A high-bandwidth radio frequency signal arrival time measurement device and method
A technology of radio frequency signal and time of arrival, which is applied in the direction of electromagnetic transmitters, electrical components, electromagnetic wave transmission systems, etc., can solve the problems of low noise radio frequency signal source, poor performance of high frequency band, impact on resolution, etc., and achieve high precision time measurement High resolution, small external noise, and high time resolution
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[0040] Below, in conjunction with the accompanying drawings, preferred embodiments of the present invention are given and described in detail, so that the functions and features of the present invention can be better understood.
[0041] Such as Figure 4 Shown is a time-of-arrival measurement device for a high-bandwidth radio frequency signal according to an embodiment of the present invention, which is based on an electro-optic modulation scheme and is used to detect a time-of-arrival of a radio frequency signal to be measured, including an electro-optic modulator 1, a reference signal source, a photoelectric detector device 4, optical delay line 5 and phase shifter 6. In this embodiment, the electro-optic modulator 1 is an electro-optic intensity modulator, its function is to modulate the amplitude of the laser pulse array, it has an optical signal input end 11, an electrical signal input end 12 and an optical signal output end 13, The optical signal input end 11 is connec...
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