The output of the FPGA is typically a waveform with a fixed-frequency, variable-duty cycle, which a counter and a digital comparator generate (Listing 1).
FPGA的输出是固定频率、计数器和数字比较器使占空比可变的典型波形(表1)。
3
The advantage and importance of digital radio frequency memory (DRFM) technique in radar counter measures (RCM) are discussed. The principle of DRFM is introduced.