Frequency agility synthesis method compatible with microwave large band width and mid-frequency small stepping and device thereof
A synthesis method and a large-bandwidth technology, applied in the field of radar systems, can solve problems such as being difficult to implement, and achieve the effect of optimizing technical indicators
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[0032] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0033]① Use the direct frequency analog rate synthesis method to synthesize M intermediate frequency frequency standard signals with a frequency interval of ΔF and a bandwidth of (M-1)ΔF, and the generated intermediate frequency frequency standard signal is F 1 , F 1 +ΔF, F 1 +2ΔF,...,F 1 +(M-1)ΔF;
[0034] ② Use the direct analog frequency synthesis method to generate N radio frequency standard signals with a frequency interval of ΔQ and a bandwidth of (N-1)ΔQ, where ΔQ should be an integer multiple of (M-1)ΔF, which can be determined according to specific system requirements specific settings;
[0035] ③Mix the intermediate frequency signal generated in ① and the RF frequency standard signal generated in ② to obtain a microwave signal with a step of ΔF;
[0036] ④ Double the frequency of the microwave signal with a step of ΔF generated in ① to generate a m...
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