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- amplitude modulated sinusoid 调幅正弦曲线
- Crystal radios are devised for the reception of amplitude modulated AM signals. 晶体收音机是用来接收调幅信号的。
- In communications, the amplitude variations of an amplitude modulated carrier wave. 在通信技术中，调幅载波的幅度变化图。
- What is Pulse Amplitude Modulation? 什么是脉冲调幅?
- Quadrature amplitude modulation. 正交幅度调变。
- The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. 调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
- The paper is dedicated to study the influence of the additive Gaussian White Noise on the Spectral Correlation Density (SCD) analysis of Amplitude Modulated (AM) signals. 重点研究了加性高斯白噪声对调幅信号谱相关密度分析结果的影响。
- The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R.F. frequency. 调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
- I retrofitted our ommunications to an amplitude modulation. 我把我们通讯改为调幅模式。
- In order to mimic analog halftoning techniques, clustered-dot ordered dithering or Amplitude Modulated (AM) halftoning produces this illusion by varying the size of printed dots according to the gray level of an original continuous image. 传统的调幅加网(又称聚集点有序抖动加网)通过改变网点的大小来表现灰度级,对于低分辨率的打印机而言,其设备输出分辨率与再现图像层次的矛盾尤为突出。
- Theoretical deduction proves that under the condition of all digital receiver, the ideal FM demodulated signal is equivalent to a signal with amplitude modulated by the frequency deviation. 理论推导证明，在全数字接收机条件下，载波频偏对于理想FM解调拾出信号的影响相当于对其进行了幅度调制。
- 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. 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。
- Active jamming of aninfrared seeker with amplitude modulation reticle[J]. 引用该论文 王滨;李彤;吕百达;钟鸣.
- Signals are modulated through amplitude modulator and phase modulator respectively then reconstruct at the PA stage. 两个信号再经由震幅调变器和相位调变器分别做调变，最后在放大器端重新将信号重建回来。
- The paper put forward to adopt the method that the signals were preamplified and modulated by amplitude modulation, then demodulated by AM in-phase demodulation using PLL. 本文提出采用先经前置放大、调幅调制，然后再利用锁相环构成的调幅波同步检波电路解调得到有用信号的方法解决该问题。
- In communications, an amplitude modulated signal in which the amplitude of the carrier is reduced to zero for some part of the cycle of the modulating waveform. 通信技术中的一种调幅信号，其载波的振幅在调制波形周期的某些部分减少到零。
- If the frequency of a laser is modulated sinusoidally, the first harmonic component of saturated absorption signal can be used as error signal to stabilize the frequency of the laser. 对激光器进行频率调制, 检测原子分子饱和吸收信号中的一次谐波成分得到频率误差信号, 反馈控制可以实现激光频率的稳定。
- This system of modifying the carrier waves is called "Amplitude Modulation," or "AM". 这个改变载波的系统称为“振幅调制”或缩写为“AM”。
- A synchronously pumped mode-locked yetterbium-doped fiber laser (YDFL) is obtained when the pump semiconductor laser current is modulated sinusoidally at the appropriate frequency. 通过对抽运光源半导体激光器的驱动电流进行正弦调制,实现了掺镱光纤激光器(YDFL)的同步抽运锁模。
- Data is modulated onto the carrier by various methods, such as amplitude modulation (AM), frequency modulatikon (FM), etc. 数据调制，有各种方法，例如振幅调制（调幅）和频率调制（调频）。
