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Sensitivity of Doppler RADAR with Sell-Detecting Diode Oscillators

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2 Author(s)

The behavior of Doppler RADAR with self-detecting diode oscillators is described. Conditions for the frequency deviation to contain only the first harmonic of the Doppler shift frequency are given. The conversion gain and the signal-to-noise (S/N) ratio includlng both intrinsic LF and RF noise are calculated. An equivalent LF circuit is obtained. The shape of the I-V characteristic of the oscillating diode is shown to be important for the design of a Doppler module.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:22 ,  Issue: 5 )