首页>
外国专利>
DBF SIGNAL PROCESSING APPARATUS, AND DBF SIGNAL PROCESSING METHOD
DBF SIGNAL PROCESSING APPARATUS, AND DBF SIGNAL PROCESSING METHOD
展开▼
机译:DBF信号处理装置及DBF信号处理方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To obtain a DBF (Digital Beam Forming) signal processing apparatus which can perform DFT processing at high speed, whose weight is reduced, and with which the cost of a product can be reduced, even in the case that the number of antenna elements is not a power of 2, and to provide a DBF signal processing method.;SOLUTION: The DBF signal processing apparatus includes: reception means 3a to 3j for amplifying and demodulating signals received by one or more antenna elements 2a to 2j; A/D conversion means 4a to 4j for performing A/D conversion of amplified and demodulated signals; a product-sum operation means 5 for performing product-sum processing of A/D-converted signals by adder/subtractors and multipliers provided in accordance with the number of antenna elements; a signal arriving angle calculation means 6 for calculating incoming directions of signals from the operation result of the product-sum operation means 5; and a display means 7 for displaying the obtained incoming directions of signals.;COPYRIGHT: (C)2008,JPO&INPIT
展开▼
机译:要解决的问题:获得一种DBF(数字波束成形)信号处理设备,该信号处理设备可以高速执行DFT处理,减轻了重量,并且即使在数量众多的情况下也可以降低产品成本解决方案:该DBF信号处理设备包括:接收装置3a至3j,用于放大和解调由一个或多个天线元件2a至2j接收的信号。 A / D转换装置4a至4j,用于对放大和解调的信号进行A / D转换。乘积和运算装置5,用于通过根据天线元件数设置的加法器/减法器和乘法器对A / D转换信号进行乘积和处理;信号到达角计算装置6,用于根据乘积和运算装置5的运算结果计算信号的进入方向。 ;显示装置7,用于显示所获得的信号的进入方向。COPYRIGHT:(C)2008,JPO&INPIT
展开▼