查询词典 fractional function

First,an optimal filtering operator on the continuous fractional Fourier domain is provided according to the orthogonality principle about the linear minimum mean square error estimation,and then,a discrete algorithm of the filtering operator is further proposed.

首先由线性最小均方误差估计的正交条件出发，得到了连续分数阶傅立叶域上的等效Wiener滤波算子的求解方法；在此基础上，进一步给出了滤波算子的离散化算法。

This paper proposes the generalized design method for the perfect reconstruction filter banks in the FRFD based on the FRFD analysis of sampling rate conversion and the fractional convolution theorem, which are the basis of the applications of filter bank theory in the FRFD.

本文从分数阶傅里叶域多抽样率信号处理基本理论和分数阶卷积定理出发，推导出了分数阶傅里叶域准确重建滤波器组的一般化设计方法，为分数阶傅里叶域滤波器组理论在实际工程中的推广应用奠定了理论基础。

Properties of the joint fractional Fourier transform correlator are investigated detailedly in this thesis.

本文对联合分数傅里叶变换相关器的相关识别特性进行了较详细的研究。

To solve the problem that the-spectrum estimation performance based on covariation under the-stable noise environmentbecomes obviously worse when the distribution parameter is small,a method of fractional low-order covariance spectrum estimation was proposed.

针对在分布参数值较小时稳定分布噪声下基于共变的谱估计性能较差这一问题，提出了一种分数低阶协方差谱估计方法。

The method of ε-blanket covering estimating fractional dimension of the local gray scale surface of image was described.

结合江苏的具体实际，本文描述了绿化中的典型树种，并采集典型树种的动态和静态图像。

However, the research and application of both fractional Fourier domain and high-order cumulant should be studied further.

当然，分数阶Fourier域和高阶累积量的研究应用都有待进一步开展。

It has an integer part, a decimal point, a fractional part, and an exponent part.

它有一个整数部分、一个分数部分、一个小数部分和一个指数部分。

The integer and fractional part comprise decimal digits

整数和小数部分包含十进制数

The integer and fractional part comprise decimal digits; the exponent part is an e or E followed by an optionally signed decimal exponent.

整数和分数部分包括十进制数；指数部分是一个 e or E 后面可选的跟着一上二进制指数。

By default, when the fractional part of a floating-point value is 0, the decimal point is not displayed.

默认情况下，当浮点值的小数部分为 0 的时候，不显示小数点。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。