查询词典 modulation

Based on the characters of long rang underwater acoustic channels and MFSK modulation, a new Frequency Group Coding method is proposed in this paper.

本文针对远程水下信道和MFSK调制的特点，提出了一种新的频率分组编码方法。

FSK modulation and demodulation of VHDL source code and simulation of the guide is the word document open.

FSK调制与解调的vhdl源代码与仿真指导，是word文档打开。

Following the expressed concepts, Giotto helps the designer to create traditional guilloches or rosettes, borders, frames, backgrounds, relief effect, latent images, void or anti-photocopy patterns, cut and paste possibilities to resemble the old style guilloche borders, as well as offering the implementation and tools for new evolved elements introducing dynamic changes and line width modulation or a combination of both, which make each design unique.

在被表达的观念之后， Giotto 帮助设计者产生传统的 guilloches 或蔷薇结，边缘，体格，背景，减轻效果，潜伏性的图像，空的或反影印式样，削减和浆糊可能性相似旧的风格扭索状装饰边缘，连同提供落实和工具为介绍动态的变化和线宽度调音或一个两者的组合新进展元素，这使每设计独特。

Focusing on the problem that existing Space-Time Frequency-Shift Keying incurs a spectral efficiency loss, this paper proposes a novel ST-FSK based on Hadamard matrix modulation coined as HST-FSK.

摘要针对现有的空时频移键控频谱利用率低的缺陷，该文提出了一种基于Hadamard矩阵调制的空时频移键控方案。

With a 0.9 gain and an extraordinarily wide half angle of 70 degrees, this screen fabric offers excellent depth of modulation for even the most demanding high definition projection devices.

与0.9增益和一个非常广泛的一半角70度，此画面结构提供了很好的深度调制，即使最苛刻的高清晰度投影设备。

Usually, two-dimensional phase spectrogram can be expressed only as a plane picture with grayness-modulation, even as a half tone picture.

通常，二维的相位谱只能表示为灰度调制的平面图象甚至黑白半调图象。

It's about the analysis of technique of harmony of the work. It mainly discusses the technique of harmony of twenty-four preludes. It includes the analysis of chord form, terminal chord, half-step chord, sustained note and modulation method.

最和声技法的分析是本文的主体部分，针对二十四首前奏曲的和声技法展开论述，以和弦形态、终止式、半音化的和声语言、持续音的偏爱和转调手法五大部分为出发点，力求多角度、全方位地对音乐作品进行分析和研究。

In order to reduce the mental pressure and stay mental healthy, teachers should carry out self- modulation; on the other hand, organ and department should bear re sponsibility for teachers.

要应对心理压力，一方面教师要进行自我调适；另一方面有关部门有责任和义务帮助教师更好地适应改革，促进教师的心理健康。

The fast Hankel transformation algorithm is used to study the diffractive modulation property of laser beam propagation in high power laser facility.

文摘：利用快速汉克尔变换算法研究了高功率激光在自由空间传输过程中形成低频调制的规律，给出了衍射调制深度与光束宽度及传输距离等参数之间的变化关系。

By utilizing the cross gain modulation effect and the period 1 oscillation harmonic frequency locked in an optically injected semiconductor laser , we can extract the wavelength conversional individual channel optical clock from the optical time division multiplexing OTDM signal .

光注入半导体激光器会产生非线性单周期振荡特性，利用交叉增益调制效应及对单周期振荡的微波锁频效应，可从光时分复用信号中提取出波长转换的分路光时钟。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。