The experiments show this system had some advantages of small size, low-power, fast digital processing and high-reliability.

实验结果表明，该系统具有体积小、功耗低、数据处理速度快以及可靠性高等特点。

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FFT is a mathematical tool commonly used in digital signal processing, and is characterized by fast operational speed and low SNR threshold value.

快速傅里叶变换是数字信号处理的常用数学工具，以运算速度快和信噪比阈值低为特点。

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DSP is a high-powered digital signal processor and possesses fast computation capability and strong information processing capability.

DSP是一种高性能的数字信号处理器，具有快速的计算能力和强大的信息处理能力。

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Hazard evaluation can be fast and safe by using remote methods such as digital photogrammetry, using software for image processing of scanned aerial photographs.

UNESCO: Dublin Core