本文研究了宽带阵列信号采样方法。
This dissertation researches broad band array signal sampling methods.
本论文首先介绍阵列信号处理的基础知识。
研究了在高斯干扰中极化自适应阵列信号检测问题。
The problem of signal detection in Gaussian interference by utilizing polarization and adaptive array is studied.
阵列信号处理的波束形成器实质上是一种空域滤波器。
The beam former of array signal processing is a space filter.
阵列信号处理是信号处理领域中的一个极其重要的分支。
Array signal processing is an extremely important branch of signal processing field.
阵列信号处理的热点之一是目标波达方位(DOA)估计。
The direction-of-arrival (DOA) estimation is one of the most important problems in the technology of the array signal processing.
因此,对宽带信号的阵列信号处理方法的研究显得尤为重要。
So the research on wide-band array signal processing method becomes more and more vital.
因此,对自适应阵列信号处理稳健性算法研究显得越来越重要。
Therefore the study of robust algorithm for adaptive array signal processing is becoming more urgent and important.
文中首先介绍了阵列信号模型,分析了空时二维谱估计的原理。
The model of array signal is described first, and then the principle of 2-D spatial-temporal spectrum estimation is analyzed.
声源定位是阵列信号处理的主要任务之一,是实现空间滤波的基础。
The localization of the speech source is the primary task of the array signal processing, and the basis of spatial filter designing.
该方案分为水听器阵列信号的网络传输和计算机集群处理两个部分。
The scheme has two parts: network transmission of the hydrophone array signal and cluster signal processing.
本论文就宽带阵列信号的波达方向估计(DOA)方法进行了研究。
This dissertation concentrates on the study of Direction-of-Arrival (DOA) for wideband signals.
近年来,宽带和相关信号的阵列信号处理成为这个领域的研究热点。
In recent years, coping with wideband and coherent signals becomes a hot subject in this field.
采用阵列信号处理进行高分辨测向是新体制电子侦察卫星的关键环节。
High resolution direction-finding method using array signal processing technique plays a pivotal role in the new electronic reconnaissance satellite system.
根据阵列信号处理原理,对单个电磁矢量传感器分析,并进行DOA估计。
Single electromagnetic vector sensor array is analyzed and DOA estimation in terms of the principles of array signal processing.
其次介绍了阵列信号处理的基本模型,推导了常用平面阵列的方向图函数。
Secondly, the model of array signal processing is introduced and the common planar array pattern functions are derived.
在阵列信号处理中,提取回波信号中的空间频率,可以得到目标的方位信息。
In processing of array signal, Direction of Arrival (DOA) of target can be obtained by extracting spatial frequency of echo.
就盲分离在阵列信号处理中的应用,提出了一种基于四阶累积量的源数估计方法。
Based on the application of BSS in array signal processing, a method of estimation signals number was proposed.
系统概要地论述了阵列信号处理的基本概念和理论,给出了宽带阵列信号处理的模型。
The fundamental concepts and theories of array signal processing are discussed summarily, and the model of wideband array signal processing is set up.
建立在平稳窄带假设基础上的传统阵列信号处理方法在分析处理这类信号时受到局限。
When dealing with the nonstationary signals, the performance of traditional methods in array signal processing may degrade heavily because of the narrowband and stationary signals assumptions.
不同于传统阵列信号中每次快拍形成一组数据矢量,该算法每次快拍形成一组数据矩阵。
Unlike the data vector in conventional array signal processing, a data matrix is formed for each snapshot.
极化阵列信号的参数估计和极化敏感阵列校正问题的研究对雷达信号处理具有重要的意义。
It is great significance for radar signals processing to study estimation of the polarized array signals and calibration of the array.
传统的窄带阵列信号处理算法对信号的带宽十分敏感,其性能随着信号带宽的增大而迅速下降。
The traditional algorithm of narrow band array is sensitivity to the signal bandwidth. Its performance is declined while the bandwidth becomes larger.
目前已广泛应用于语音信号处理、图像处理、多用户通信、阵列信号处理及医学信号处理等许多领域。
Nowadays, it has been wildly applied in diverse fields such as speech signal processing, image processing, multi-user communication, array processing and biomedical signal processing.
本项目在国家自然科学基金的支持下,在阵列信号盲分离及信道均衡方面进行了多个方面的研究工作。
This project has completed several research works on array-signal blind separation and blind channel equalization under support of NSFC.
宽带阵列信号处理是水声信号处理的一个主要研究方向,但是宽带水声信号的处理远比窄带信号复杂的多。
Broadband array signal processing is a main direction of underwater acoustic signal processing, but the broadband signal processing is more complex than that of narrowband.
阵元位置误差、阵元间互耦的影响、接收机通道的频率响应的差异都直接影响着雷达阵列信号处理的性能。
Element position error, mutual coupling between elements, and the difference in frequency responses of receiver channels influence directly the performance of array radar signal processing.
极化敏感阵列信号滤波主要研究利用干扰信号与期望信号空域和极化域的特征差异抑制干扰、增强信号的问题。
Signal filtering of PSA means suppressing interference and enhancing the desired signal, using the difference between desired signal and interference in spatial and polanzational domains.
通过构建空间时频分布矩阵,和传统的阵列信号处理方法相结合,从而得到一种新的时频域的波达方向估计方法。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
通过构建空间时频分布矩阵,和传统的阵列信号处理方法相结合,从而得到一种新的时频域的波达方向估计方法。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
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