调制器

Until now, no general principle is offered for a systematic search over the number and positions of aperiodic phase-reversal boundaries and no improvement is made in the phase frequency response of modulator.

直到现在，在调制器的纵向优化中，对非周期倒相电极的节数和位置的选取还没有一般性的准则，也没有对调制器的相频特性作任何改善。

Firstly, we describe the fundamental theory and types of the electrooptical modulators in detail, and make an introduction to the means used to analyze the modulators, especially, to the Schwartz-Christoffel conformal mapping technique.

本文首先详细的阐述了电光调制器的基本原理和类型，就研究调制器的方法作了介绍，特别是对本文采用的研究方法―施瓦兹保角变换的基本原理作了具体的分析。

A:It's the combination of modulator and demodulator.

调制解调器是由调制器和解调器组成。

By using the discomposed model of CPM modulation, sub-optimum CPM spreading code can be regarded as a recursive systematic inner encoder.

通过分解的CPM调制器模型，可以把次优化的CPM扩频码看作为一个递归码与无记忆调制器的级连。

This dissertation has studied various architectures of Sigma-Delta modulator systematically. According to power dissipation, stability and circuit implementation, a 2-2 cascade architecture is introduced. Oversampling ratio is 32. The attenuation factors of each integrator and interstage coefficients are obtained from behavioral simulation.

本论文系统地研究了∑A调制器的各种体系结构，根据功耗、稳定性以及电路实现等方面综合考虑，∑A调制器采用级联2—2结构，过采样比为32，并通过行为级仿真确定了积分器的增益衰减因子及级间耦合系数。

The effect on temperature measurement accuracy was analyzed by mechanical modulating disk in the real-time temperature measurement system using lasers InGaAs/I and pyroelectric detector LiYaO-3 based on Kirchhoff law.

分析了一种基于基尔霍夫定律的钽酸锂(LiTaO3)热释电探测器作为接收元件的实时测温系统中，机械式调制盘对测量精度影响，提出了改变机械式调制盘对测量精度的影响的方法；介绍了液晶调制器的结构、对辐射调制的原理以及在使用过程中的优点。

The effect on temperature measurement accuracy was analyzed by mechanical modulating disk in the real-time temperature measurement system using lasers InGaAs/I and pyroelectric detector LiYaO3 based on Kirchhoff law. A method of altering the influence of measurement accuracy was presented by mechanical modulating disk.

分析了一种基于基尔霍夫定律的钽酸锂(LiTaO3)热释电探测器作为接收元件的实时测温系统中，机械式调制盘对测量精度影响，提出了改变机械式调制盘对测量精度的影响的方法；介绍了液晶调制器的结构、对辐射调制的原理以及在使用过程中的优点。

This method also allow us to select the most efficient way from the bulk optical systems and available recoding methods, i.e., identifying the space bandwidth product of the input signal, the minimum size of lens apertures, the sample space and total sample number of CCD and spatial light modulator, the need of magnification before the signal passes through a SLM or when the signal reaches the camera.

通过该方法可以确定合适的加密系统和光学器件，例如输入信号的空间带宽积、变换透镜的最小孔径、空间光调制器的分辨率和像素大小、CCD的分辨率和像素大小以及入射到空间光调制器和CCD靶面上光场所需的放大倍数。

This paper introduces the composition of the DC amplifier using a magnetic modulator in order to improve the property of the modulator,a discussion is held about the relation of its sensitivity to its size and its signalwinding,thus establishing the condition for obtaining maximum sensitivity.

介绍了磁调制式直流放大器的构成，围绕提高磁调制器的性能进行了讨论，给出调制器的灵敏度与其结构尺寸及信号绕组匝数之间的关系，并确定了获得最高灵敏度应满足的条件。

A configuration which combines ILA DAC with fully floating switched capacitor is proposed for the second stage modulator of cascaded modulator to suppress the noise arisen from sampling capacitor mismatch.

本文提出了一种结合ILA DAC和前端完全浮动电容结构的电路形式，将这种结构应用在第二级调制器的积分器上，使双采样电容失配产生的噪声远小于量化噪声，从而满足了三阶调制器的性能要求。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。