power spectrum
功率谱：在信号处理和频谱分析中
常用释义
英式发音
美式发音
基本释义
- 功率谱：在信号处理和频谱分析中，表示信号功率随频率变化的图谱。
例句
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1·The power spectrum analysis based signal processing method was studied.研究基于周期图谱分析的涡街信号处理方法。
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2·Blasting Vibration; Injury; Power Spectrum; Slope; Numberical simulation.爆破振动；损伤；功率谱；边坡；数值模拟。
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3·Estimate the signal power spectrum from recorded traces in neighbouring pairs.其二是利用两两毗邻的记录道来估计信号功率谱。
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4·Auto power spectrum of the periodic and quasi-periodic solution has been obtained.得到了周期解和准周期解的自相关功率谱线。
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5·Experiments prove that the method can accurately estimate the noise power spectrum.实验证明该方法能够相当准确地估计出噪声功率。
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6·Power spectrum of GMSK and transmit eye patterns and bit error rate performance is given.给出了GMSK信号的功率谱曲线，传输眼图与误比特率性能。
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7·A method of simulating vessel's radiated noise with specified power spectrum is presented.给出了一种能够模拟具有指定功率谱特征的舰船辐射噪声的方法。
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8·The power spectrum of the noise and signal are estimated by the average smooth periodogram method.用平均平滑周期图法分别估算出信号与噪声的功率谱密度函数。
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9·The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.本文研究了非平稳随机振动信号的瞬时功率谱。
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10·The auto power spectrum curves of the dry parallel reactor are obtained from the prototype dynamic test.通过干式空心并联电抗器的现场原型动力试验，得到该电抗器各方向的自功率谱曲线。
同义词