1) amplitude modulation
调幅
1.
The inductosyn's output signal is an amplitude modulation signal and its amplitude is small.
感应同步器输出的感应信号是调幅信号且幅度很低,为采用幅度细分技术,需对其输出的感应信号无失真的放大。
2.
Based on the nonlinear characteristic of sound filed response of reproducing difference frequency wave,study on the influence of amplitude modulation and the preprocessing of sound signal on acoustic distortion and power consumption.
基于再现差频波声场响应非线性的特点,系统研究了调幅方式、声信号预处理等方面对再现差频波声场响应和功率消耗的影响,分析得到了波形、带宽、调幅系数、频率对失真度之间的关系。
2) AM
[英][,eɪ 'em] [美]['e 'ɛm]
调幅
1.
Dynamic ISAR Imaging of Maneuvering Target Based on Multicomponent AM-LFM Signal Parameter Estimation;
基于调幅-线性调频信号参数估计的机动目标成像方法
2.
The Design of AM Stereo Broadcast System Based on Phase-Inversion Symmetry Method
基于反相对称法的调幅立体声广播系统设计
3.
After sampling by the sound card,the AM signal is demodulated in the digital domain and the pulse signal is recovered.
利用线性调幅的方法,可以将脉搏信号的频谱移动到声卡所能采集的范围内,通过声卡采集后,在数字域中进行调幅信号的解调,从而恢复脉搏信号;同时还讨论了普通调幅波的一种实现方法及数字调幅波的解调原理。
3) frequency and amplitude modulation
调频调幅
1.
A frequency and amplitude modulation(FM/AM) pulse generator with large amplitude and narrow width was introduced,by using it,the effect of electro-plasticity induced by current pulse could be applied to metal wire drawing.
介绍了一种将电流脉冲的电塑性效应应用于金属拔丝的调频调幅大电流窄脉冲电源系统。
4) phase_amplitude modulation
调相调幅
补充资料：调幅
载波振幅按调制信号振幅而变化的调制方式。载波经调幅后成为调幅波。调幅波的最大与最小振幅之差的一半与其和的一半之百分比称为“调幅度”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条