LPI Radar Waveform Recognition Based on Neural Architecture Search

Table 1

The related works in classification of radar waveforms.

Type	Main idea
Improving in preprocess	Designing new features [19, 32]
	Improving the TFD algorithm [15, 33]
	Make the picture clearer [18, 29]
Improving the classifier	Structure expansion [6, 7, 16, 25]
	Designing the CNN manually [14–16]
	Replacing the fully connected layer (FC) with other structures [20, 24, 32]
	Transferring learning [23, 24, 26–31, 33, 34]