descending tract

用法例句

This document investigates downlink beamforming in TD-SCDMA system.

研究了基于TD-SCDMA系统的下行波束赋形,利用最大信干噪比准则计算出天线的加权系数,在发送端进行赋形,并做了仿真,结果表明下行波束赋形能明显降低接收端误码率,进而降低了基站发射功率。

This paper presents the downlink beamforming algorithm in TD-SCDMA and carries out emulator.

智能天线技术是TD-SCDMA系统中的关键技术,其中下行波束赋形使下行波束对准移动用户,可靠地减小了干扰,提高了系统的频谱利用率。

Research on Downlink Beamforming in TD-SCDMA System;

TD-SCDMA下行波束成形技术研究

In this paper, an optimal problem is formulated which jointly optimizes downlink beamforming weights and data rates for given system throughput and soft target SIR thresholds using DS-CDMA technology.

下行波束成形能用来限制由于高速率数据用户引起的干扰,也能改善系统性能。

FDD-CDMA System Downlink Beamforming Researching;

文中首先阐述了智能天线和下行波束形成的基本原理,分析了在FDD方式下采用下行波束形成技术的两个主要技术难点,即下行信道协方差矩阵的估计和下行波束形成算法。

Research on DOA Estimation Based Downlink Beamforming Techniques for FDD System;

FDD系统中基于DOA估计的下行波束形成技术研究

A new beamforming method for CDMA downlink systems is proposed.

提出了一种应用于下行链路的波束形成新方法。

Joint Robust Design of Beamforming for Downlink of MU-MIMO Systems;

MIMO多用户下行链路联合波束形成稳健性设计

Optimal downlink power allocation strategy and beamforming algorithm

最优下行链路功率分配策略和波束形成算法

An Algorithm of Robust Beamforming in the Downlink Multiuser MIMO System

一种下行多用户MIMO系统中的鲁棒波束形成算法

Beamforming for the Downlink in a Multiuser MIMO System;

MIMO系统下行波束成型技术研究

Research on near field focus beam-forming and beam null-forming

近场声聚焦波束形成与波束零陷研究

Blind DBF algorithm for environments of high SNR and low SIR

高信噪比低信干比环境下盲自适应波束形成

Study on Beamforming Algorithm and Its Implementation in the Case of Contaminated Sample Data;

样本污染情况下的波束形成算法研究及其实现

A robust beamforming method of underwater acoustic signals in impulsive noise environment

脉冲噪声环境下一种韧性的水声信号波束形成

A Robust Adaptive Beamforming Algorithm in Coherent Jamming

一种相干环境下的稳健自适应波束形成算法

Optimized Method of Beamforming for Towed Linear Arrays in Presence of Element Failure

阵元失效条件下拖线阵波束形成的优化方法

Adaptive Broadband Beamforming of Circular Array Under Main Lobe Interference Condition

主瓣干扰下宽带圆阵自适应波束形成方法

Analysis of beamforming algorithms for GPS receivers in the jamming environment

干扰环境下用于GPS接收机的波束形成算法分析

Simulation of Cooperative Beamforming with Limited Feedback

有限反馈下协作波束形成系统的性能仿真研究

DBF Based on Multi-aircraft Tracking Telemetry and Command System

基于多飞行器测控系统的数字波束形成研究

Steering-Invariant Constant Beamwidth Beamforming with SOCP Constraints

基于二阶锥约束的方向不变恒定束宽波束形成

Research of Constraints Beamforming and DOA Estimation Algorithm;

约束波束形成及波达方位估计算法研究