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- This paper clarifies the theory of I/Q modulation, elaborates EVM and ACPL, and analyzes the effect of amplitude and phase imbalance and DC offset on EVM. 在阐述I/Q正交调制基本原理的基础上,通过对误差矢量和邻近信道功率泄漏的详细分析,定性、定量地讨论了各种非理想电路因素(如相位不平衡、幅度不平衡、直流偏差等)对调制器性能的影响。
- three phase imbalance inducing machine 三相不平衡感应电机
- The former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals. 离线校正的方法是现阶段单脉冲雷达系统进行和差通道幅相校正采用的主要方法,它通过注入测试信号的方法来得到对误差接收通道幅相特性的估计。
- A new method of correcting amplitude and phase imbalance for multiple frenquency CW radar 一种校正多频连续波雷达幅相不平衡的新方法
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- They have decided to phase in the new techniques. 他们已决定逐步引入新技术。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。
- phase imbalance 相位不平衡
- amplitude and phase imbalance 幅相不平衡
- A phase or an aspect of a logically developing process. 契机一个按逻辑发展过程的阶段或方面
- impedance three phase imbalance 三相阻抗失衡
- British Leyland has announced plans to phase out some of its cars next year. 英国雷兰德汽车公司已宣布他们明年将逐步淘汰某些型号的汽车的计划。
- The army plans to phase out the equipment as it becomes obsolete. 军队计划淘汰这些设备,因为它们已经报废了。
- The disease was discovered in an early phase. 病在早期已被发现。
- These two sinusoids are nearly out of phase. 这两个正弦波几乎是反相的。
- What phase of mathematics are you studying now? 你在学习哪一方面的数学?
- Fumigants are pesticides acting in gaseous phase. 熏蒸剂是以气体形式作用的农药。
- The windshield wipers were out of phase. 挡风玻璃上的刮水器动作不协调。
- We have entered upon a new phase in history. 我们已开始了历史的新纪元。