differencing造句
例句与造句
- The implicit differencing scheme of nine points for solving the parabolic equations
解抛物型方程的九点隐格式 - The semi - explicit differencing scheme of seven points for solving the parabolic equations
解抛物型方程的七点半显差分格式 - The motion detecting is achieved using temporal differencing with a threshold
移动检测是采用时域差值移动物体检测法配合门槛值的设置。 - Hybrid integrated circuits . detail specification for type hchf01 frequency differencing and channel seperation
混合集成电路. hchf01型差频和上下分离电路详细规范 - This paper studies urban change detection with sar images . this paper discusses widely - used change detection techniques and mainly studies image differencing method
本文对当前常用的变化检测技术进行了讨论，主要研究了图像差值变化检测方法。 - It's difficult to find differencing in a sentence. 用differencing造句挺难的
- Integer ambiguity resolution is the key problem of gps based real - time attitude determination system which use double differencing carrier phase observables
Gps姿态测量通常采用双差载波相位观测量，因此整周模糊值解算成为gps实时姿态测量的关键问题。 - Most of error sources can be eliminated by double differencing due to the short antenna seperations within gps based attitude determination system , multipath is the dominant error source
Gps姿态测量中，大部分误差源可通过双差得到抑制或降低，多径误差成为主要的误差源。 - With the rapid development of the carrier phase differencing technique and digital signal processing hardware , it is possible to implement real - time processing of gps based attitude determination system
随着载波相位差分技术和数字信号处理硬件的快速发展， gps姿态测量的实时处理成为可能。 - After fractional order differencing , the long momory series of dowjones index and nasdaq index become stationary , but the fractional order of two indexes is different , so there does not exist linear cointegration relation between them
摘要首先对道琼斯工业指数进行分整分析，长记忆的道指被分数维差分得到平稳时间序列；进而对纳指也进行分数维差分。 - In addition , in order to solve the differencing equations , feasible project is presented to deal with the first and second boundary conditions . finally , jacobi interation method is selected for the solution of the equation systems
为了实现内点离散方程组的封闭，本文就第一、二类边界条件在计算时的处理和边界外虚拟点的外插法求值，给出了可行的解决方案。 - After a novel speed function based on local gradients of differencing image , object variances and background variances was defined , an improved evolution equation for segmentation curve was obtained , and then different moving objects were segmented
定义了一种新的基于差分图像的局部梯度、目标的方差和背景的方差的速度函数，得到了改进的分割曲线的演化方程，分割出不同的运动目标。 - Using the approximation form of lumped mass matrix instead of the mass matrix in finite element discretization in space , backward differencing scheme in time , an implicit computational scheme is yielded , it proved the convergence estimate for this implicit scheme
对有限元离散中引起较大误差的质量矩阵，采用了近似形式的集总质量矩阵来代替，时间项采用向后差分，得到了一个隐式的计算格式，证明了计算格式的收敛性及其收敛速度估计。 - The discretization process is deduced in detail , and the final iteration formula is given . in the discretization equations , higher order upwind differencing scheme is introduced into the calculation of the convection flux , whereas as for diffusion term , a central differencing scheme is taken into account
文中就具体离散过程进行了推导，给出了最终的迭代公式，其中，对微分方程的离散采用显式格式、对流项采用高阶迎风差分格式、扩散项应用中心差分格式。 - Become a kind of new electronics circuit - current - mode circuit . it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components , they are stronger modified standard current - mode parts in fuctions on this foundation . mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ) , they are all function very strong standard current - mode parts , they all can provide some circuit functions of better than general operation amplifier , because they have the voltage importation and the current importation , therefore use it since can carry out the voltage - mode signal processing circuit expediently , can also carry out the current - mode signal processing circuit expediently , and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode , but have their advantages more according to the current - mode filter of the modified current conveyor , because it constitutes in brief , the filter wave function is stronger and they are better than in general use operation amplifier of many advantages , be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small , the impedance is different from etc . advantages , otherwise they have biggish dynamic range , and flexible circuit synthesize , so they are the best active parts
从第二代电流传输器ccii入手,重点研究了以下几种改进型的第二代电流传输器:改进的差动差分电流传输器mddccii 、全平衡第二代电流传输器fbccii 、多输出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、电流差分缓冲放大器cdba的电路结构及其模型。然后在此基础上系统地研究了基于这几种改进型的第二代电流传输器的滤波器的设计方法,主要方法和结果如下:利用mddccii设计了差分式连续时间电流模式低通、带通滤波器;电流模式跳耦结构考尔低通滤波器;利用fbccii设计了带通二阶节滤波器及电流模式双二阶通用滤波器;设计了基于多输出端ftfn的电流模式二阶通用滤波器电路;通过数字化开关选择的基于fbftfn的电流模式通用滤波器;设计了基于最少个数电流缓冲放大器(两个cdba )的多功能通用电流模式滤波器及其在非理想因素情况下分析。设计滤波器的主要方法是采用级联设计、运算模拟(信号流图法)和反馈设计(跳耦法) 。 - Because of the low angle is often beyond the distinguishing range of music algorithm , to get better doa estimation results , we make use of the well performance elevation distinguishing of the transform based covariance differencing algorithm , improve and apply it to doa estimation , which can both reduce the correlation between signals and improve target ’ s elevation distinguishing
但是由于低空目标的仰角常常超出了music算法的角度分辨范围,为了获得较好的仰角估计效果,本文利用基于变换的协方差对消算法在角度分辨上的良好性能,将其与改进,应用于低空目标doa估计,既减小的信号的相关性,又提高了角度的分辨率。
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