片语

power clensity spectrum功率谱密度

power rate spectrum功率谱

logarithmic power-spectrum对数功率谱

power-spectrum computer功率频谱计算机

Signal power density spectrum信号功率密度谱

power frequency spectrum号功率谱

power spectral功率谱

cross power density spectrum互功率密度谱

power sound spectrum声功率谱

wave power density spectrum波能密度谱

英汉例句

• 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。

• aiming at the problem of testing parametric fault in analog integrated circuits, an approach based on power spectrum correlation analysis for diagnosing parametric faults is presented.

  针对模拟集成电路参数型故障的测试难题，提出了定位模拟集成电路参数型故障的功率谱相关分析方法。

• this algorithm has utilized the signal to carry on the signal characteristic that fourier includes in the density of the power spectrum after fourier transform.

  算法利用了信号进行傅里叶变换后功率谱密度中所包含的信号特征在基带完成，并用软件实现。

• the frequency response function and the power spectrum function for stationary and non-stationary inputs are obtained.

  求出了频率响应函数以及输入为平稳和非平稳情况下的功率谱函数。

• this type of code has the similar power spectrum to the original ami code, and though its code efficiency decreases, rapid synchronization will avoid losing data and increase the credibility of data.

  该码型具有和原始ami码类似的功率谱，尽管其编码效率不高，其快速同步捕获的特性可以避免数据的丢失，提高了数据的可靠性。

• this means that for actual earthquake accelerograms their power spectrum corresponds to mean response spectrum.

  这说明对于实际地震加速度图，其功率谱是与均值速度反应谱相对应的。

• power spectrum analysis is always used in spectrum analysis of cavitation noise. however, it is obviously unfit for research on the transient signal such as cavitation noise.

  空化噪声的谱分析一般采用功率谱分析，而功率谱分析在研究空化噪声这种具有很强突变性的信号具有明显的缺陷。

• the auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.

  相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。

• 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。

• this paper proposes a novel method for detecting gas leakage from cracks in pipes using acoustic signal power spectrum analysis and clustering support vector machine(csvm).

  本文提出了一种基于声学信号功率谱分析和聚类支持向量机的检测管道损坏导致气体泄漏的新方法。

• this thesis studies adaptive algorithms and smart antenna, and selects the power spectrum inversion method to implement with fpga.

  本文对自适应算法以及智能天线等技术进行了研究学习，并选取功率谱倒置算法进行了fpga的设计实现。

• we can get frequency response, power spectrum density(psd), modal coordinates, etc. by modal analysis module of adams.

  利用adams做模态分析，可以求得频率响应、功率谱密度（psd）、模态坐标等信息。

• 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。

• through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.

  在变切削参数的加工工况下，通过对振动信号的采集和频域处理，发现采用单一的自功率谱方法难以有效检测出刀片破损。

• in this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).

  本方法不需要特征分解，并且得到的是通常意义上的功率谱（可用于估计信号的能量）。

• meaning: the self-correlation function and power spectrum density function of a power-typed signal compose a ft pair.

  上式表明：功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。

• the algorithms use the power spectrum reprocessing method to extract the averaged amplitude envelope of speech signal, and by the application of a threshold to get the vox function.

  首先利用信号功率谱二次处理，提取出语音的平均幅度包络，然后对所得包络进行阈值处理、限幅放大，最后就得到vox函数。

• using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.

  利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。

• objective to improve the estimation and the percentage of electrogastrogram(egg)slow wave rhythm with power spectrum estimation and calculation rule set.

  目的从功率谱估计和计算规则两方面对胃电慢波节律百分比的计算方法进行改进。

• through the analysis of the power spectrum of the headway, it is clear that there are variations of noise and wide apices.

  通过分析这种车头间距的功率谱曲线，可以明显地观察到交通流频谱出现了噪声和宽峰的变化。

• however, the digital random vibration control systems currently based on power spectrum fitting can only generate random vibration exciting signals with gaussian probability distribution.

  然而，目前基于功率谱均衡的数字式随机振动控制系统只能产生高斯分布的随机振动激励信号。

• power spectrum of sep was analyzed.

  分析诱发电位的功率谱。

• the frequency stability of the power source for a feedback linac depends on the slow shift, stability and form of power spectrum of the magnetron.

  功率反馈电子直线加速器功率源的频率稳定性与磁控管功率谱的慢漂移、谱的稳定性和谱的形状有关。