Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次，介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
针对低信噪比的雷达回波信号数据采集，文中给出了中频带通采样方案，并选用PC I_9820高速采集卡实时采集和存储数据。
According to method inspecting on-line of noises spectrum in the IF-sampling radar. Realised that inspecting noises and interference of environment on-line.
根据中频带通采样雷达噪声频谱在线监测方法，实现环境噪声和外部干扰频谱在线监测。
According to method inspecting on-line of noises spectrum in the IF-sampling radar. Realised that inspecting noises and interference of environment on-line.
根据中频带通采样雷达噪声频谱在线监测方法，实现环境噪声和外部干扰频谱在线监测。
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