Picosecond pulse generator waveform parameter measuring device and method
A pulse generator and waveform parameter technology, applied in the direction of instruments, etc., can solve the problems of reducing the measurement requirements of picosecond-level pulse waveforms and failing to meet the half-amplitude width of pulses, etc.
Active Publication Date: 2021-05-07
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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[0005] The purpose of the present invention is to provide a picosecond-level pulse generator waveform parameter measurement device to solve the problem that current commercial oscilloscopes cannot meet the demand for picosecond-level pulse waveform measurement with decreasing pulse half-amplitude width
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[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] refer to figure 1 , a picosecond-level pulse generator waveform parameter measurement device, including a microwave signal source, a power divider, an ultrafast pulse generator, an adapter, an electro-optical sampling probe, a matching terminal, a laser repetition rate locking module, a femtosecond laser, and a polarized light A beam splitter, a balanced photodetector, a current amplifier and a data acquisition and analysis module, and a coplanar waveguide are arranged on the electro-optical sampling probe.
[0026] Among them, the signal output terminal of...
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The invention discloses a picosecond pulse generator waveform parameter measuring device and method. The device comprises a microwave signal source, a data acquisition and analysis module and a matching terminal. The signal output end of the microwave signal source is connected with the data acquisition and analysis module. The 10MHz reference signal output end of the microwave signal source is connected with the matching terminal through a power divider, an ultra-fast pulse generator, an adapter and an electro-optical sampling probe in sequence. The power divider is connected with a femtosecond laser through a laser repetition frequency locking module, and space femtosecond laser output by the light output end of the femtosecond laser is excited and placed in a gap of the electro-optical sampling probe. The signal output end of the electro-optical sampling probe is connected with the data acquisition and analysis module through a polarized light beam splitter, a balanced photoelectric detector and a current amplifier. By adopting the measuring device and the measuring method provided by the invention, the problem that the current commodity type oscilloscope cannot meet the requirement of measuring the picosecond pulse waveform with gradually reduced pulse half-amplitude width is effectively solved.
Description
technical field [0001] The invention relates to a device and method for measuring waveform parameters of a pulse signal, in particular to a device and method for measuring waveform parameters of a picosecond pulse generator. Background technique [0002] Pulse technology is widely used in both military and civilian fields. Technologies such as satellite communication, space data link communication, weapon type communication and information countermeasures in the military field are basically based on pulse technology, and military and civilian radars such as target positioning radar, navigation radar, warning radar and weather radar also use pulse mode in large numbers. In the civilian field, data communication equipment such as mobile communication and optical communication, as well as various digital products are closely related to pulse technology. With the rapid development of information and communication technology, the width of the pulse signal generated and transmitt...
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IPC IPC(8): G01J11/00
CPCG01J11/00
Inventor 龚鹏伟刘爽谢文姜河谌贝
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT