| Range-Doppler correlation |
CAF [4], [5], [6], [7], [10], [11], [12], [15], [16], [17], [18], [19], [20], [21], [22], [23], [24], [25], [26], [27], [28], [29], [30], [31], modified CAF with synchronized beacon signal [10], [31]
|
| Direct signal cancellation |
CLEAN [6], [7], [10], [11], [15], [16], [17], [18], [21], [23], [24], [26], [27], [31], ECA [4], [5], [32]
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| Post-processing |
CFAR [5], [6], [7], [10], [12], [16], [24], [31], “bad time index” removal [18], beacon signal removal [32], start and end point detection in the micro-Doppler signature [19], [20], motion indicator based on the power of the Doppler spectrogram [21], [22], [23]
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| Other techniques |
Doppler shift extraction method for OFDM signals based on data equalization, re-encoding and FFT [33], range and speed estimation with ESPRIT [34], iterative adaptive approach based on weighted least square for micro-Doppler extraction [32]
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