Figure 4
From: An improved time reversal mirror based on standard linear frequency modulation waveform
The TRM based on the LFM signal. (a) Schematic diagram of the linear phased array on a curve surface. (b) The first lobe values of the envelope signal of the LFM autocorrelation function and the dual autocorrelation function with different pulse widths. (c) The first lobe values of the envelope signal of the LFM autocorrelation function and the dual autocorrelation function with different spectrum bandwidths. (d) The peak value gain of the phased array with the different number of elements.
