自适应波束形成可以实现空间信号分离。
Spatial signal separation can be realized by adaptive beamforming technique.
本文提出了一种级联的自适应波束形成算法。
In this paper, we propose a new adaptive beamforming algorithm using a cascade configuration.
提出一种基于循环最小均方算法的自适应波束形成算法。
Firstly, propose a novel adaptive beamforming algorithm based on cyclic least mean square (CLMS) algorithm.
自适应波束形成算法是声纳信号处理领域最引人注目的课题之一。
Adaptive Beamforming is one of the most popular questions in the sonar signal processing field.
重点研究的是适合不规则子阵结构的子阵级自适应波束形成算法。
Then, the algorithms of partially adaptive beamforming based on irregular subarray have been put emphasis upon.
所以,对于大型相控阵,一般采用子阵级部分自适应波束形成算法来处理。
Thus, partially adaptive beamforming based on subarray is suitable for the large phased array system.
在天波超视距雷达中,通道之间的频响不一致影响了自适应波束形成的性能。
The inconsistency of frequency response between channels degrades the performance of adaptive digital beam-forming in over-the-horizon radar.
STSC可以有效估计多径信号的传输时延,同时捕获自适应波束形成的权值。
Using STSC, propagation delays of the multi-path signal can be estimated and the weights for beam-forming can be determined simultaneously.
为了进一步提高传统最优空时滤波算法的性能,提出了一种新的空时联合的自适应波束形成算法。
To improve the performance of the traditional optimum space-time filtering algorithm, a novel space-time adaptive beamforming algorithm is presented.
正交投影(OP)自适应波束形成算法性能优良,但需要进行复协方差矩阵特征分解,运算量大。
The orthogonal projection (OP) adaptive beamforming algorithm has good performance but it is computationally expensive because of performing eigen-decomposition of the complex covariance matrix.
提出一种将自适应波束形成技术和杂波抑制干涉(CSI)技术相结合的阵列天线动目标检测方法。
In this paper a method of detecting slow-moving ground targets using array antenna based on adaptive beamforming and Clutter Suppression Interferometry (CSI) is presented.
在自适应波束形成技术抑制干扰问题中,当存在主瓣干扰时,便暴露出两个缺陷:一是副瓣电平增高;
There are two disadvantages in adaptive beam forming in the presence of main lobe interference, one is heightening of side-lobe level, the other is distortion and peak offset of main beam.
近十年自适应波束形成算法在通信、雷达、声纳、生物医学工程等科技领域中得到了极为广泛的应用。
In recent decades, adaptive arrays have been widely used in wireless communications, sonar, radar, medical imaging and other fields.
另一种是利用宽带聚焦方法的自适应波束形成算法,将DOA估计中的宽带聚焦方法应用到波束形成中。
The other one is broadband focusing for adaptive beamforming, the broadband focusing of DOA estimation applies to beamforming.
并且DLMS算法应用在自适应波束形成系统时,能达到使期望信号增强,同时将干扰信号抑制的目的。
So using of the adaptive beamforming DLMS system can reach to the desired signal enhancement, for the purpose of nulling interference signals.
对于使用阵列天线的直接序列扩谱系统,提出使用空时相关器方法实现码捕获和自适应波束形成权值捕获。
For DSSS system with antenna array, the spatial-temporal correlator (STC) is proposed for the acquisition of the PN code and adaptive beamforming weight.
本文基于卫星导航定位系统接收机的智能天线抗干扰应用背景,研究了利用PN码的盲自适应波束形成算法。
The blind adaptive beamforming algorithms using PN code are studied in this paper, based on the smart antenna anti-jaming application in satellite navigation and position system receiver.
研究了用于麦克风阵列语音增强的宽带健壮自适应波束形成算法。该算法结合频率聚焦技术和对角加载技术。
The approach of wideband robust adaptive beamforming (RABF) for speech enhancement based on micro-phone arrays was investigated.
提出了一种具有双重鲁棒性的自适应波束形成算法,以克服有限采样效应和方向矢量误差引起的波束性能下降。
In this paper, a novel approach of doubly robust adaptive beam formation (RABF) is proposed in order to improve the robustness against finite-sample effects and steering vector errors.
在讨论了几种自适应准则和自适应波束形成算法的基础上,探讨了MIMO雷达系统中适用的自适应波束形成算法。
In the base of the several kinds of adaptive criterion and adaptive beamforming algorithm, we discuss the adaptive beamforming algorithm that can be used in the MIMO radar system.
在经典自适应波束形成算法中,常采用均方误差准则,但对于一个通信系统来说,误码率是评价其性能的一个很重要的参数。
Mean square error approach is often adopted in classical adaptive beam-forming algorithm, nevertheless, the bit error rate is one of the most important parameters in a communication system.
在特征波形检测中提出用目标冲击响应的晚期响应作为目标的特征波形,再利用自适应波束形成的算法来检测待测目标的特征波形。
In the signature waveform detection aspect the target's late-time response is adopted as the signature waveform, then the adaptive beam formation arithmetic is used to detect this signature waveform.
针对非正侧视阵在俯仰向抑制近程杂波时算法效果不佳的问题,文中提出了一种基于特征空间自适应波束形成的近程杂波抑制算法。
Currently developed methods do not perform well for short-range clutter suppression of non-side-looking arrays. This paper presents an algorithm based on eigenspace adaptive beamforming technique.
同时,实际环境中存在的一些特殊形式的干扰也给自适应波束形成技术带来了严重的影响,如多径相干干扰、闪烁干扰、灵巧干扰等。
Moreover, some jammings with special styles, like multipath coherent jamming, blinking jamming, smart jamming and so forth, also bring serious impacts on traditional adaptive beamforming.
但是,当存在与期望信号具有相同循环频率分量的恶劣干扰以及循环频率存在误差时,传统循环平稳自适应波束形成算法的性能将急剧下降。
The benefit of beamforming by exploiting cyclostationarity is the ability to extract SOIs from interference and noise with only a knowledge of cycle frequency.
本课题来源于大型线性阵列部分自适应波束形成技术的研究项目,论文中主要讨论其中的两个关键技术:adbf算法、线性阵列的子阵划分处理。
Our research work comes from a project of line array antenna's ADBF system. In this paper two subjects are discussed: subarray partition of the line array and ADBF algorithms.
最后对算法的性能进行了仿真,仿真结果表明:该算法达到了自适应波束形成的要求,与LS -DRMTA算法相比具有更佳的收敛和输出性能。
It is shown from simulation results that the algorithm satisfies the requirements of adaptive beamforming, and has better convergence and output performances than LS-DRMTA.
简要介绍了自适应天线系统及三种常用的最佳加权系数准则,讨论了一些常用的自适应数字波束形成算法。
Adaptive antenna system as well as three usual optimal weight coefficient rules is introduced briefly and some usual algorithms about adaptive digital beamforming are discussed.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
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