By using multi-chip integrated circuit and image rejection mixer,a small 3-channel receiver front-end is designed.
采用多芯片混合集成电路和镜频抑制混频器技术,设计了一种小型化三通道高放混频接收前端。
The influence of the envelope of pulse radar signal on the intermediate frequency sampling is investigated,especially the influence of non ideal envelope on mirror frequency rejection is studied,and the main influences of mirror frequency and amplitude loss are pointed out.
本文研究了脉冲雷达信号包络对中频采样的影响 ,重点分析了非理想包络对镜频抑制的影响 ,主要是产生镜频、幅度损失 ;作为一种特例 ,详细研究了简单脉冲信号矩形包络边沿对镜频抑制的影响 ;分析了不同系统参数对镜频抑制的影响 ,以保证脉冲边沿特性 ,并尽可能减少镜频影响 。
Based on introducing the principle of interference in the image,a block diagram of image rejection mixer is given,which is not only an image rejection mixer in receiver but also a single sideband modulator in transmitter.
雷达和通信接收系统中,采用镜频抑制混频器能够有效抑制镜像频率,提高系统的抗干扰能力。
Design of a micro-strip hairpin filter with image-reject function
一种含镜频抑制作用的微带发卡滤波器的设计
image interference ratio
镜频抗拒比;镜频抗拒比;镜频抑制比;镜频抑制比
Design of a micro-strip hairpin filter with image-reject function
一种含镜频抑制作用的微带发卡滤波器的设计
As a special case,the effect of rectangular envelope edge of pulse signal on intermediate frequency sampling is carefully studied.
作为一种特例 ,详细研究了简单脉冲信号矩形包络边沿对镜频抑制的影响 ;
The Effect and Application of Passive Devices on Image Reject in Downconversion Mixer;
无源器件对混频器镜像抑制影响的研究与应用
image reject mixer
象频干扰抑制混频器
image-rejection receiver
镜像干扰抑制接收机
image frequency
像频;镜频;镜频;镜像频率;镜像频率;帧频
RFI suppression capacitor
抑制射频干扰电容器
Study of suppressing RF interference by range processing in the coast-ship HF surface wave SIAR
高频地波SIAR射频干扰距离域抑制方法
The Study of Damping of Power System Low Frequency Oscillations by Unified Power Flow Controller;
统一潮流控制器抑制低频振荡的研究
Pilot Design for Co-channel Interference Suppression in Mobile WiMAX System
移动WiMAX系统同频干扰抑制导频优化设计方法
Co-channel Interference and its Restraining Measures in Co-frequency Simulcast Systems
同频同播系统中同频干扰及其抑制对策
Clutter Cancellation and High Resolution Processing in HPRF Stepped-frequency Radar
高重频频率步进雷达的杂波抑制和高分辨处理
Clinical observation of argon plasma coagulation or radio frequency combining acid suppression in endoscopic treatment of Barrett esophagus
内镜下氩离子凝固术、射频联合抑酸治疗Barrett食管上皮的临床观察
demand pacemaker
可调频率心室抑制起搏器
Study on Suppression Technologies of Radiation Disturbance of High Frequency Hot-sealing Machine;
高频热合机辐射骚扰抑制技术的研究
CATV Serambling and Deserambling Technology by Compressing the Synchronous Tips of RF Signal;
有线电视射频行同步抑制加解扰技术
The Study of Interaction and Coordination between PSS and TCSC in Damping Osciliations;
PSS和TCSC抑制低频振荡交互及协调研究
