调制

A Study on Fraunhofer Double-Slit Diffraction by Applying Simulation Technology;2. Based on Kirchhoffs theory,the approximate intensity formulas of double-slit diffraction of Gaussian Beam is derived under paraxial approximation with power series expansion methods.

依据基尔霍夫衍射理论，利用幂级数展开的方法推导出旁轴条件下高斯光束双缝衍射的近似光强计算公式，并通过数值计算对双缝衍射的基本特性进行了讨论，得出了与其他文献一致的结论，得出了高斯光束下的双缝衍射极小值点比平行光束双缝衍射的极小值点向外移，观察屏中心光能变小；光强分布可由激光斑在衍射屏处的参数调制的结论。

An analog control, in accordance with corresponding changes in the load modulation transistor gate of the base or bias, to achieve the output transistor switching power supply or transistor turn-on time of change in this way can the power supply output voltage in the workplace Conditions of constant change.

一种模拟控制方式，根据相应载荷的变化来调制晶体管栅极或基极的偏置，来实现开关稳压电源输出晶体管或晶体管导通时间的改变，这种方式能使电源的输出电压在工作条件变化时保持恒定。

Corporation report: The discussion relative cost for the preparer and the advantage the disclosure financial statement user who increases to the information in the financial statement.

公司报告：调制机和好处的讨论相对费用增加到在财政决算的信息的透露财政决算用户。

It is well known that presynaptic inhibition plays an important role in the pain modulation, such a...

现已证明：它在针刺镇痛，电刺激镇痛和药物镇痛等痛觉调制过程中发挥重要作用。

Cola formulas -- results in battery materials that are like printer's ink.

配方'。''，它所调制出的电池内含物就像打印机的油墨一样。

Levanon says the company's proprietary chemical combination -- so secretive that he calls them the " Coca? Cola formulas"-- results in battery materials that are like printer's ink .

莱文农说公司专营的这种化学混合物是绝对保密的，他称之为"可口可乐配方"，它所调制出的电池内含物就像打印机的油墨一样。

Through proper adjustment to frequency modulation amplitude,the Kerr-effect-induced bias can be effectively reduced.

通过适当调节两光束的频率调制幅度，可有效地实现克尔效应误差的消除。

The model and the related conclusion provide the theoretical basis for the manufacturing technology of semiconductor microcavity laser,improvement of high frequency modulation proper ty and optimization of device constitution.

该模型及有关结论为半导体微腔激光器的工艺制作，改善的高频调制特性和优化器件结构提供了理论依据。

The study inchcates that the best error pulse width and the competition pulse width are proportional to the sampling period to us and the modulation degree of SPWM; the number of competition pulse are dependent on the slop of us.

均与模数转换的采样周期和调制深度成正比，与载波比成反比；竞争脉冲的个数由us的斜率决定。

The modulation depth is focused on the intensity change of the protuberant part of the PSD curves.

计算和分析结果表明PSD分析结果能够在频率域反应出元件表面受到的不同程度的调制信息。

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。。。。