Fig. 1. Schematic diagram of spectral cloning receiver based on frequency-shifted multiple local OFC

Fig. 2. Architecture of spectral cloning receiver based on frequency-shifted local OFC

Fig. 3. Power spectrum and phase spectrum of transient pulse signal. (a) Power spectrum; (b) phase spectrum

Fig. 4. Comparison of simulation results of original local OFC and shifted local OFC

Fig. 5. Comparison of detection sensitivity between normal receiver and proposed frequency shifting cloning receiver

Fig. 6. Comparison between measured sensitivity gain of frequency shifting cloning receiver and theoretical gain value

Fig. 7. Measured result of detection sensitivity under different numbers of local OFCs