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。
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。
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
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。
In the amplitude modulation,in accordance with the strength of signals in the spectrum of different components,it is divided into ordinary AM(amplitude modulation standard AM),with inhibition of bilateral carrier AM(DSB),the carrier single sideband supp.
在幅度调制中,根据已调信号的频谱分量不同,分为普通调幅(标准调幅AM)、抑制载波的双边带调幅(DSB)、抑制载波的单边带调幅(SSB)。
The spinodal decomposition in hot-dipped aluminum steel and the wavelengths of spinodal decomposition at initial stages;
钢表面热浸渗铝层组织中的调幅分解及初期波长
Spinodal Decomposition Structures in Diffusion Layer of Aluminized Steel and Its Formation Mechanism;
渗铝钢中的调幅分解及其形成原因
The features of spinodal decomposition beside the interface in 321/Qd370qD explosive welded plate;
321/Qd370qD爆炸焊接调幅分解特征
Spinodal transformation is obviously occurred during the aging in master alloy.
在6009铝合金中,球形Mg2Si是主要强化相,熔配加钛合金时效过程调幅分解明显。
Spinodal transformation is obviously occurred during the aging in electrolytic low-Ti Al-alloy.
在6009铝合金中,球形Mg2Si是主要强化相,电解加钛铝合金时效过程调幅分解明显。
By observing the as-cast microstruc ture of ZA27 alloy by TEM,the spinodal transformation is occurred in the center of d.
利用投射电镜对合金铸态组织的微观结构进行了研究,发现在枝晶心部存在着调幅分解产物———"类织物",并说明了类织物的生成过程。
A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
提出了一种利用钻柱轴向振动调幅信号实现岩性识别的方法。