采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
声波分为两类，即普通声波与超声波。
提出了一种改进型正交有限脊波分析的图像去噪算法。
One kind of Modified Orthonormal Finite Ridgelet Transform was brought forward.
如今脑波分析科技产品相当多见，但鲜有如此可爱的设计。
We've seen a fair amount of brainwave-reading tech, but not much as cute as this.
为了进一步增加光纤的信息容量，逐渐广泛采用波分复用法。
The use of wavelength multiplexing to further increase the fibre information capacity is becoming more widespread.
本文列举了此模型在变流器系统动态和谐波分析方面的应用结果。
Some practical results of this model for the dynamic and harmonic analysis of converter system are presented.
这些改进能够进一步降低泄漏和噪声干扰，提高谐波分析的准确性。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
阵列波导光栅型波分复用器对于实现未来密集波分复用全光网具有重要的意义。
Arrayed waveguide grating (AWG) is of great importance to the future dense wavelength division multiplexing (DWDM) all optical network (AON).
该算法可以滤去短路电流中的交流谐波分量，得到直流电流变化率的准确结果。
By this algorithm, the ac harmonic components of short-circuit current can be filtered, and the accurate DC current rate of change can be obtained.
小波分析处理车辆振动响应信号，可有效降噪，通过路面反映谱分析路面不平度。
Vibration response signals of vehicle are processed with wavelet analysis to reduce noise efficiently, and road surface roughness is analyzed by road response spectrum.
压缩波的合并产生激波，它的强度被随后并入的压缩波或膨胀波分别增强或减弱。
Shocks are formed by merge of compression waves with each other and its magnitude is enhanced or declined by catching compression waves or expansion waves behind the shock respectively.
利用自相似过程在小波分解下的特性，提出了基于小波变换的自相似信号检测算法。
A detection approach based on wavelet transform is proposed for these self-similar signals, which is obtained from the properties of the self-similar process after wavelet transform.
再经过变换得到原电流的基波分量，从原电流中减去基波分量得到要检测的谐波分量。
The fundamental current can be reconstructed by transformation while the harmonic current can be gained by subtracting fundamental components from the original current.
但由于实际波形中含有大量的谐波分量甚至指数衰减分量，直接影响了这些算法的精度。
Because real waves contain numerous harmonic wave and even exponentially. attenuating components, the accuracy of an algorithm depends on its filterability.
提出了一种新型三相逆变器输出滤波器，它能有效地减少输出电压和电流中的开关谐波分量。
A new inverter output filter is presented. It can reduce efficiently the output voltage and current switching harmonic.
本文探讨了分散剂、超声波分散时间、搅拌取样等因素对发泡剂AD C粒度测试值的影响。
This paper probes into the influences of such factors as dispersing agent, ultrasonic dispersion time, and stirring sample on the value of the grain size of foaming agent ADC.
并简要介绍小波分析及广义函数的一些基本原理与相关知识，以此作为本课题研究的必备基础。
Furthermore, in order to make a necessary foundation for further research, the relevant knowledge about wavelet analysis and generalized functions is introduced briefly.
通过实测数据并用谐波分析的方法对两项误差进行补偿与调整，提高了感应同步器的测角精度。
By applying the harmonic analysis method to adjusting and compensating, the practical test data is acquired, and the inductosyn Angle measuring accuracy is, raised.
这不仅为小波变换像空间的讨论提供了理论基础，也为小波分析理论的进一步研究提供了新的途径。
That provides not only the theoretic bases for discussing the image space of wavelet transform, but also a new method to investigate the wavelet analysis theory further.
接下来它还要经过一些数学处理程序，比如小波分解，多重分辨率傅立叶分析，多相过滤，离散余弦变换等。
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
分析了时间序列的概念，在逻辑和应用的基础上，提出了空间序列概念，并将小波分析应用于空间序列概念。
On the basis of analyzing time sequence concept, logic and application, puts forward the space sequence concept, applies the wavelet analysis on space sequence concept.
结论与先前的研究相同，虽然先前的研究分析的是尚未将前驱和主波分离的光子，它们显示出了一个振荡结构。
The results agree with previous studies that have analyzed single photons whose precursor and main wave form have not been separated, which have reported an oscillatory structure.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号，进行建筑结构损伤检测诊断。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
波分复用(WDM)技术是增大光纤传输容量的方法，但是在高速率、长距离wdm系统中传输性能受到限制。
WDM technology is a method for increasing the transmission capacity of optical fiber, but the transmission performance in WDM system with high speed and long distance is limited.
但在小波参数的最优化问题上，在将小波分析的理论应用到实际的故障诊断系统中，还有大量的实际工作要做。
But in wavelet parameters optimization problem, wavelet analysis in the application of the theory to the actual fault diagnosis system, has a large number of practical work to do.
但在小波参数的最优化问题上，在将小波分析的理论应用到实际的故障诊断系统中，还有大量的实际工作要做。
But in wavelet parameters optimization problem, wavelet analysis in the application of the theory to the actual fault diagnosis system, has a large number of practical work to do.
应用推荐