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一个分辩率达1Hz的2G频率计
用8051-A resolution of 1Hz Tatsu 2G frequency meter with 8051
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小波变换的视频分析方法，频率愈高相应时间分辨率愈高，在频率域上的分辨率相应降低。-Video analysis wavelet transform method, the higher the frequency, the higher the corresponding time resolution, the resolution in the frequency domain reduced accordingly.
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短时傅里叶变换是一种基于窗函数的变换，短窗能够提供较好的时域解析度，长窗能够提供较好的频域解析度。-Short-time Fourier transform is a transform window function based on the short window in the time domain can provide better resolution, the long window can provide better resolution in the frequency d
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用FFT计算信号的功率谱密度时，需要先计算FFT，再计算双边谱密度，然后计算单边谱密度。在matlab里注意FFt要除以采样点数，计算双边谱时要注意除以频率分辨率。
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When calculated using the FFT power spectrum density signal, you need to calculate the FFT, and then calculate the bilateral spectral density, and then calculate
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步进频信号的回波建模，使用连续短脉冲实现雷达的高分辨测量-Echo Modeling stepping frequency signal, continuous short pulses to achieve high-resolution radar measurements
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