider to serve as trigger pulses of the multi-path high-power ultra-wideband electromagnetic pulse circuit.
As a preferred embodiment of this embodiment, the method specifically includes the following steps:
(1) primary triggering: triggering a pre-stage high-power ultra-wideband impulse circuit by a trigger signal, and outputting electromagnetic pulses of more than 1 kV;
(2) pulse distribution: performing multi-path power distribution on the electromagnetic pulse produced in the step (1) through a power divider to realize multi-path output, wherein the electromagnetic pulse output by each path has consistent amplitude and is synchronous in time;
(3) forced synchronization triggering: triggering a multi-path high-power ultra-wideband electromagnetic pulse circuit through the electromagnetic pulse generated in the step (2), and outputting a high-power ultra-wideband electromagnetic pulse with high time synchronization precision.
As a preferred embodiment of this embodiment, the power of the pre-stage high-power ultra-wideband impulse in step (1) is greater than 10kW, the leading edge of the impulse is less than 1ns, the pulse width is less than 5ns, and the pulse repetition frequency is greater than 1 kHz.
As a preferred implementation scheme of the embodiment, the synchronization precision of the multi-output high-power ultra-wideband electromagnetic pulse in the step (3) is better than 50 ps.
When the power synthesis of the multipath high-power ultra-wideband electromagnetic pulse is carried out, the synthesis efficiency is improved to more than 95 percent from the original 80 percent; the invention improves the coherence of multi-path electromagnetic pulses, and when the multi-path high-power ultra-wideband electromagnetic pulses are radiated by the array radiation antenna to synthesize the space field intensity, the synthesis efficiency is improved to more than 95 percent from the original 80 percent.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A forced synchronization method for high-power ultra-wideband electromagnetic pulses is characterized by comprising the steps of firstly triggering a preceding-stage high-power ultra-wideband electromagnetic pulse circuit by using a trigger signal to produce electromagnetic pulses, and then distributing the power of the pulses into multi-path pulses by using a power divider to serve as trigger pulses of the multi-path high-power ultra-wideband electromagnetic pulse circuit.
2. The method for forcibly synchronizing the high-power ultra-wideband electromagnetic pulses according to claim 1, specifically comprising the steps of:
(1) primary triggering: triggering a pre-stage high-power ultra-wideband impulse circuit by a trigger signal, and outputting electromagnetic pulses of more than 1 kV;
(2) pulse distribution: performing multi-path power distribution on the electromagnetic pulse produced in the step (1) through a power divider to realize multi-path output, wherein the electromagnetic pulse output by each path has consistent amplitude and is synchronous in time;
(3) forced synchronization triggering: triggering a multi-path high-power ultra-wideband electromagnetic pulse circuit through the electromagnetic pulse generated in the step (2), and outputting a high-power ultra-wideband electromagnetic pulse with high time synchronization precision.
3. The method for forcibly synchronizing high-power ultra-wideband electromagnetic pulses according to claim 2, wherein the power of the preceding-stage high-power ultra-wideband impulse pulse in the step (1) is more than 10kW, the leading edge of the pulse is less than 1ns, the pulse width is less than 5ns, and the pulse repetition frequency is more than 1 kHz.
4. The method for forced synchronization of high-power ultra-wideband electromagnetic pulses as claimed in claim 2, wherein the synchronization precision of the multi-output high-power ultra-wideband electromagnetic pulses in step (3) is better than 50 ps.
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| CN202011221852.5A CN112290913A (en) | 2020-11-05 | 2020-11-05 | Forced synchronization method for high-power ultra-wideband electromagnetic pulses |
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| CN202011221852.5A CN112290913A (en) | 2020-11-05 | 2020-11-05 | Forced synchronization method for high-power ultra-wideband electromagnetic pulses |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060079970A1 (en) * | 2004-09-03 | 2006-04-13 | Derek Ward | Programmable logic controller and related electronic devices |
| US20100277371A1 (en) * | 2007-09-07 | 2010-11-04 | Rheinmetall Waffe Munition Gmbh | True time delay systems with array antenna for the spatially changeable radiation pattern for maximum power ultra-wideband pulses |
| CN207318704U (en) * | 2017-05-19 | 2018-05-04 | 中南大学 | A kind of high-amplitude picosecond micropower UWB radar clock generates system |
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2020
- 2020-11-05 CN CN202011221852.5A patent/CN112290913A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060079970A1 (en) * | 2004-09-03 | 2006-04-13 | Derek Ward | Programmable logic controller and related electronic devices |
| US20100277371A1 (en) * | 2007-09-07 | 2010-11-04 | Rheinmetall Waffe Munition Gmbh | True time delay systems with array antenna for the spatially changeable radiation pattern for maximum power ultra-wideband pulses |
| CN207318704U (en) * | 2017-05-19 | 2018-05-04 | 中南大学 | A kind of high-amplitude picosecond micropower UWB radar clock generates system |
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