Abstract: The research of frequency diverse array (FDA) in existing literature is mostly based on the hypothesis of simple pulse under narrowband conditions, but less on other pulse compression signals. Therefore, based on the establishment of the FDA array data model, this paper systematically derives the negative ambiguity function and its characteristics under the FDA-MIMO transmit/receive model. Then, based on the full-band coherent processing of the FDA radar architecture, the ambiguity function characteristics of rectangular pulses, linear frequency modulate (LFM), coherent pulse trains, and phase-encoded signals are simulated and analyzed. The adaptability of the above-mentioned typical pulse compression radar signals to the architecture is verified, which lays an important foundation for the follow-up FDA radar transmission waveform design and reactance characteristics optimization based on ambiguity function optimization.