Equivalent sampling device for time-delay amount automatic correction
A technology of equivalent sampling and automatic correction, which is applied in the direction of instruments, computer control, simulators, etc., can solve the problems of radar echo information loss, redundancy, equivalent sampling inhomogeneity, etc., and achieve high measurement accuracy and circuit structure Simple, real-time corrective effects
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[0034] The equivalent sampling device for automatically correcting the delay amount of the present invention is based on a programmable delay chip and a programmable logic gate array FPGA, wherein the automatic correction process of the delay amount mainly includes: using the FPGA to measure the delay accuracy of the programmable delay chip in real time ; Then automatically adjust the delay amount in the equivalent sampling according to the delay accuracy of the delay circuit, so as to ensure equivalent sampling at equal intervals.
[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0036] In an exemplary embodiment of the present invention, an equivalent sampling device for automatic correction of delay is provided. figure 1 It is a structural schematic diagram of an eq...
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