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.
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.
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.
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.
声波分为两类，即普通声波与超声波。
结果表明反射行波分析法能准确地确定故障位置。
The result proves that the method can precisely locate the fault point.
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.
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.
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.
波分复用(DWDM)技术是一种比较先进且相对成熟的光纤通信技术。
Dense wavelength division multiplexing (DWDM) is an advanced and mature fiber optic transmission technique.
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.
该方法使用一固定宽度窗口内的电网电压数据来估算其基波分量的幅值和相位。
Voltage data within a fixed width window are used to estimate the amplitude and phase of the fundamental component.
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.
结果表明，用小波分析方法研究光学信息处理问题是完全可行的，且更符合实际情况。
The results show that it is feasible for the method of wavelet analysis to be used to study the problems of optical information processing, and it is more accordant with practical circumstances.
可调谐掺铒光纤激光器是实现基于密集波分复用(DWDM)的全光通讯系统的关键器件。
Tunable Erbium-Doped Fiber Laser (EDFL) is the key test device in the Optical Communication System (OCS) based on Dense Wavelength Division Multiplexing (DWDM).
小波包理论比小波分析更为复杂，但其分析手段更为灵活，具有更为精确的局部分析能力。
The theory of wavelet packet is more complex than the analysis of wavelet, but its means of analysis is more flexible, and has more accurate partial analysis ability.
可调谐全光波长转换器是智能化密集波分复用(DWDM)全光通信网络中的关键器件之一。
Tunable all-optical wavelength converters will be one of the essential devices in future intellectualized dense wavelength-division multiplexed (DWDM) all-optical networks.
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.
密集波分复用(DWDM)技术能充分利用光纤巨大的传输容量，基本满足了对带宽的需求。
DWDM (dense wavelength division multiplexing) technology has exploited the huge potential bandwidth of optical fibers to meet the bandwidth requirement.
同传统的傅立叶分析相比，小波分析的最大优势在于可以同时在时频两方面实现局部化分析。
The key advantage of the wavelet analysis is that, in contrast to the conventional Fourier analysis, it can be localized in the time and frequency domain simultaneously.
波分多路复用(WDM)技术作为有效的复用方案之一，目前已经广泛应用于光纤传感阵列中。
As one of the most efficient schemes, wavelength division multiplexing (WDM) is applied widely in fiber-optic sensor arrays.
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.
采用超声波分离电极材料-酸浸-钴锂沉淀新工艺分离并回收了废旧锂离子电池中的有价金属。
A new process involving ultrasonic separation of electrode materials, acid dissolution, precipitation of cobalt and lithium has been applied to recover metals values from spent lithium-ion batteries.
采用超声波分离电极材料-酸浸-钴锂沉淀新工艺分离并回收了废旧锂离子电池中的有价金属。
A new process involving ultrasonic separation of electrode materials, acid dissolution, precipitation of cobalt and lithium has been applied to recover metals values from spent lithium-ion batteries.
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