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- WHAT MAKES THE ADAPTIVE ARRAY so smart? 适应型阵列天线为什麽能这麽聪明呢?
- At last,the classical adaptive array algorithms are discussed. 在此基础上 ,介绍了全自适应天线阵列中的经典自适应算法。
- FPGA-based implementation of LMS algorithm is one of the key techniques in the application of adaptive array antennas. LMS算法的FPGA实现是自适应天线阵用于实践的关键之一。
- It brings up a new DS-CDMA multiuser interference suppression receiver with a subspace tracking adaptive array. 提出了一种新的基于子空间跟踪的自适应阵DS-CDMA多用户干扰抑制接收机。
- In an urban environment where there are numerous reflections, the adaptive array can receive from and transmit to a small area surrounding the phone. 在具有无数反射讯号的都会环境中，适应型阵列可针对电话周围的小区域收发讯号。
- This new method can not only make the CMA adaptive array be available in CDMA systems,but also prevent CMA from converging on undesired signals. 这种新的波束形成方法不仅为CMA自适应阵列在CDMA系统中的应用提供了一种途径 ;而且还能防止CMA收敛到错误信号上 ;从而提高系统的可靠性 .
- This paper introduces a Grain-Schmidt cascade orthogonalization preprocessor decor-relating the received signals in adaptive array. 本文介绍了一种可用于自适应阵各阵元接收信号去相关的Gram-Schmidt级联预处理器。
- FPGA-based implementation of floating-point LMS algorithm is one of the key techniques in the engineering design of adaptive array antennas. 浮点LMS算法的FPGA实现是自适应天线阵工程设计中的关键技术。
- A new approach called spatial-temporal correlator (STC) for code acquisition and beamforming weight acquisition is proposed for DS-CDMA systems with adaptive array. 提出了空时相关器 (STC)方法实现使用自适应阵列的DS CDMA系统的码捕获和自适应波束形成权值捕获 .
- In the real-time adaptive beamforming,more attention has been taken on using triangular systolic array to form an adaptive array cancellor for space interference cancellation. 在实时自适应波束形成中,用三角脉动阵列构成自适应阵列调零处理器在空域抑制干扰得到广泛的重视。
- The two users could be communicating with the adaptive array at the same time and on the same frequency channel, but their signals would not interfere with each other. 透过适应型阵列通讯，两位用户可同时使用相同的频道，但却不会彼此干扰。
- In conventional adaptive array processing,the array processing performance will be degraded seriously because of the steering error,which must be calibrated. 在自适应阵列处理中,指向误差将使阵列处理性能严重下降,必须进行校正。
- However, adaptive array utilizing conventional Uniform Spatial Smoothing (USS) has poor ability to suppress coherent interferences, and it will lose the aperture of array. 然而，采用常规均匀空间平滑的自适应阵列对相干干扰的抑制能力较差，而且会损失阵列孔径。
- An optimized medium access control protocol, OD-DCF is proposed to support both smart adaptive array antennas and normal omnidirectional antennas simultaneously in one WLAN. 摘要提出优化的媒体接入控制协议OD-DCF，可以在一个无线局域网内同时支持智能自适应阵列天线和全向天线。
- 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。
- In adaptive channel equalization, the conventional equalization method couldn?t effectively compensate the high order abnormal produced by severe channel mismatch, so it severely degraded the performance of an adaptive array. 在自适应通道均衡中,常规均衡法中的高阶均衡器已不能有效补偿因通道失配严重而产生的高次畸变,从而导致自适应阵列处理性能的急剧下降。
- In the adaptive array antenna system, the ordinary multi-channel receiver circuit is very complicated, and it is difficult to assure the consistency of all channels and the reliability in application. 在自适应阵列天线系统中,通常的多通道接收机电路复杂,难以保证各通道性能的一致性,以及使用的可靠性。
- Adaptive array interference nulling technique based on digitalbeamforming (DBF) can improve greatly the anti?interference capabilitiesof a radar. It becomes a very important and key technique which a modernradar has to use. 基于数字波束形成（DBF）的自适应阵列干扰置零技术能够大为提高雷达系统的抗干扰能力，是新一代军用雷达必须采用的关键技术。
- It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals. 在自适应天线阵的发射模式中应用自适应算法，控制发射波束的零点位置，以达到抑制干扰信号的目的，是现代雷达采用的先进技术之一。
