调幅广播可以发送更远的距离，但它的声音质量却不及后来一种被称为频率调制的无线电信号处理方式优越。
AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.
调幅：调制的一种形式。
本文讨论了调幅系数为任意值的调幅波，给出了它的表达式、频谱及调幅系数、调制效率和信噪比增益的计算公式。
The amplitude modulated wave with any modulation factor is discussed in this paper. Its expression, spectrum and formula of the modulation factor, modulation efficiency, SNR gain are given.
实现信号的调制解调功能，包括各类调制如ask(调幅)，PSK(调相)，FSK(调频)。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).
言语若采用经调制后的方波或调幅波传递，将会获得满意的可懂度。
With square wave or amplitude modulating wave transmission, the speech communication will have satisfactory intelligibility.
相位调制，调相：一种电子调幅，为了传递包含在信号中的信息，而使载波的相位改变。
A type of electronic modulation in which the phase of a carrier wave is varied in order to transmit the information contained in the signal.
受激布里渊散射（SBS）的抑制性能是光纤调幅有线电视外调制发射机的关键指标之一。
The performance of Stimulated Brillouin Scattering (SBS) suppression is one of the key parameters in optical fiber AM CATV (amplitude modulated cable television) externally modulated transmitters.
讨论具有大惯量飞轮负载的直流无刷、定于无铁芯电机，在脉宽调制调幅有源控制的基础上，完成再生能耗制动控制以及低速下转换到有源制动控制的主要技术问题。
The braking mode control of reviving power-consumption of large momentum fly-wheel motor is discussed on the basis of pulse-modulated amplitude-modulation in this paper.
通信仿真平台的任务是对调幅、调频、单边带、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等七种通信信号的调制和解调进行建模和计算。
The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
振幅调制分为4种方式：AM(普通调幅)、DSB(抑制载波双边带调幅)、SSB(单边带调幅)、VSB(残留边带调幅)。
Amplitude modulation is divided into 4 ways: am (amplitude), DSB (bilateral with carrier suppression modulation), SSB (single sideband modulation), VSB (VSB).
该调幅振动的载波为滚动轴承的某一高频固有振动，而调制波为与缺陷或损伤有关的通过振动。
Its carrier wave is a kind of the bearing's inherent vibration with high frequency, and its modulating wave is a pass vibration corresponding to the local defect.
该调幅振动的载波为滚动轴承的某一高频固有振动，而调制波为与缺陷或损伤有关的通过振动。
Its carrier wave is a kind of the bearing's inherent vibration with high frequency, and its modulating wave is a pass vibration corresponding to the local defect.
应用推荐