在CDMA系统中,引入多用户检测、功率控制和天线阵列波束形成技术,可以有效地抑制干扰,提高系统容量。
The multiuser detection, power control and smart antenna technique can be used as power methods to suppress the interference, hence increasing the capacity of CDMA systems.
当雷达在低仰角跟踪时,降低多径误差的阵列天线波束的形成技术,可消除或降低低仰角跟踪目标时的测量误差。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
数字阵列雷达工作于宽带成像模式下,需要进行宽带数字波束形成。
Working on the imaging mode, the dar (digital Array Radar) needs to implement the broadband digital beamforming processing.
舷侧阵的波束形成方法、高分辨方法和阵列误差校准技术就是课题的重要研究内容。
So, beamforming, higher resolution method and array error calibration for broadside arrays became important research contents.
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.
自适应数字波束形成技术是现代阵列天线系统必须采用的关键技术。
Adaptive digital beamforming is a key technique which is must adopted in modern array antenna systems.
数字阵列雷达是一种接收和发射波束都采用数字波束形成技术的全数字阵列扫描雷达。
Digital array radar (dar) is a fully digitized phased array radar in which digital beamforming technique is used both in receiving and transmitting.
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.
利用计算机仿真和水池实验,深入分析了阵列模型失配对基于理想阵列模型设计的时域恒定束宽波束形成器性能的影响。
The effects of array mismatch errors on time domain WCBB based on ideal array model is thoroughly studied via computer simulations and water tank experiments.
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.
实验圆阵的实测阵列流形和理论阵列流形存在较大误差,这表明该文采用的可适用于任意结构阵列的宽带恒定束宽波束形成方法具有良好的宽容性。
The big difference between measured and theoretic manifold of the circular array showed that the broadband constant beamwidth beamforming method used in the paper has good tolerance.
阵列天线的数字多波束形成技术是智能天线中的一项重要技术。
The digital beamforming (DBF) of the phased array antenna is a key technology of the smart antenna.
二维平面阵自适应数字波束形成系统的研究将是今后数字化阵列天线的热点之一。
The study of two-dimensional planar arrays adaptive digital beam-forming system will be one of the focuses of digitization array antennas.
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.
DOA-波束形成联合算法是在天线阵的阵列流型估计不准确时具有稳健性,并且DOA估计性能和波束形成性能优于已有波束形成算法。
The beamforming algorithm joint with DOA is robust to imprecise array manifold, and has better performances both in beamforming and DOA than existing beamforming algorithms.
提出了一种利用DSP实现基于阵列天线的数字波束形成的方案,对数字波束形成原理作了简单介绍。
The project of digital beam forming in antenna arrays was suggested based on DSP.
一种基于数字波束的智能天线实现装置,包括:阵列分集天线、射频通道、波束形成单元、基带处理MODEM和波束控制器。
Equipment for implementing intelligent antenna includes: array diversity antenna, radio frequency channels, beam forming unit, baseband processing MODEM and beam controller.
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.
采用高并行度的并行延时最小均方(PDLMS)算法,用现场可编程门阵列(FPGA)实现自适应数字波束形成模块。
A new digital beam forming (DBF) method is proposed. It combines the parallel delay LMS (PDLMS) algorithm and the field programmable gate array (FPGA).
本文结合工程的实际需求,对宽带恒定束宽波束形成的算法进行研究,并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
本文结合工程的实际需求,对宽带恒定束宽波束形成的算法进行研究,并详细讨论了宽带数字阵列雷达中数字波束形成系统的工程实现问题。
In this paper, the algorithm of wideband constant beamwidth digital beamforming is studied, and the implementation of digital beamforming system in wideband digital array radar is discussed.
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