文章详细信息 关键词： 奇异值分解;;数控工作台;;动态特征;;奇异谱;;信号能量 [gap=1313]Keywords: SVD;NC Table;Dynamic Characteristics;Singular Spectrum;Signal Energy
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通信信号能量的减少 attenuation
信号能量指数 signal energy index
有效信号能量分布空间 Area of the useful signal energy distribution
能量信号 [计] Energy signal
信号的能量 Energy of signals
Experimental results indicate that the average gradient has been improved by 67.1% and the detail-signal energy improved by 65.2%,which proves the effectiveness of the proposed method.
结果显示,各波段图像平均梯度提高了67.1%,细节信号能量提高了65.2%,结果证明了MTF检测方法的有效性。
参考来源 - 高光谱遥感系统调制传递函数的在轨测试At the same time, the eigenvector of monitoring signal energy obtained by wavelet packets can offer us the scientific basis for evaluating the structural state in both time domain and frequency domain.
同时利用小波包对监测信号进行分解，得到了监测信号能量分布特征向量，为我们同时在时域和频域分析结构状态提供了科学的依据。
参考来源 - 南京长江大桥结构健康监测及其关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
信号能量在两点间测量出来的减小量。
结论：水平极化方式下的呼吸信号能量明显大于垂直极化方式。
CONCLUSION: Power of respiration signal in horizontal polarization mode is obviously higher than that in vertical polarization mode.
其中频谱的非零频率信息可提取噪声能量，频谱的零频率信息可提取信号能量。
Then, noise energy can be abstracted from the nonzero frequency information of the spectrum, and signal energy from zero frequency information.
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