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- phase amplitude modulation 相位幅度调制
- What is Pulse Amplitude Modulation? 什么是脉冲调幅?
- Quadrature amplitude modulation. 正交幅度调变。
- The coupling of noise to signals is simulated by addition, multiplication, convolution, amplitude modulation, or phase modulation etc. 并以相加、相乘、迴旋积、强度调变、或相位调变等方式，模拟杂讯与讯号之结合。
- The effect of the power supply brings to phase modulation and amplitude modulation of the output signal in TWTA is discussed emphatically. 简要分析影响TWTA频谱特征的因素,着重探讨了TWT的供电电源对TWTA输出信号的调幅、调相作用,并就工作在连续波以及脉冲发射状态下的TWTA的频谱特征进行了初略的估计。
- I retrofitted our ommunications to an amplitude modulation. 我把我们通讯改为调幅模式。
- Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM). 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）。
- Active jamming of aninfrared seeker with amplitude modulation reticle[J]. 引用该论文 王滨;李彤;吕百达;钟鸣.
- The phase noise impacts significantly the performance of high-order QAM (Quadrature Amplitude Modulation) demodulator, of which the carrier recovery loop proves to be the bottleneck. 摘要相位噪声对高阶QAM解调器的性能有很大影响，而载波恢复环路与相位噪声密切相关。
- The problem of resistance matrix diagonalization, which is hardly solved in phase amplitude transformation, has been avoided. 它不需要进行相模变换，避免了相模变换法难以将电阻矩阵对角化的问题。
- The phase noise impacts significantly the performance of high-order QAM(Quadrature Amplitude Modulation) demodulator,of which the carrier recovery loop proves to be the bottleneck. 相位噪声对高阶QAM解调器的性能有很大影响,而载波恢复环路与相位噪声密切相关。
- 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 method to measure the amplitude modulation (AM) signal with the DPSD algorithm realized by an A/D converter and a computer is presented. 本文提出了一种应用A/D转换器和计算机实现DPSD算法来测量调幅信号的方法。
- A high-performance DVB-C Quadrature Amplitude Modulation（QAM） demodulator has been presented. 摘要 提出了一种适用于DVB-C标准的高性能QAM解调器。
- Single sideband amplitude modulation is the major model of the military software radio. 单边带调制是军用软件无线电中的主要调制方式之一。
- 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。
- Amplitude modulation switch formed byour flux KTP has the contrast ratio of 150:1 and insert loss is 2.5% at 1064 nm. 制作的强度调制电光开关，消光比为150：1，对1064nm激光的插入损耗为2．5%25；
- The influences of the SPM with amplitude modulations and phase perturbations on the compressed pulse is simulated. 结果表明:啁啾光脉冲的振幅调制深度和相位扰动深度越大,则压缩后的光脉冲对比度越小;
- Units: megahertz (MHz) AM (amplitude modulation), 200 and up are for military use, but are staffed by the same civil controllers. 单位：兆赫，调幅，200以上为军用，亦为民航管制员执勤。
- The proposed UWT effectively extracted the friction fault features of amplitude modulation and transient impact from vibration signal of a gearbox. 采用这种非抽样小波变换从齿轮箱的振动信号中有效提取幅值调制和瞬态冲击的摩擦故障特征。
