查询词典 constructive interference

This paper researches the principal and normal structure of adaptive interference chancellor, discussing the LMS adaptive filter algorithm and it's anamorphosis algorithm that is used in adaptive interference chancellor.

本文研究了自适应干扰对消的原理和一般结构，讨论了用于自适应干扰对消的LMS自适应滤波算法及其变形算法。

Firstly, it discusses the principle of adaptive interference chancellor, including broad band signal and narrow band signal; Secondly, it analysises one common algorithm used in adaptive interference chancellor, that is, LMS algorithm and its anamorphosis algorithm especially normalized LMS algorithm pointing out their relationship. After then, the paper talks about the structure and reality of canceling broad band noise in narrow band signal and narrow band noise in broad band signal and gives it's result simulation analyzing the factors affecting the power of the algorithm. In the last party, it gives the hardware design and assembly language software design using TMS32OC3 1, including the result of simulating.

首先，本文讨论了自适应干扰对消的原理，并对窄带信号和宽带信号两种进行了分别分析；然后本文对自适应干扰对消中常用的算法—LMS算法进行了分析，同时也讨论了LMS算法的变形算法，尤其是归一化LMS算法，并指出了这些算法的相同和不同之处；此后，本文讨论了窄带信号中的宽带干扰对消和宽带信号中的窄带干扰对消的结构及实现方法并给出了住址的结果，分析了影响干扰对消效果的因素；在论文的最后，给出了用TMS320C31实现窄带信号中的宽带干扰对消的硬件设计和汇编程序设计，以及汇编语言程序的结果，并就此结果与高级语言程序的结果作了比较。

But this kind of open emission and reception system in High frequency communication has to face two challenges: firstly, natural interference from atmospherics and industry; secondly, tracing, blocking and multipath interference from enemy.

但这种开放式的发射和接收电磁波的通信，特别是在短波通信领域，不仅易遭到天电、工业等自然干扰，而且还要遇到敌方人为的跟踪、阻塞干扰以及多径等各种干扰。

The beat frequency can be thought of as an interference pattern in time, as opposed to the spatial interference pattern that is obtained with a passive Sagnac interferometer.

节拍频率可以被认为是干涉模式的时间，而不是干涉的空间格局是获得了一个被动Sagnac干涉仪。

The adaptive time-varying interference canceler is designed according to the estimated interference instantaneous phase.

5分析了压制式伪码调相干扰的形式及特点，定量研究了伪码调相干扰对伪码调相引信的影响。

The characteristic parameters of interferences are obtained by FRFT. Then the adaptive interference canceler is designed according to the estimated interference parameters.

该方法首先对观察信号进行FRFT，估计干扰的特征参数，利用估计出的干扰参数构造自适应干扰对消器，将干扰去除。

By observing the temporal correlation of interference when transmitters send data contiguously, a Kalman filter is used to predict interference power.

当数据包连续传送时，信道干扰具有时域上的相关性，Kalman滤波器可用来预测干扰功率。

In the system of anti-active-interference, we introduce the FBLMS algorithm which can overcome the drawback of exacerbation of the convergence properties in the domain of time due to eigenvalue spread of input signal correlation matrix and improve the processing rate because of the parallel properties of the FBLMS algorithm. After discussing the properties of the FBLMS algorithm and its developed algorithm, the paper presents the result of computer simulation and proves the reasonableness and feasibility of canceling the active interference in frequency agility fuse.

在捷变频引信抗有源干扰系统中，引入了频域自适应滤波算法FBLMS，可以克服输入信号相关矩阵特征值分散所导致的时域横向滤波算法收敛特性恶化的缺点，并且，由于算法的并行处理特性，大大提高了算法的实时处理性能，本文在分析了频域FBLMS算法的性能和改进算法后，给出了计算机模拟仿真结果，验证了对捷变频引信有源干扰抑制的合理性和可行性。

The improved experiment device of interference of sound wave can feel the interference countervail and strengthening of sound in ordinary lab, and measure the sound velocity.

本文给出了改进声波干涉实验装置的具体方案，该改进装置可在普通实验室内感受声音的干涉相消和干涉加强现象，并能测定声速和频率。

The nonzero cross correlation coefficient between codes will arouse the interference between the users, which is called multiple access interference.

多址干扰的存在不仅会严重限制系统的容量，而且强的多址信号还会淹没弱的用户信号。

Analog output can display output results.

可以模拟输出显示输出效果。

It implied that RAPD technique pro vided a new alternative for checking irradiation induced effects.

对扩增产物进行数据分析，结果表明RAPD技术能够检测出辐射后唐菖蒲基因组变异情况，可用于对唐菖蒲辐射后基因变异的分析。