z变换 meaning in English
z transform
z-transform
Examples
- On the basis of simulative theory , the achievements of some mathematic models about prime movers having been synthesized , the difference equations with which the computer can cope are obtained by using mathematic tools such as laplace - transform and inverse z - transform . according to the function of the system , the hardware and software design , which takes 80c196kc as cpu , are elaborated . further more , the methods will improve the system ' s reliability by hardware and software
在此基础上，综合了原动机仿真系统数学模型的已有成果，并运用拉氏变换、逆z变换等数学工具，以仿真原理为依据，求取了便于计算机进行数值运算的差分方程。最后，根据仿真系统的具体功能，以80c196kc单片机作为控制核心，对原动机仿真系统的硬件和软件设计做了详细的介绍，并力求通过从硬件和软件设计两方面来提高控制系统的可靠性。 - A chirp - z transform ( czt ) algorithm on the which is similar to range - doppler algorithm is studied , and the effective swath width is analyzed . secondly , a modified block czt algorithm is presented , which improvs the computational efficiency of the high - resolution sar imaging with wide swath
其次研究了一种与距离-多普勒算法类似的线性调频z变换( czt )算法，分析了有效测绘带宽度的问题；提出了一种改进的分块处理czt算法，提高了对大场景高分辨率sar成像处理的计算效率。 - By the theory of z transformation of linear system and matrix , we proved the validation of the averaging filter method using in ietd to cancel oscillation . then we illustrate the disadvantage of using averaging filter and give a new averaging filter that we note as phase - modified averaging filter , which can reduce the disadvantage . at the end of this chapter , we study the potent of reducing the time - cost of ietd by taking account the short duration characteristics of incident impulse
本文第二章，首先简述了时域积分方程递推解法( ietd ) ，然后推导了应用于旋转对称体的，能够减少计算量的ietd方法，重点阐述并应用线性系统的z变换理论和矩阵理论研究了ietd方法中遇到的稳定性问题，从理论上证明了平滑滤波技术的有效性，指出了它对计算精度的影响，并在分析的基础上提出了新的相位修正平滑滤波方法。 - In this paper , based on the study of single channel deconvolution , we made a research in double channel deconvolution . there are three cases when we find its results by dfs algorithm . the first is that z transform expression of results have no polar on the identity circularity . the second is that denominator have zero on it while molecular have zero to counteract . the third is that z transform expression of results have polar on it , which is well known that deconvolution kernel has no spectral inverse
本文在对双通道信号卷积反演求解时采用较为简便的dfs算法，在求解过程中会遇到的三类情况，第一类是解的z变换表达式在单位圆上无极点，第二类是z变换表达式分母有零点但分子有相应的零点作抵消，第三类是z变换表达式在单位圆上有极点(即称之为卷积核无谱逆) 。 - Dynamic weighing system is as a second - order system and set it up model , then has its transform function laplace transform and z transform , at last has a formula that m is only relation to the system parameters . this article has system identified with the recursive least square ( rls ) method , and has the system parameters , while the auto - regressive - moving - average ( arma ) model for the second order weighing system is firstly derived . and has a equation which the mass is only correlation to the system parameters
论文具体分析了定量称量问题，首先是把称量系统看作是一个二阶系统，建立数学模后，进行拉普拉斯变换和z变换后得出一个质量仅与系统参数有关的关系式，从而把称量问题转化为一个系统参数识别问题来解决。通过编写的程序来采集系统信号并进行处理(运用渐消递推最小二乘法)对系统参数进行识别，从而得出称量结果。