查询词典 modulated

In communications, the amplitude variations of an amplitude modulated carrier wave.

在通信技术中，调幅载波的幅度变化图。

The conversion of a modulated carrier wave into a current equivalent to the original signal.

转换器接收一种形式的波返回另一种形式的波的过程。

To extract from a modulated carrier wave .

从载波中提取接收信号。

He used 0.75 milliwatts per square centimetre of pulsed, modulated microwave at a frequency of 450 mhz.

他用了每平方厘米0.75毫瓦的脉冲，调节的微波在450mhz的频率。

Theory and simulation results demonstrate that the ambiguity function of the Chebyshev chaotic modulated signals is really approximately thumbtack-shape as the ideal results, thus the signal has high resolution both in time-delay domain and Doppler frequency domain, and no matter what the codes length N is.

仿真结果表明2阶Chebyshev混沌二相码的模糊函数非常逼近理想的图钉形，具有良好的测距和测速精度，且所得结呆并不依赖于所选用码的长度变化。

With cyclic prefix, the channel matrix exhibits block circulant property which is exploited to blindly identify periodically modulated block transmission system in an existing method.

一种针对具有循环前缀和周期调制的块传输系统的盲辨识方法，利用了信道矩阵的块循环特性来求解信道系数。

In the discrete wavelet transform domain, the watermark sequence is modulated with m-sequence at first, then the watermark information is embedded by quantifying the coefficient of the transform domain. The quantification procession is given.

4在离散小波变换域，先对水印序列进行扩频调制，然后通过对变换域系数进行量化来嵌入水印信息，给出了量化方案；在水印的提取过程中不需要原始音频信号的参与。

Finally, each column of response matrix by modulated wavelength is normalized, and an accurate control matrix is obtained.

最后，对每个Zernike模式，即响应矩阵的每一列对相应的调制波长进行归一化，最终得到准确的控制矩阵。

Taking the reflective phase hologram grating as an example, the spectral properties of the gratings were analyzed, for recording material with refractivity modulated in the convex curve and concave curve, by the coupled-wave theory.

以反射相位型全息光栅为例，用耦合波理论分析计算了记录介质折射率调制为上凸型和下凹型调制曲线的体全息图的衍射光谱特性。

This system uses FPGA chips as its control center, combined DDS technology this system directly forms SPWM modulated waves to drive contradictorily changed device of IGBT, by changing the range of sine wave to adjust the output voltage to achieve energy saving effect.

本系统利用 FPGA芯片作为控制核心，结合 DDS技术直接形成 SPWM调制波来驱动 IGBT逆变器，通过改变正弦波的幅度来调整输出电压，实现节能效果。

Last year I discovered he was constipated.I used the epsom salt and within an hour he was unblocked.A few days ago I noticed he was very agitated,bloated and no waste for two days.

去年，我发现他是constipated.i用泻盐，一小时后，他被unblocked.a前几天我发现他非常激动，臃肿，并没有浪费两天。

Mark Twain once said,"Golf is a good walk spoiled," and although many a duffer has spent a frustrating couple of hours on the links, few actually die as a result.

马克吐温曾经说过：高尔夫把好好的散步给毁了。