低噪声、高线性度的射频前端设计是整个射频接收机系统电路设计中的关键。
Low noise, high linearity RF front end circuit is the key of the whole RF receiver system design.
随着现代通信技术的飞速发展和市场需求的不断提高，对射频接收机的性能提出了更高要求。
With the rapid development of the communication technique and the growing demand of the markets, the better performance of radio-frequency (RF) wireless receivers is requested.
频率合成器是无线通信中射频前端的主要构件模块之一，性能直接决定射频接收机的频率选择性。
The frequency synthesizer is a key building block of radio frequency front-end for wireless communications and its performance determines the frequency selectivity of radio frequency receivers.
为达到较高的集成度，射频接收机一般要求使用尽量少的片外元件，因此零中频结构将会受到越来越多的关注和应用。
Zero IF architecture is preferable to SOC system because of fewer off-chip devices. Here, it introduces different RF receiver architectures in the paper.
这个是发射机,发射频率是，这是接收机,接收频率f撇。
Let this be the transmitter f which produces frequency f, and here is the receiver which receives the frequency f prime.
射频干扰可能会引起导航精度的降低或接收机跟踪的丢失。
It is possible that the RFI can result in navigation accuracy degradation or receiver tracking loss.
在现代功率测量中，射频脉冲峰值功率的测量广泛应用于如发射机的发射功率、微波接收机的灵敏度、放大器的增益等测量方面。
In modern power measurement, the measurement of the pulse of radio power has been widely used as the transmitter power, the delicacy of microwave receiver, the plus of amplifier and so on.
本论文主要研究OFDM系统中的射频BPF的群时延特性对OFDM接收机误码率的影响。
This paper is to research the effects of the RF BPF group delay characteristics on the bit error rate (BER) of the OFDM receiver.
数字广播接收机前端电路指接收机中完成从射频到基带转换的部分，是决定接收机性能指标的关键部分。
The front end in a digital broadcasting receiver means the part of circuit that converting RF analog signal to baseband digital data stream.
介绍了双射频前端GPS遥感延迟映射接收机的设计原理及在海洋风场测量中的应用。
The design theory of double RF front end delay mapping receiver based Zarlink GP2021 and GP2010 for GPS remote sensing and application in sea wind measure are introduced.
介绍了一种应用于C波段接收机射频前端，并利用耦合微带线设计的射频滤波器。
An RF fitter, which is applied to C-band receiver RF front and designed with the coupling micros - trip line, is introduced.
典型的射频微波类测试仪表：信号源、频谱分析仪、网络分析仪、功率计、接收机等等；
Typical RF & uW instruments: signal generators, spectrum analyzers, network analyzers, power meters, receivers and so on;
在进行脉冲天线测量时，微波接收机必须与输入的射频脉冲保持同步，使接收机的响应最大，以减少误差、获得最好的测量精确度。
In order to reduce errors and obtain highest measurement precision, microwave receiver must be synchronized with input RF pulse to maximize receiver response.
NJ1006是一个高集成度的单片GPS接收机射频前端集成电路，本文介绍了该芯片的作用、基本参数和它应用于GPS接收机射频前端的电路。
The NJ1006 is a higher integration level and single chip RF front-end circuit for GPS receivers. This paper has introduced its function, basic parameters and GPS Receiver RF Front circuit.
课题来源于本学院“宽带短波接收机”项目，笔者负责其中接收机射频前端部分的研制。
The subjects come from the Institute of "broadband shortwave receiver", the author of which is responsible for part of the receiver RF front-end development.
通过对这一接收机射频前端的研究与设计，使读者对接收机射频前端的设计理论和方法有一个比较全面而清楚的理解。
Readers will have general and explicit comprehension about the design theories and measures of RF front-end of receiver through the study and design of this thesis.
介绍了一种米波段直接射频采样数字接收机，并通过一个数字接收机的实例说明它的具体设计和实现方式。
Metre wave band direct RF sampling digital receiver is introduced in this paper. Main design and implement method is explained by an example of digital receiver.
另外，他还参与数字电缆和卫星电视接收机的射频部分研发并领导电缆电视上行信道工程。
In addition, he was also engaged in the RF front-end development of cable and satellite for digital TV and led the project return channel for cable.
此外还对所设计出的接收机射频前端进行了整机测试，以检验接收机射频前端性能是否满足设计所需。
Furthermore, we carried out system testing in order to examine its performance, found out that the system satisfies design targets.
此外还对所设计出的接收机射频前端进行了整机测试，以检验接收机射频前端性能是否满足设计所需。
Furthermore, we carried out system testing in order to examine its performance, found out that the system satisfies design targets.
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