查询词典 Z

The appendix also gives the application for example, Z transform table, matrix transformation and operations, stochastic processes, and basic materials such as Matlab functions.

附录中还给出了应用举例、Z变换表、矩阵变换和运算、随机过程及Matlab函数等基本材料。

According to discrete conception, mechanism of image blur caused by uniform motion is analyzed. Mathematical models of image blur and restoration by uniform rotation motion are established by means of Z transform.

从离散直观角度分析了由匀速旋转运动引起图像模糊的机理，通过Z变换方法，建立了由匀速旋转运动引起图像模糊的退化模型和恢复模型，并给出了快速算法。

By Z transform, the limit of correlation property of spread spectrum code to a δ function is broken and the Pre-Rake diversity system performance under ideal channel estimation condition is obtained.

通过Z变换分析，我们突破了原有文献对扩频码相关特性为δ函数的限制，得到了理想信道估计情况下Pre-Rake分集系统的性能。

JPEG algorithm, as tIle encoding standards for still photographs, has adopted theDCT transfOrm and Z scanning.

JPEG作为静止图像压缩编码标准，并引入了DCT变换和Z形扫描等技术，可以也应当成为CCST信号图形制编码的理论基础。

A new optimal power flow model with reliability constraint is proposed to obtain an economic and secure operation schedule of the power system, where the reliability index constraint is constructed based on z transform theory to take the uncertainties of electric power system into account, and the objective aims at minimizing the total cost of the system to satisfy the expected loss of load probability.

提出一种考虑可靠性指标的最优潮流模型。该模型能考虑系统中的随机因素，通过z变换法构造电力系统的可靠性指标约束，将该约束添加到经典最优潮流模型中共同求解，从而使电为系统的调度或控制能在满足一定的失负荷概率指标的前提下实现最优运行。

The correlation theory is proposed to calculate phase difference and designed in frequency tracking. A promoted method for the initial measurement of CMF's signal processing is based on the Chirp Z Transform application. The result of simulation has proved that the techniques above are feasible.

应用DFT方法处理科氏流量计的信号是DSP算法的基础，本文除了详细介绍其实现过程，还提出了利用相关函数计算相位差和解决频率跟踪算法中的关键技术以及利用线性调频Z变换实现频率初始化测量的新技术。

Conventionally, computing the discrete Fourier transform that is equivalent to sampling of the z transform of the input sequence at equally spaced angles around the unit circle.

在以往，我们计算离算傅立叶转换相当於在z平面的单位圆上均匀的取样，然而，在某些应用上，非均匀的取样会更有效率。

The domestic cockpit voice signal's identification methods have been improved from the Cockpit Voice Recorder recovery system to wavelet transformation or chirp z transform,and so on.However,all these are off-line analysis methods.

对飞机机载驾驶舱话音记录器记录的非人声舱音信号分析，已从利用计算机音频处理的记录器译码系统进行辨听发展到基于小波变换理论、线性调频Z变换等方法的分析，但这些都是离线分析。

Bilinear Z transform with the design of IIR Butterworth digital low-pass filter, ECG can be achieved in the removal of random noise.

详细说明：用双线性Z变换法设计IIR巴特沃思型数字低通滤波器，能够实现心电信号中随机噪声的去除。

A new identification procedure for the nonlinear systems which can be described by Wiener-Hammerstein models is proposed by using correlation, multidimentional z transform, deconvolution and a simple least squares algorithm.

本文综合应用相关分析法、多维z变换、解卷积和最小二乘法提出了一种新的辨识具有维纳－哈默斯坦模型结构非线性系统的方法。

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％。