The paper analyses the problem of sideband suppression and LO leakage about Direct Quadrature Up-Conversion(DQUC).
分析直接正交调制技术的边带抑制和本振泄漏问题,基于正交调制上变频原理,采用AD8346芯片,给出一种L波段直接正交变频发射机的设计方案。
Based on a simple quadrature modulator model,this paper proposed a novel measurement and compensation method for I/Q imbalance,and analyzed the mathematical relationship between I/Q imbalance and the sideband suppression.
正交调制器的幅度不平衡和相位正交误差(I/Q不平衡)是许多系统设计中不可避免要遇到的难点,本文基于简单的正交调制器模型,提出了测试幅度不平衡和相位正交误差参数以及补偿I/Q不平衡的方法,并从数学上严格推导了I/Q不平衡与边带抑制的关系。
double-sideband suppressed carrier modulator
双边带抑制载波调制器
single sideband suppressed carrier system
单边带抑制载波系统
Emulation Analyses of Copy Really to Both Webbing Restrain Carrier Modem by Using MATLAB
用MATLAB对双边带抑制载波调制解调器的仿真分析
The discussion is focused on the effect of polarization crosstalk in Ti: LiNbO3 device, and some technical methods to decrease this effect are suggested.
重点讨论了调制器的偏振串扰对边带抑制影响的特点，提出了减小这类误差应采取的技术措施。
In this paper, sideband suppression limitation due to Ti: LiNbO3 modulator and its drive circuit is analysed and simulated.
就钛内扩散铌酸锂相位调制器及其驱动电路不理想而导致的边带抑制进行了理论分析和仿真研究。
double-sideband suppressed-carrier modulation
抑制载波的双边带调制
carrier-suppressed SSB modulation
载波抑制单边带调制
carrier suppressed DSB communication
抑制载波双边带通信
Computers, Power supply, EMI/ RFI Suppression and Wideband choke coils.
电脑、源、MI/FI回波抑制和宽带杂波抑制电感线圈。
3～10 GHz UWB LNA with notch characteristics to suppress in-band interference
具有抑制窄带干扰带阻特性的3～10GHz超宽带LNA
A Bi-directional Radio-over-Fiber System Based on Double-sideband with Optical Carrier Suppression
抑光载波双边带Radio over Fiber双工通信系统设计
Study on restraint of the edge water's incursion of the small fault-block heavy oil reservoirs
小断块边水稠油油藏抑制边水侵入对策研究
A coarse, large-patterned lace without a net ground.
凸边花边，网带没有地网的、粗制的、大花的花边
Approaches for the end effect restraint of empirical mode decomposition algorithm
经验模态分解边缘效应抑制方法综述
Design of a compact narrow band-pass filter with harmonics suppression
一种具有谐波抑制特性的窄带带通滤波器设计
Study on Supression Methods of Spurious Band of Microwave Filters;
微波滤波器寄生通带的抑制方法研究
Design of A Circularly Polarized Microstrip Antenna with Harmonic Suppression
一种谐波抑制圆极化微带天线的设计
SRRs Insulator Suppressing Patch Antenna Array Mutual Coupling
SRRs隔离板抑制微带阵列天线间互耦