差分序列

The existence of periodic solutions for a class of impulsive differential equations of mixed type is studied by constructing periodic sequence solutions of difference equations.

通过构造差分方程的周期序列解，研究了一类混合型脉冲微分方程周期解的存在性。

Under suit upper and lower solution, iteration sequences were constructed, and existence and unique of solutions of linear boundary value problems on second order nonlinear Hammerstein type integro-differential-difference equation were obtained by means of applying the Arzela-Ascoli theorem Lebesque control convergence theorem and disproof method.

在上下解存在的条件下，构造迭代序列，由Arzea-Ascoli定理和Lebesque控制收敛定理得到了二阶非线性Hammerstein型积分微分差分方程的线性边值问题的解的存在性。再利用反证法获得了解的唯一性。

Moreover, we present a lattice path interpretation of the isobaric divided difference operators, and derive an expression for the flagged Schur function in terms of isobaric operators acting on a monomial.

并且，我们提供了齐次差分算子的一个格路径解释，从而证明了每一个带标志的Schur函数可以通过作用齐次算子序列在某个单项式上得到。

Procedures for the use of the VC, to achieve the dynamic image sequence background renewal function,...

本程序使用VC++，实现了动态图像序列背景重建的功能，对于需要使用背景差分进行处理的朋友，这个能够提供很好的前期处理。

The key problems of software radio and direct sequence spread spectrum range used in high range radio fuze are discussed. The effects of doppler frequency and carrier's initial random phase are analyzed. A new direct sequence spread spectrum algorithm based on software radio is proposed, by using differential encoding and quadrature demodulating, the effects of doppler frequency and carrier's initial phase on the output of inference filter are eliminated successfully.

研究了软件无线电和直接扩频测距技术在大炸高无线电引信应用中的关键技术问题，分析了由于多普勒效应引起的载波频偏以及载波随机相位对测距的影响，提出了一种基于软件无线电的直接序列扩频解调算法，通过采用差分编码和正交解调的方法，消除了多普勒频偏和载波随机相位对测距的影响。

Procedures for the use of the VC, to achieve the dynamic image sequence background renewal function, for the need to use background processing the difference friends, this can provide a good pre-processing.

本程序使用VC++，实现了动态图像序列背景重建的功能，对于需要使用背景差分进行处理的朋友，这个能够提供很好的前期处理。

When r is positive and large, first differencing can eliminate most of the serial correlation.

当r 为正而且很大时，一阶差分可以消除大部分的序列相关性。

Consumption: first differencing can take away large part of serial correlation.

消费：一阶差分可以去掉大部分序列相关。

On the bases of the inter-frame difference, we used the motion information of sequence images to extract binary image edges. Then according to the feature of head-shoulder image contour and chromatic coordinates transformation of color images motional face can be located.

该方法利用序列图像的运动信息，在帧间差分的基础上进行二值图像边缘提取，利用人的头肩轮廓特点以及彩色图像的色系坐标变换进行运动的人脸定位。

Thirdly, the maximum-likelihood CFO estimation algorithms based on null-subcarrier are investigated, and it is shown that the maximum-likelihood CFO estimation algorithm based on equispaced null-subcarriers is equivalent to the CFO estimation algorithm utilizing the correlation of repeated training sequences.

提出了两种基于时域相关峰值检测的同步估计改进算法：1）采用一个OFDM符号做为训练序列，在接收端进行差分相关以解决时间度量函数中出现的平台效应。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。