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Then the neighbors forward the received data to the sink as virtual antenna by using the beam forming technique,which enhances the power of the received signal,and accordingly improves the capacity of wireless sensor networks. 由数据源节点将信息发送给尽可能多的周围邻居节点,然后这些邻居节点充当波束成形技术中的虚天线将收到的包转发给接收节点,以此增大接收节点所接收到的信号功率,从而提高无线传感器网络的容量。
beam forming technique 聚束技术
Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 数字波束形成(DBF)技术是现代雷达和通信领域的研究热点。
With the development of signal processing technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems. 随着信号处理技术的发展，数字波束形成(DBF)技术在现代雷达和通信系统中的应用越来越广泛。它利用数字信号处理的方法形成多个独立的波束。
One-source BSE algorithms are directly usable to blind beam forming. 单源盲分离算法可以直接用于盲波束形成。
It also describes the development of heat roller bend forming technique abroad. 还就因外加热辊弯成型技术的发展作了评述。
Dieless drawing is a new development metal forming technique in recent yeare. 无模拉伸是近年来新开发的一种金属成形工艺。
A high performance digital beam forming (DBF) processor is designed and implemented by using ADSP-TS201S. 采用ADI公司的TigerSHARC系列第二代超高性能DSP芯片ADSP-TS201S设计制作了一个高性能的数字波束形成(DigitalBeamForming,DBF)处理器。
Digital beam forming (DBF) is a soaring technology in muti-subjects area in last twenty years. 数字波束形成技术是近二十年来发展起来的多学科交叉的新兴技术。
Characteristic s and appl icati on of roll-bend fOrming technique using elastic medium have been intro -duced. 介绍了利用弹性介质进行滚弯成形技术的特点和应用。
This article introduces many kinds of ultrasonic transducers, transducer focus, and digital beam forming technology. 概述了各种超声医学成像换能器现状,以及换能器聚焦和数字波束成像技术。
Warm compaction is a new forming technique for fabricating high performance ferrous P/M parts at lower cost. 温压是以较低的成本制造高性能铁基粉末冶金零部件的新型成形技术。
In the case of the main-lobe interference, we construct the preprocessing matrix, which cancels the main-lobe interference before adaptive beam forming. 特别针对主瓣内干扰情况下的宽带自适应波束形成,通过构造圆阵预处理矩阵,消除主瓣内干扰后再作自适应波束形成,解决了主瓣畸变的问题。
The space is thoroughly released and the free separation is realized owing to the application of advanced one-time forming technique of floor slabs. 由于项目采用了先进的楼板一次性成型技术,将空间彻底释放,完全自由分割。
A new digital beam forming (DBF) method is proposed. It combines the parallel delay LMS (PDLMS) algorithm and the field programmable gate array (FPGA). 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 compound die of bending drawing bulging was designed for a triangle chassis truckfest part based on the analysis of its forming technique. 对三角形底盘筒形件的成形工艺进行了分析,决定采用弯曲、拉伸、胀形复合模进行复合成形。
The affection of quantization error for SNR in digital beam forming (DBF) is analyzed on the perfect and normal conditions respectively. 摘要文章针对理想和非理想的不同条件，从理论上分析了量化误差对于数字波束合成(DBF)中输出信噪比SNR的影响。
The cylinder core forming technique is a key measure on which the technical behavior and cost of MOA polymeric housing depends. 芯体成型工艺是决定复合外套MOA的技术性能和成本的关键。
Using the microphone array system based on beam forming technology,the noise emission property of a motorcycle was investigated in detail. 利用基于波束成形的远场声阵列噪声源分析技术研究了摩托车辐射噪声的声源特性。
The concrete building of the spillway s steep slope section of the Qingshitan reservoir applied sliding form technique. 青狮潭水库溢洪道陡坡段混凝土浇筑,采用滑模技术,能加快施工进度,确保工程质量,保证了建筑物造型的准确和外观质量优良。