查询词典 modulated

Along with the study of melanogenesls modulated mechanism continues deeply, the study of topical depigmenting agents get greatyl progressed, to find an effective, safe, reversible depigmenting agents become possibles. Some well-know depigmenting agents ramification and new natural product have shown widely development prospect.

随著人们对黑素生成调控机制研究的不断深入，外用脱色剂的研究越来越深入，寻找一种高效、安全、可逆的脱色剂成为可能，一些已知脱色剂的衍生物及许多新的天然产物表现出广阔的发展前景。

It is found that these properties are influenced and modulated by that of surface phonons because of the interaction between photons and the surface phonon modes.

通过研究各声子极化激元场强分量在空间的分布，表明由于表面声子模式与光波场的相互作用，场强分布受到表面声子的影响和调制。

The vessel power electric propulsion PMSM has been controlled by the MC modulated space vector and DTC.

该控制策略同时实现了矩阵式变换器的空间矢量调制和永磁同步电机DTC控制，仿真结果验证了该方法良好的动态性能，有创新性。

Unlike his ancestors,Louis ⅩⅣ was a smell shaper.He ordered that perfumers in the palace must modulated ont kind of perfume he liked in each day,or they are threatened to be cut the head.

路易十四一点都不像他的祖先，他对于臭味极其敏感，他命令宫廷香水师必须每天调制出一种他所喜欢的香水，否则就有上断头台的危险。

The inducer modulated in one of the three color directions (white-black, green-red, or purple-yellow).

诱导区在三个色彩方向上变动（白—黑、绿—红或紫—黄）。

Measurement of the delay of the quarter-wave plate by phase-modulated ellipsometry.

1/4波片延迟量的相位调制椭偏测量法。

Measurement of the delay of the quarter-wave plate by phase-modulated ellipsometry.

测量波片延迟量和快轴方位的新方法。

Based on this, aim at the disadvantage on Wigner Distribution and Fractional Fourier Transform that can't restrain noise interference effectively when be used to detect Linear Frequency Modulated signals interfered by heavy noises, we proposed a improved WD. Simulation results show that this method can restrain noise interference effectively and improve the ability of LFM signals detection. On the other hand, in multi-component cases, WD suffers from the cross-terms, which may impair some of the auto-terms. In order to separate original multi-component signals into components and reconstruct them separately, we can use the method of optimal filtering in fractional Fourier domain. But this method also has a problem that if signals have aliasing in the fractional Fourier optimal domain as well, the reconstructed signals will be distorted. In this thesis, a novel method of quasi Fourier transform is proposed in order to solve the problem of multi-component signal reconstruction, and have good results.

在此基础上，针对Wigner分布和分数维傅里叶变换在处理高噪声背景下线性调频信号检测的问题时存在不能有效抑制噪声干扰的缺点，提出了改进Wigner分布的办法，该方法能够抑制噪声，提高信号的检测能力；针对Wigner分布在处理多分量非线性调频信号时存在干扰项的缺点，以及分数域最优滤波方法在处理多分量非线性调频信号分离重构问题时存在的局限性，该局限性表现为在对最优分数域上也有信号分量重叠的情况进行处理时重构信号发生畸变，提出了新颖的类傅里叶变换的方法，该方法对在最优分数域上也有信号分量重叠的情况也能处理，得到的重构信号失真很小。

The class-D amplifier works by varying the duty cycle of a pulse-width-modulated signal.

D类放大器通过变化脉冲宽度调谐信号的信号周期而工作。

A carrier wave is the radio frequency wave generated at a transmitting station for the purpose of carrying the modulated frequency wave.

载波 载波是传输站为携带调制频率波而生成的一种无线频率波。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。