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Variable-interval laser narrow pulse combined capturing system and method

A narrow pulse, laser technology, applied in electrical pulse generator circuits, logic circuits using optoelectronic devices, logic circuits using specific components, etc., can solve the problem that invalid clutter signals occupy the cache resources of the data acquisition system and cannot predict the laser Pulse arrival time and other issues to achieve the effect of improving the capture probability

Pending Publication Date: 2021-04-09
西安现代控制技术研究所
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  • Application Information

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Problems solved by technology

However, variable interval laser coding cannot predict the arrival time of laser pulses. Therefore, it is necessary to design an effective signal acquisition method for the variable interval laser narrow pulse acquisition system, so as to ensure that the effective signal part of the laser narrow pulse is collected and avoid invalid clutter Signals take up valuable data acquisition system cache resources

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  • Variable-interval laser narrow pulse combined capturing system and method
  • Variable-interval laser narrow pulse combined capturing system and method
  • Variable-interval laser narrow pulse combined capturing system and method

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Embodiment 1

[0042] Such as figure 1As shown, the present embodiment provides a high-speed data acquisition module with a high-sensitivity trigger, including: a high-sensitivity trigger and a high-speed data acquisition module, the high-sensitivity trigger can capture variable interval laser narrow pulse signals, the The high-speed data acquisition module can collect and store laser pulse signals under the control of the trigger signal output by the high-sensitivity trigger, among which:

[0043] The high-sensitivity trigger has two trigger modules, pulse width trigger and amplitude trigger, such as image 3 As shown, the pulse width trigger module searches for the rising edge and falling edge of the pulse signal in the signal, and takes the 50% position of the peak value of the rising edge of the pulse as the starting point P of the pulse width s , taking the 50% position of the peak value of the falling edge of the pulse as the end point of the pulse width P t , calculate the pulse wid...

Embodiment 2

[0049] This embodiment provides a high-speed data acquisition module with a high-sensitivity trigger, including: a high-sensitivity trigger and a high-speed data acquisition module, the high-sensitivity trigger can capture variable-interval laser narrow pulse signals, and the high-speed data acquisition The module can collect and store laser pulse signals under the control of the trigger signal output by the high-sensitivity trigger, among which:

[0050] The high-sensitivity trigger has two trigger modules, pulse width trigger and amplitude trigger. When the captured signal exceeds the set voltage range, an amplitude trigger signal is output; the pulse width trigger signal and the amplitude trigger signal pass through a logic AND circuit, and the final trigger signal is output to control the high-speed data acquisition module to complete the laser narrow pulse collection and storage operations.

[0051] The high-speed data acquisition module collects and stores the signal un...

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Abstract

The invention belongs to the technical field of photoelectric testing, and particularly relates to a variable-interval laser narrow pulse combined capturing system and method. The device has the characteristics of configurable trigger parameters, settable sampling rate and high sampling rate, is suitable for capturing narrow pulse signals which cannot predictably master the emission law, and mainly solves the problems of capturing and collecting variable-interval laser narrow pulses. According to the technology, a high-speed data acquisition module with a high-sensitivity trigger is adopted to form a laser pulse acquisition system. According to the invention, the high-sensitivity trigger is adopted to capture the laser narrow pulse, the high-sensitivity trigger has a pulse width and amplitude combined triggering function, and the high-sensitivity trigger is reasonably configured according to the characteristic parameters of the laser narrow pulse, so that the laser narrow pulse signal can be effectively captured, it is ensured that the high-speed data acquisition module can acquire effective laser pulse waveform data, and the reliability of the laser pulse acquisition system is ensured.

Description

technical field [0001] The invention belongs to the technical field of photoelectric testing, and in particular relates to a variable-interval laser narrow pulse combined capture system and method, which can quickly and effectively capture variable-interval laser narrow pulse signals through pulse width and amplitude combined triggering, thereby ensuring that the laser narrow pulses are collected part of the effective signal. Background technique [0002] With the development of laser technology, laser detection and laser guidance have been widely used in the military. The code and energy of the laser irradiation light source are important characteristic parameters of the laser information field and an important basis for evaluating the application effect of the laser irradiation light source. In the past, the laser code output by the laser irradiation light source has a fixed frequency. It only needs to capture the laser pulse signal once, and the arrival time of the laser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K3/02H03K19/14
CPCH03K3/02H03K19/14
Inventor 廖鸣孙卫平吕鸿鹏任勐常磊李琳杜柏成
Owner 西安现代控制技术研究所
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