1.This paper introduces various arithmetic, according to the characteristics of image manipulation and is easy to the target of the hardware realization, based on the distributed arithmetic to realize the FPGA design.
介绍DCT的各种快速算法,根据图象处理的特点和易于硬件实现的目标选择基于分布算法(distributed arithmetic-DA)的DCT结构来实现FPGA设计。
2.In this paper, the trigorometric sum is extended to Gaussian integral domain first, and two-dimesional AFT (Arithmetic Fourier Transform ) is obtained based on Mobius inversion formula on Gaussian intergral domain.
本文在分析了一维 AFT（Arithmetic Fourier Thansform）推导的基础上，首次将整数环上的三角和推广到Gauss整环上．结合Gauss整环上的Mobius反演公式，推出了计算二维Fourier系数的AFT算法．
3.Their efficiency decides the efficiency of RSA. In order to improve the speed of RSA, this paper study RSA cryptogram arithmetic in depth, bring forward a parallel arithmetic, which combined secret key from right to left scan mode and FIPS operation mode of Montgomery arithmetic, which shift the operation efficiency of RSA arithmetic.
为了更好的解决RSA密码算法的运算速度问题,本文深入研究了RSA密码算法,提出了从右到左的密钥扫描方式与Montgomery算法的FIPS运算模式相结合的并行算法,有效的提高了RSA算法的运算效率。
4.This article analyses latent threats to information in transmission and put forward the standards of safe services,then makes a summary of traditional encryption and gives a detail discussion in AES(Advanced Encryption Standard), then explains the math knowledge and designing pcinciples of the Rijndael Arithmetic, before gradually analyzing the design process of the arithmetic, with an introduction to the core of the arithmetic, round transformation function.
本文分析了信息在传输过程中受到的潜在威胁及安全服务的标准,对传统的加密技术作了概述并对最新的高级加密标准AES(Advanced Encryption Standard)作了详细的论述。 在阐明了Rijndael算法所使用的数学知识和设计原则基础上,逐步地详细分析了该算法的设计过程,对算法所使用的核心——轮变换函数进行了阐述,同时对Rijndael加密原理进行了详尽的分析与说明。
5.Based on "Underwater Navigition-water surface correction-Underwater Navigition" navigation mode, in which SINS/DVL integrated navigation is used as the underwaer navigation means and SINS/GPS integrated navigation is used as the water surface correction system. The integrated navigation system is designed by the improved Kalman filtering arithmetic, inverse-matrix-free kalman filtering arithmetic and improved adaptive kalman filtering arithmetic.
本文在“潜航—水面校正—潜航”的导航模式上，利用SINS／DVL组合导航系统作为水下导航，SINS／GPS组合导航系统作为水面校正系统，利用改进的Kalman滤波算法、无逆阵计算的Kalman滤波算法、改进的自适应Kalman滤波算法，对组合导航系统滤波算法进行了设计与仿真研究。
6.Considering the monotony and regularity of Euclid arithmetic, the paper proposes a new multiple attribute decision making approach based on the ordinal Euclid arithmetic, and the monotony, regularity and metathesis immutability of the ordinal Euclid arithmetic are proved too.
基于算子有序性的构建思想，本文提出并构建了基于有序欧几里德算子的区间数多属性决策算法模型，证明了有序欧几里德算子的单调性、齐次性和幂等性。
7.An improved point-by-point focusing arithmetic of Multi-pulse Wide Band Correlation(WBC) imaging is presented.The basic theory and intuitionistic imaging arithmetic of Multi-pulse WBC imaging are analyzed.Then a corresponding improvement is worked out which is based on relating theoretic analysis.Because there are some flaws in the intuitionistic arithmetic such as the interpolation of range cell migration which influence azimuth resolution,the experiment shows the effectiveness of the approach.
提出了一种多脉冲宽带相关声成像的逐点聚焦算法.分析了多脉冲宽带相关成像的基本理论和直观成像算法,指出了该算法中距离徙动等插值运算对运算量和分辨率有较大影响,在进行相关理论分析的基础上对算法作了相应的改进.实验结果表明,该改进算法是多脉冲宽带相关声成像的有效算法.
8.Lumber Moisture Content models were obtained with BP arithmetic and GA-BP arithmetic,Training results showed that meansquare errors and accelerate of convergence were improved with GA-BP lumber moisture Content models,BP arithmetic immersion minim value was avoided,the prediction mean errors were 1.0413% and showed relatively high prediction precision.
对比结果表明:GA-BP算法建立木材干燥基准模型提高了期望误差精度和收敛速度,避免了BP算法陷入局部极小值,预测平均误差为1.0413%,具有较好的预测精度。
9.After analyzing the advantages and the disadvantages of DSE arithmetic and RSA arithmetic, which are both representatives of the traditional cryptogram systems, put forward a model of network data safety system combined two arithmetic.
在分析对称密码体制和公开密钥体制的代表DSE和RSA算法的优缺点后，提出将两种算法结合的网络数据安全系统的模型。
10.In the paper , distance arithmetic and correlation arithmetic will be given, at the same time ,the realization point of distance arithmetic programming will be given too.
基于模板匹配是常用的方法,但计算量大,本文提出了相关算法和距离判别法,实验验证了距离判别法,并给出了该算法的编程要点。
