调制的

Molecular iodine has rich strong absorption lines near 532 nm that can provide the absolute references for frequency stabilization. A monolith solid laser was tuned at the spectrum of transition R (56) 32-0 of iodine molecule with new modulation frequency 375 kHz.

使用532 nm单块固体激光器，在375 kHz新的调制频率下，利用调制转移技术，将激光频率调谐到127I2的R(56)32-0跃迁的吸收谱线，并观察到该吸收谱线相应的15条超精细结构分量。

In this paper, the change of back electromotive force current with the different PWM modes are analyzed in detail on the base of BLDCM model. According to theory and experiment ,ON-PWM type restrains the peak value of back electromotive force current and brings the lest effect to the motor control system.

基于无刷直流电动机的数学模型，分析比较了不同PWM调制方式下反电势电流的变化规律，并通过理论推导和仿真实验证明了当电机系统采用ON-PWM调制方式时，能有效地抑制反电势电流的峰值且对电机控制系统造成的影响最小。

Actually ,signals are processed from low frequency domain to high one by modulation firstly and alternating current amplification secondly.It can also improve anti-interference抗干扰 ability of circuit and signal to noise ratio of signals.

实际中往往采用更有效的先调制而后交流放大，将信号从低频区推移到高频区，也可以提高电路的抗干扰能力和信实际中往往采用更有效的先调制而后交流放大，将信号从低频区推移到高频区，号的信噪比。

Modulation and demodulation, which is one of the most key techniques in communication, has been always an important aspect.

一个系统的通信质量，很大程度上依赖于所采用的调制方式。因此，对调制方式的研究，将直接决定通信系统质量的好坏[1，2]。

Based studies were done on radiation spectrum, voltage to current character and modulation property of white LEDs when they are used as optical transmitters. Then the configuration and systematic design techniques are concentrated concerning white LED lighting source communication with numerical analyses and computer simulations done as well as high speed modulation techniques, visible light receiver design and means to alleviate inter symbol interference along with background noise problem.

在对白光LED用作通信光源时的光谱特性、伏安特性、调制特性等物理特性做深入分析的基础上，重点研究了白光LED照明光源通信系统的组成结构和系统设计，进行了数学计算分析模拟，并设计出了白光LED高速调制电路和可见光接收电路，并就如何削弱码间串扰和背景光噪声对通信系统的影响进行了讨论分析。

A dash of Maraschino makes the perfect daiquiri, as confirmed by daiquiri-making legend Constantino Ribalaigua of La Floridita in Cuba, reputed to have made over a million of those drinks in his lifetime .

古巴调制黛克瑞的传奇人物Constantino Ribalaigua ，在他的有生之年，调制出了超过1万杯的饮品，经他证实，少量野樱桃利口酒就能调出一杯完美的黛克瑞。

Laser polarization state corresponds to modulation phase generated by LCM is controlled by the peak-to-peak voltage value of 1K rectangular wave outputs by the control circuit of the PLAE.

输出激光的偏振态，能一一对应于液晶调制器产生的调制相位差，受到治疗仪控制器电路输出的1K方波的峰峰值电压控制。

A transmission machine with closed-loop modulating and compensating mechanism provided by an embodiment of the invention is able to regulate a loop frequency band of a non-integral trigonometric integral modulating phase lock loop transmission machine, and further satisfy the need on practical operation.

实施本发明提供的具有闭环路调制补偿机制并以锁相环作基础的传输机，能够校正非整数三角积分调制锁相环传输机的回路频宽，进一步满足实作上的需求。

By comparing the ternary and the binary encoded delta-modulation system we can find that the quantizing noise of ternary encoded delta-modulation system is lower and the lower power dissipation is its another virtue.

本文通过二值增量调制系统的分析，提出了三值增量调制系统的实现方法，并通过和二值系统的比较，得出量化噪声小，功耗低的优点。

Pulse Width Modulation technique is one of the most important contents in the digital current control. Two PWM algorithms–Asymmetric Regular Sampling PWM and Space Vector PWM, is described. in detail, and then a fast algorithm of Space Vector PWM is got by combining the advantages of the two algorithm.

脉宽调制技术是数字电流控制中的核心内容，文中详细分析了非对称式规则采样法和空间矢量法两种PWM调制方法的原理和计算方法，在对这两种方法比较的基础上，介绍了一种空间矢量PWM的快速算法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。