The accuracy and the existent problem of forward difference method are analyzed on the basis of comparing the transfer function of recursive formula with theoretical transfer function.
本文把四种方法统一写成递归格式，从理论上研究其共性特征，然后从递归公式所构造的数字滤波器的传递函数与理论传递函数比较的角度进行了分析。
We focus our attention on how to process image with difference and bring forward a method analyzing the movement properties of the myocardial cells image sequences by the means of improving it.
在此基础上介绍了如何用减影法进行图像处理，并对它进行改进提出了检测心肌细胞序列图像运动特征的一种方法。
A high order finite difference forward modelling method was proposed to improve its efficiency.
为了提高其效率，提出了一种高阶差分正演模拟方法。
The study shows that limited difference forward method has higher precision and computing speed in Geo-electrical forward modeling.
研究表明，利用有限差分数值方法进行复杂地电模型的正演计算，计算速度快，计算结果精度较高。
The relationship between the mean ballistic difference and acceptable probability is studied and a designing method of projectile trajectories satisfying the ballistic match standard is put forward.
研究了平均弹道差与接受概率的关系，提出了满足弹道一致性标准的弹丸弹道设计方法。
Both finite element method and discrete operator difference method can be pushed forward from which.
由该方程不仅可以得到有限元法，还可得到离散算子差分法。
A new method of predicting breakout and abnormal mould friction by the difference between measured value and predicted value is put forward. The result shows that the way is feasible.
提出通过拉坯阻力的实测值与预测值的差值预报拉坯阻力异常和漏钢的新方法，模拟结果表明此法可行。
A method for reducing ratio difference and Angle difference of micro-transformer of current and micro-transformer of voltage is forward.
提出了减小微型电流互感器和电压互感器的比差和角差的方法。
The mathematical morphological filtering technique based upon frame difference method has been push forward and the basic program flow chart for this algorithm is also set forth.
在此基础上选择数学形态学滤波方法，设计了基于帧间差分法的数学形态学图像滤波处理算法，并设计了算法的程序流程。
The paper puts forward the method that is more perfect in theory by considering losses in financial year as the time difference.
以年度亏损弥补视同时间性差异为前提，提出了理论上更为完善的处理方法。
This paper puts forward a new multiple gird scheme, which is used with the combination of explicit time marching method, finite volume difference code and distributed body force.
提出了一种新的与显式时间推进法、有限体积差分格式、粘性体积力法有效地配合使用的多重网格法来求解叶轮机械可压流动。
This article discusses the difference between the forward logistics and reverse logistics in B2C E-business pattern, then analyzes the method of reverse logistics management based on B2C E-business.
本文首先讨论了B2C电子商务模式下正向物流与逆向物流的区别，然后分析了B2C电子商务模式下逆向物流管理的基本思路及方法。
For the pit (well) -ground special circumstances, Using the finite difference and integral equation method forward modeling Observation data.
对于坑(井)—地的特殊情况，利用有限差分和积分方程法进行了正演模拟计算，获得了数据。
Thus, we obtained characteristics of radar images by experiments in different environment, and implemented forward modeling using two-dimension finite difference time domain method.
因此，通过不同环境的试验得到雷达图谱特征，并利用二维时域有限差分法对其进行正演模拟。
The reason of difference is analyzed and a new method named Combined Feature Selection is put forward.
分析了产生差异的原因，并提出一种适合于中文环境的特征选取方法：组合特征选取方法。
Good results also verify the feasibility of forward modeling with two-dimensional finite difference time domain method (2d-fdtd).
良好的结果也验证了二维时域有限差分法(2d -FDTD)正演模拟的可行性。
A method is given to count the minimum temperature difference between target and background under given conditions on the perspective of countermeasure Forward Looking Infrared system (FLIR).
从对抗前视红外系统的角度，给出了满足特定要求时系统感知目标所需的最小温差的一种计算方法，并对计算方法作了具体推导。
A method for forecasting daily gas load based on air temperature variation, namely temperature difference coefficient method is put forward, and the satisfactory forecasting result is acquired.
提出了基于气温变化的燃气日负荷预测方法——温差系数法，取得了较好的预测效果。
By researching on plenty of data, we put forward a DSP-core ultrasonic flowmeter's measurement and control module with Time-difference method.
通过研究大量的资料，提出了以DSP为核心的时差法超声波流量计测控模块。
According to the study of main motion detection and moving objects extraction methods, a new method combining frame-difference and background-difference was put forward.
在对视频监控中运动目标检测识别常用算法进行研究的基础上，本文提出了一种新的基于两帧差分法和背景差分法相结合的运动目标检测方法。
The results of calculation showed that using 3d finite-difference of high density resistivity method to forward model of karst of coal mine could observe features of the karst and this can pr.
计算结果表明，利用高密度电阻率法三维有限差分正演模拟煤矿岩溶，完全可以得到岩溶的特征信息，为进一步治理矿井隐藏岩溶提供了依据。
After comparing the difference between the traditional evaluating methods and real option method, the framework to evaluate the start-up firms with real option is put forward.
作者在比较传统价值评估方法与实物期权价值评估计算差异后，提出实物期权评估创业企业价值的总体思路。
On the basis of analyzing the similar single-difference model, the method of identifying the outliers, which is in carrier phase observations and less than half a cycle, is put forward.
在分析似单差模型的基础上，提出了识别载波相位观测值中小于半周的粗差的方法。
According on the difference of influence imposed on residual by fault points and gross errors of observation, the method of processing step by step is put forward.
根据失效节点和观测粗差对残差影响的差异，提出分步处理的方法。
According on the difference of influence imposed on residual by fault points and gross errors of observation, the method of processing step by step is put forward.
根据失效节点和观测粗差对残差影响的差异，提出分步处理的方法。
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