查询词典 modulation

NTSC uses a quadrature amplitude modulation with a suppressed color carrier and works with amotion frequency of approximately 30 Hz. A picture consists of 525 lines.

NTSC的色彩载波使用接近4.9MHz或3.57MHz的频率，它使用颜色载波进行正交调幅，画面运动频率约为30Hz，每幅画面有525线。

Mode of amplitude modulation of one channel by another.

模式振幅调制的一个渠道是由另一。

The method of multiple scales is used to determine the equations of modulation of amplitude and phase .

对该系统的研究分为两个部分：首先在第二章集中讨论了相应的确定性系统，即v=0时的情况。

This paper analyses the frequency characteristics of the gear meshing and the signals due to amplitude and frequency modulation.

本文分析了齿轮传动的频率特性和它所产生的频率和幅值调制信号。

Amplitude modulation dot is one of the most widely used by a dot.

调幅网点是目前使用的最为广泛的一种网点。

The present invention relates to a Quadrature Amplitude Modulation method used in the mobile communication system.

本发明涉及一种用于数字移动通信系统的正交振幅调制方法。

The 2×2 Jones matrix methods is used to analyze amplitude modulation characteristics.

采用2×2的琼斯矩阵计算仿真，从理论上分析了它的振幅调制特性。

In this dissertation, the multilevel differential amplitude and phase shift keying modulation in OFDM system is investigated.

论文首先介绍了日本CRL开发的毫米波宽带无线接入OFDM实验系统，作为后续研究的基础。

This paper describes the use of MATLAB Quadrature Amplitude modulation and demodulation of the simulation analysis, The simulation results show that the method is correct and feasible.

本文介绍了利用MATLAB进行正交振幅调制与解调的仿真分析，仿真结果验证了该方法的正确性和可行性。

This paper describes the use of MATLAB Quadrature Amplitude modulation and demodulation of the simulation analysis, The sim...

本文介绍了利用MATLAB进行正交振幅调制与解调的仿真分析，仿真结果验证了该方法的正确性和可行性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。