查询词典 spectral

In section I,we introduct generalized spectral density test.

在第一节中，我们介绍了广义谱密度检验。

A novel analysis is given to determine the noise power spectral density.

通过对输入级进行理论噪声分析，确定了放大器中的各个器件参数。

This procedure from Matlab realized, for the speech signal power spectral density estimation.

此程序由matlab实现，用于对语音信号的功率谱密度进行估计。

Achieve common line code-AMI code and the waveform of the power spectral density of simulation.

实现常用线路码型AMI码的波形和功率谱密度的仿真。

The algorithm is suitable for the modulation mode that has the symmetry of spectral correlation density.

该算法对谱相关密度谱对称的调制方式均适用。

With the development of pavement testing equipment, especially with the usage of laser equipment,it is possible to analyze pavement power spectral density exactly.

随着路面测试技术的不断完善，尤其是激光技术的广泛应用，对路面功率谱进行精确分析成为可能。

Then they were imported to MATLAB and calculated to obtain the power spectral density.

将数字声波信号导入MATLAB软件进行处理，得到其功率谱密度图。

Power spectral density and the filtering behavior of vector transformation are analyzed theoretically.

理论分析了功率谱密度和向量变换的滤波思想。

Power spectral density in wavefront measurement of optical components.

关于光学元件波面测量的功率谱密度。

The article based on practical problems finds two ways:point operation of an image and power spectral density function .

本文的研究工作从实际出发，通过对雷达图像的长期观察，总结出规律，然后根据规律找到两种过滤地物杂波的新方法：图像的点运算和图像的功率谱密度函数法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。