文中探讨几种载波泄漏抑制技术,简述其工作原理,并提供实例。
In this paper, we discuss some carrier-leakage suppression techniques, theories and present some design examples.
然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏,从而达到应用的目的。
Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.
偶次分谐波混频可有效地抑制载波泄漏、二次混频失真及本振噪声,是提高调制器精确度及直接解调器动态范围的有效技术。
In this paper, we discuss even subharmonic mixing technique which can suppress carrier leakage in microwave direct modulator, or suppress IM2…
由于发射器的载波泄漏会对线性度造成影响,论文提出了使用7位电流型DAC来校正上调制器的输出直流失调来提高载波抑制。
To prevent the carrier leakage caused by DC-offset, the 7-bits DAC is inserted to cancel this dc-offset.
其思路是将信号先通过单边带调制,将较低频率调制到需要的频率范围;然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏,从而达到应用的目的。
Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.
主要分析和研究了该干涉仪的泄漏检测原理、泄漏源定位方法以及载波对传感器性能的影响。
The measuring principle and the leaking source location method for the detection system are analyzed, and the influence of the carrier on the performance of the system is researched.
主要分析和研究了该干涉仪的泄漏检测原理、泄漏源定位方法以及载波对传感器性能的影响。
The measuring principle and the leaking source location method for the detection system are analyzed, and the influence of the carrier on the performance of the system is researched.
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