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- Array Signal Processing by DFT 用DFT技术对阵列信号进行处理
- Discrete fourier transform ( DFT) was introduced into the spatial domain signal processing to analyse and process the uniformly spaced linear array signals, and a method to extract the DOA of signal was presented. 将离散傅里叶变换(DFT)引入到空域信号处理中;对等距线阵接收的信号进行了分析和处理;提出了一种提取信号来波方向的方法.
- Wideband beamforming with constant beamwidth is one of the key problems in array signal processing. 宽带恒定束宽波束形成器是基阵信号处理中的难点。
- Subject headings: array signal processing / MIMO systems / blind source separation /higher order statistics / homotopy. 对于搞MIMO系统盲识别的同学有较大帮助。
- Abstract：Multi-channel synchronal sampling system plays an important role in array signal processing system. 摘要：多通道同步采集系统是阵列信号处理系统中的重要环节。
- This thesisdeals with some problems of array signal processing in spatial-temporal undersampling. 本论文研究空间和时间欠采样情况下阵列信号处理问题。
- The system hardware integration, software development and the test program set of array signal processing are described. 对该系统的硬件集成、软件设计及阵列信号处理测试程序集的开发作了介绍。
- The array signal processing method, which is used to orientate the sound source of the moving vehicle, was studied in this thesis. 摘要对行驶车辆辐射声场的阵列信号处理理论进行了应用性研究。
- This article focuses on the performance of the DOA estimation algorithm in array signal processing and the decorrelation method of coherent signal DOA estimation. 本文重点研究了阵列信号处理中DOA估计的算法性能和相干信号DOA估计的解相干方法。
- Abstract：Owing to needing a great deal of matrix operation in the array signal processing, but among them the most essential is the matrix multiplication. 摘要：在阵列信号处理中需要大量的矩阵运算，而其中最基本的就是矩阵相乘运算。
- Under ideal conditions, adaptive array signal processing methods can get excellent performance and adaptive beamformers provide an improvement in array output signal-to-interference-plus-noise-ratio (SINR) in comparison with conventional beamforming. 在理想情况下，自适应阵列信号处理在阵列流形确知时，自适应波束形成能在干扰位置形成零陷，使得阵列输出信号干扰噪声比(SINR)最大。
- The adaptive array signal processing can obtain good performance in the ideal cases. But the errors in the system always severely affect the performance of the array signal processing. 虽然自适应阵列信号处理在理想的情况下可以达到很好的性能,但由于实际系统中存在的误差,会严重影响到阵列信号处理最后的输出性能,所以,寻求稳健的阵列信号处理算法一直是广大研究者追求的目标。
- Using covariation concept in array signal processing, the proposed algorithm can obtain clean speech signal subspace by eigen-decomposition of the covariation coefficient matrix of speech signal corrupted by impulsive noise. 该算法把阵列信号处理中的协变异应用到语音增强中，对带噪语音信号的协变异系数矩阵进行特征值分解得到纯净语音信号的子空间。
- By the combination of antenna array and advanced signal processing technology, the smart antenna system can perform adaptive array signal processing, the resulting advantages attract many researches in the fields of communication and signal processing. 所谓智能天线系统(Smart Antenna System)就是天线阵列与先进的信号处理技术相结合,形成具有自适应信号处理能力的天线阵列系统,是通信和信号处理等领域的研究热点。
- This thesis makes use of higher-order statistics in array signal processing of HF-GWR and discusses the application of fourth-order cumulant in estimating arrival-of-direction of currents and targets. 为改善雷达低信噪比时的探测性能，提高角度估计精度，并为雷达天线进一步小型化提供理论依据，本文将高阶累积量引入高频地波雷达信号处理，具体研究四阶MUSIC算法在海流探测和目标方向确定中的应用。
- Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology. 空间谱估计是阵列信号处理的一个重要分支，近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。
- Then two signals from the DWDM are converted and processed by photodiodes and signal processing unit. 然后两路信号从DWDM的转换和处理的光电二手频谱分析仪极管和信号处理单元。
- array signal processing platform 阵列信号处理平台
- As an example, computer simulations and experimental results of 127-bit biphase coded signals processed by the SSF are also given. 并以127位二相编码信号为例,对SSF处理的性能进行仿真分析和实验测试。
- In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor. 在数据处理中,对所得到的复杂时域振动信号进行了离散傅里叶变换(DFT),从而在频率域获得了转子的振动频率和振幅信息。
