This method provides the reference for testing and debugging IF receiver,and ends the condition that only performance determination and simple checking can be executed in TT&C modulation.
该方法对检验中频接收机的工作性能及调试有着指导意义,结束了遥测解调性能只能定性、粗略检查的现状,为主战设备选取提供了理论依据。
This paper analyzes the design difficulties of the digital IF receiver of the active/passive digital homing radar at first.
文中首先分析了主被动导引头数字中频接收机的设计难点,提出了一种主被动导引头数字中频接收机的设计方案,详细介绍了其功能结构,最后分别论述了主被动导引头数字中频接收机的硬件设计和软件设计。
It can be used in the digital IF receiver with large dynamic range and the wireless Modems, etc.
AD8369是AD公司生产的一种大动态变化范围的新型可变增益数控VGA,可用于大动态数字中频接收机、无线调制解调器等系统中。
This paper introduces the theory and design method of digital intermediate frequency receiver,and based on high speed DSP and FPGA establish hardware process platform.
介绍了一种数字中频接收机的原理与设计方法,并以高性能DSP、高速FPGA为基础,搭建硬件处理平台。
This article mainly studies the theory and design methods of the Digital Intermediate Frequency receiver in CDMA2000 system.
本文主要研究了CDMA2000系统数字中频接收机的原理，设计方法。
Application of digital down converter HSP50214B in IF digital receiver
数字下变频器HSP50214B在中频数字接收机中的应用
In this paper,the application and design of the two kinds of filters in IF digital receiver based on the technology of software radio are discussed,including the mathematical principle,function analysis and settings.
介绍积分梳状滤波器(CASCADEDINTEGRATOR-COMB,CIC)和半带滤波器(HALF-BAND,HB)在一种基于软件无线电技术的中频数字接收机中的设计与应用,包括数学原理、性能分析及设置等。
Its main character,internal structures and operation theory are introduced,and an exam-ple of its application in wide-band IF digital receivers is given.
介绍MAX12557的主要特点、内部结构及工作原理,给出其在宽带中频数字接收机中的应用。
The Zero-IF receiver includes differential-end low noise amplifiers(LNA) and doubled-balanced mixers,which LO input is come from VCO.
4GHz的射频前端零中频接收机。
In this paper, based on research and analysis in zero-IF receiver architecture principles and characteristics, the circuit adopts the avtive RC topology to achieve low-pass filtering, the third-order Butterworth channel selection filter prototype is realized through the leap-frog method.
本论文在研究分析零中频接收机系统结构原理与特点的基础上,选择了有源RC滤波器来实现基频电路的低通滤波功能,并采用跳蛙结构来实现三阶巴特沃斯通道选择滤波器;作为系统直流偏置源,设计了具有相对于温度和电源电压稳定的带隙基准;为了消除温度和工艺等外界因素的影响,采用了电容阵列以调节滤波器的截止频率以及频响曲线;为了使基频电路的输出信号能够适合于其下一级模数转换器的动态范围,在电路中加入可调增益放大器,实现了增益可变功能;为了消除零中频接收机中的直流偏移电压以防止主通路中运算放大器饱和,电路采用了伺服回路架构的设计;芯片设计采用了TSMC 0。
Based on the requirements to digital IF receiver on their gain tuning range, step width and accuracy, frequency range as well as response speed of AGC circuits, the paper analyses the drawbacks of three kinds of typical variable gain amplifiers for the AGC system, and designs a digital AGC system, using a new digital VGA IC —— the AD8369 produced by ADI Inc.
根据数字中频接收机对自动增益控制(AGC)电路的增益调节范围、调节步长及精度、工作频率范围和响应速度等要求,分析了AGC系统中3种典型可变增益放大器存在的不足,并利用新推出的数字可变增益放大器(DVGA)芯片AD8369设计了数字AGC系统,并给出了基于FPGA的数字AGC控制电路的算法。
In digital IF receiver based on IF sampling technology,one important issue of system design is how to realize wide instantaneous dynamic range,when the available digits of AD converter is limited.
在基于中频采样技术的数字中频接收机中,怎样在AD变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。
This subject has completed the research and development of a digital IF receiver based on PCI bus, associating with the proj.
本课题结合项目要求,设计实现了一种基于PCI总线结构的数字中频接收机。
Noise Analysis of the Homodyne UHF RFID Receiver
超高频RFID零中频接收机噪声分析
Zero-IF receiver and suppression methods for DC-offset;
零中频接收机及其直流偏移抑制方法
Design of UHF RFID high intermediate frequency receiver
UHF RFID高中频接收机的研究
Researth and Implementation of a VHF Radar Digital IF Receiver
VHF雷达数字中频接收机研究与实现
Design of Digital Intermediate Frequency Receiver Using Radar Signals
基于多种雷达信号的中频接收机设计
Design of Analog Baseband Circuit for GSM Zero-IF Receiver
应用于GSM零中频接收机的基频电路设计
Low-IF receiver using frequency adjustation and phase cancellation
频域校准相位抵消法的低中频接收机设计
2.4GHz CMOS Zero-IF Receiver;
2.4GHz CMOS零中频射频接收机
The Research of the Downconverter of the Intermediate Frequency(if) Digital Receiver;
中频数字化接收机中的下变频器研究
We have discovered that the signal freguency receivered driffes off and small in making up the receiver of882 F freguency modulation.
在882F调频接收机组装过程中发现,调频接收频率偏小。
Synchronization Technology and Implementation in IF Digital Receiver
中频数字接收机中的同步技术及实现
AD9240 and Its Application in Digital IF Receiver
AD9240及其在中频数字化接收机中的应用
Application of digital down converter HSP50214B in IF digital receiver
数字下变频器HSP50214B在中频数字接收机中的应用
Research on Digital IF Receiver of Satellite Navigation System by Using FPGA Devices;
基于FPGA的全数字中频导航接收机研究
Study on the High Dynamic and Whole Digital Intermediate Frequency Direct Sequence Spread Spectrum Receiver System;
高动态全数字中频解扩接收机的研制
Design and Realized of CMOS Mixer in the GPS Receiver
GPS接收机中CMOS混频器的设计与实现
Research on the IF interference in the front-end of CDMA receiver
CDMA接收机前端中频干扰问题的研究
A Test System with SMU200A for DSSS IF Receiver
基于SMU200A的中频直扩接收机测试方案