if ( intermediate frequency )中文什么意思

中频

• if:     If they had ...
• intermediate frequency:    【无线电】中频。
• frequency, intermediate (if):    中频

例句与用法

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1. If ( intermediate frequency ) receiver is an important component in modern radar and communication system
   数据采集系统是信号与信息处理系统中不可缺少的重要组成部分。
2. Chapter 2 sets forth the structure of if ( intermediate frequency ) digital software radio , the critical theory of software radio and the signal processing technique about it
   第二章介绍了中频数字化软件无线电的结构，并阐述了软件无线电的关键理论和软件无线电中的信号处理技术。
3. In this paper , we summarize the basic principles of the if ( intermediate frequency ) digital technology and detail the project and realization of the if digital system
   本文概述了中频数字化技术的理论基础，详细讨论了中频数字化系统的方案和具体实现，同时给出了系统有关指标的测试方法和测试结果。
4. In order to increase processing rate of inserting filters , pipe line is used to satisfy if ( intermediate frequency ) modulation . 5 . nco ( numeric controlling oscillator ) based on lab ( look - at table ) fully satisfy if modulation
   研究了级联内插滤波器在宽带if调制中的应用;以及如何加流水线( pipeline )提高内插滤波器的处理速率,满足高速中频( if )调制要求。
5. First , the theory and structure of swr is expounded , then software and hardware models of the base station , which use the sdr structure of wideband and band - pass sampling in if ( intermediate frequency ) , are put forward
   首先介绍了软件无线电的概念、特点、基础理论和基本构成，推导了软件无线电的数学模型，然后在此基础上详细讨论了基于宽带中频带通采样软件无线电结构的移动通信基站的硬件和软件的设计方案。