查询词典 modulator-demodulator

The major function of nebulin is to act as a unique regulator of thin filament length, a vital modulator of actomyosin sliding, and a biomolecular sensor of signal transduction.

Nebulin主要功能为扮演细肌丝长度的独特性调节者，肌凝蛋白与肌动蛋白滑动之不可或缺的调控者，以及讯息传递的生物分子成应者。

The project will develop a bandpass sigma-delta analog-to-digital converter for digital audio broadcasting system in three years. In the first year, we had finished the system simulation for IF receiver using conventional high speed ADC and bandpass sigma-delta ADC, respectively. We also had done the analysis and design of high-order bandpass sigma-delta modulator structure. In this year, we have developed a coefficient synthesis method for high order bandpass sigma-delta modulator using high order filter transfer functions (inverse Chebyshev bandreject filter function).

本计划将在三年内发展一个能应用在数位音讯广播系统的带通sigma-delta类比/数位转换器(analog-to-digital converter，ADC)，在第一年度中我们分别以传统高速类比/数位转换器及带通SD类比/数位转换器的接收系统为例，并结合编码正交多工器(Coded Orthogonal Frequency Division Multiplex，COFDM)的技术，建立一套DAB系统模拟的方法，同时并研究有关高阶带通SD类比/数位调变器的架构及电路，并已成功开发出一个由高阶滤波器合成的高阶带通调变器。

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。

This thesis discusses the theory and design technique of the modulator. Several architectures of modulator and their characteristics are studied in it.

本文讨论了∑—Δ调制器的原理和设计方法，就不同结构的调制器进行了分析。

Results:The reversal effectiveness of the modulator combinations was 2-3 times as much as that of each modulator alone.Synergistic interaction between Quin and DPM or Tam was greater than that between Quin and CsA.Quin combined with CsA increased intracellular DNR accumulation significantly as compared with either of them alone.

结果：逆转倍数是单用药的2-3倍，达到或超过单用2倍剂量的逆转效果，逆转剂间有联合协同作用，其中Quin与DPM或Tam联合的协同作用大于Quin与CsA联合，可增加细胞内DNR浓度。

This method makes the best of the advantage of binary optics and liquid crystal-spatial light modulator. It can avoid the unhandy of binary optics and the low efficiency of liquid crystal-spatial light modulator according to the demand. It optimizes temperature uniformity system.

该方法主要是充分利用二元光学法和液晶空间光调制的各自优点，并按照设计系统的要求，最大程度避免二元光学法使用不灵活而液晶空间光调制激光能量利用率不高的缺点，实现温度分布均匀化系统优化。

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。

A microring and a phase modulator are coupled to each arm of a normal Mach-Zehnder modulator respectively in order to compensate its sublinear characteristics transfer.

将一个微环谐振器和一个相位调制器分别加载到马赫曾德尔调制器的两臂，可以补偿普通马赫曾德尔调制器的亚线性，得到线性度良好的响应特性。

The performance of the vector modulator is proved by experimental results. In addition, applications of the vector modulator in practical systems such as adaptive antenna array are presented, with its calibration method to improve carrier and sideband suppression.

最后给出了矢量调制器的测试结果和它在自适应天线阵等实际系统中的应用情况，并讨论了用于提高载波和边带抑制、满足高精度要求的校准方法。

In this paper, a tunable bandpass Σ modulator by one parameter only is adopted to optimize modulator performance.

在本论文中，可调式带通三角积分调变器使用一个变数来改变中心频率来使调变器的效能更加完美。

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。