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.
差分gps的主要目的是什么？
差分跳频是一种新型的跳频通信技术。
Differential frequency hopping (DFH) is a kind of new frequency hopping (FH) technique.
用差分热偶温度计测量温度。
Temperature is measured with a differential thermocouple thermometer.
采用有限差分方法，对波动方程求数值解。
We use finite difference method to solve electromagnetic wave equation.
我们的差分探针系统几乎适用于所有的阻抗测试。
Our differential probing systems are well suited for nearly every impedance test.
研究和设计了一实验性双端差分吸收激光雷达系统。
An experimental laser radar system with double end differential absorption is studied and designed.
为了提高其效率，提出了一种高阶差分正演模拟方法。
A high order finite difference forward modelling method was proposed to improve its efficiency.
并利用有限差分方法，对温度场数学模型进行数值求解。
Numerical solution is given to mathematical model of formation temperature field by full implicit finite difference method.
并在此基础上提出了基于差分演化算法的属性约简算法。
And on this basis, an attribute reduction algorithm based on the improved differential evolutionary algorithm was put forward.
为了求解这两个微分差分方程，给出一个系统的代数算法。
In order to solve the two differential-difference equations, a systematic algebraic algorithm is given.
它也是有记录以来任何一个月中最大的负异常，指的是低于长期平均值的差分。
It was also the largest negative anomaly, meaning difference below the long-term average, on record for any month.
用交替分组显式(age)方法求解了差分方程，方法便于并行计算。
The difference equations are solved by the alternating group explicit (AGE) method which is specially suitable for parallel calculations.
多路开关的输入端可以有多种输入连接方式，例如单端连接或者差分连接。
The multiplexer can be carried out in a variety of ways such as "single-end" and "differential" connection.
第一章有限差分方法主要内容是一阶和二阶的两点式、三点式和五点式差分方案。
The main contents of first chapter are several difference schemes of first-order and second-order differential equations.
感知器培训规则是基于这样一种思路—权系数的调整是由目标和输出的差分方程表达式决定。
The perceptron training rule is based on the idea that weight modification is best determined by some fraction of the difference between target and output.
在深入研究图像像素灰度差分的基础上，提出了一种新颖有效的自适应信息隐藏算法。
Based on the detailed study of image pixel-value differencing, a novel and efficient adaptive information hiding algorithm was proposed.
为了有效地利用信号中相关特性的信息，接收机采用了一个多重差分检测器（MDD）。
The receiver employs a multiple differential detector (MDD) which exploits the correlating characteristics of the signals.
为进一步提高密码芯片的安全性，密码芯片必须防止简单能量分析和差分能量分析的攻击。
To be more secure, crypto-chips should be protected against simple power analysis attack and differential power analysis attack.
为达到实时应用的效果，本文利用了差分定位方式，对应的观测时间就可减少到1分钟以内。
In differential mode, the effects of both SA and ionosphere are substantially removed, and the correlation time is reduced to about 1 minute.
咨询有关产品的使用寿命在非差分应用，用户手册，或为正常或严重合成油间隔的OEM服务。
For product service life in non-differential applications, consult owner's manual or the OEM for either normal or severe synthetic oil service intervals.
但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
以差分吸收激光雷达为背景，对基于WDM的实时监测控制系统的设计中涉及的关键技术进行研究。
With differential absorption laser radar as background, the key techniques related in designing real-time monitor and control system based on WDM (Wavelength Division Multiplexing) are studied.
采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.
根据三脉冲激光雷达回波信号的特点，对信号进行差分滤波和匹配滤波处理，信噪比提高约1.5倍；
According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
采用三维时间域有限差分（FDTD）方法研究了扫描近场光学显微镜中光纤微探针的近场分布特性。
The near field distribution of uncoated and metal coated fiber optic probes were characterized by the method of three dimensional finite difference time domain (FDTD).
差分gps定位技术是通过基站与移动站之间的空间相关性，来消除公共误差部分，以提高定位精度。
Differential GPS can eliminate the common error to improve the positioning precision by a spatial correlation between the base station and the mobile station.
差分gps定位技术是通过基站与移动站之间的空间相关性，来消除公共误差部分，以提高定位精度。
Differential GPS can eliminate the common error to improve the positioning precision by a spatial correlation between the base station and the mobile station.
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