| 摘要 |
General method for extracting an electromagnetic or other wave-propagated signal of a desired source from the overall received waveform containing the sum of signals from a multiple of such sources comprising the steps of first expanding the spectrum of the received sum of signals in proportion to their source distance so as to spectrally isolate the signal from the desired source, selecting the signal spectrum and spectrally compressing the selected signal back to its original band of frequencies. The distance dependent expansion is performed by scanning the space gradient of the signal spectrum. |
