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AprioriFILECOMPRESSION
- 通过对算法抢栖过程进行分析, 提出一种基于压缩矩阵的改进算法。该算法通过压缩矩 阵和减少扫描次数来提高挖掘的速度和减少数据库的操作时间的开稍, 有效提高了关联规则的挖 掘效率。并用实例说明该算法是一种有效的关联规则挖掘方法。-Chilan get through the process of algorithm analysis, a matrix-based compression algorithm improvements. The algorithm by compressing
boundsonLDPCandLDGM
- The paper is about bounds for LDPC and LDGM codes under MAP. A new method for analyzing low density parity check (LDPC) codes and low density generator matrix (LDGM) codes under bit maximum a posteriori probability (MAP) decoding is introduced. T
LDPCtutorial
- Low-density parity-check (LDPC) codes are a class of linear block LDPC codes. The name comes from the characteristic of their parity-check matrix which contains only a few 1’s in comparison to the amount of 0’s. Their main advantage is that the
AES
- Rijndael加密算法是分组长度可变的分组密码。分组长度,密钥长度可以为128,192,256比特。 假设加密的中间结果为状态State。状态State可以用类似于元素为一字节的矩阵来表示,矩阵的行数为4,列数为Nb,Nb等于分组长度除以32。 -Rijndael encryption algorithm is the grouping variable length block cipher. Packet length, key length for the bit 128,192
led_zfsj
- 现场可编程门阵列( FPGA) 是一种可编程逻辑器件, 它具有丰富的I/O 口及内部资源, 编程和修改极为方便, 并且易于扩展和维护, 简化电子电路的设计。本系统采用Altera 公司的FLEX10K作为核心器件, 结合VHDL程序, 实现了对LED 点阵显示字符的控制。-Field programmable gate array (FPGA) is a programmable logic device, which has a wealth of I/O port and internal
Matrix_Pencil
- 出一种实现不同维间估计结果自动配对的二维频率估计算法。首先把二维频率估计问题转化成两个矩阵束的特征值问题。根据矩阵束的特征求出两个矩阵束的公共特征向量,并以此为基础同时求出两个矩阵束的特征值。算法估计误差与现有算法相近,但解决了现有算法普遍存在的配对难题。 -Matrix pencils play an important role in numerical linear algebra. The problem of finding the eigenvalues of a pencil
Dispossal-of-signal-in-time-domain
- 讲述如何使用matlab进行基本的信号变换,包括傅里叶变换,卷积。使用矩阵的方式进行傅里叶变换,避免了使用matlab函数运算功能带来的大量时间浪费-How to use matlab to basic signal conversion, including the Fourier transform, convolution. Matrix Fourier transform, to avoid a lot of time wasted matlab function computing
wxdh
- 通过设置和实际情况相接近的干扰信号、期望信号以及噪声信号参数,来仿真采样 矩阵求逆算法、单星约束下的最小输出功率算法、单星无约束下的最小输出功率 算法分别于单星信号在单个宽带干扰信号、单个窄带干扰信号和复杂电磁干扰信 号存在时的干扰抑制性能,得出在强干扰条件下算法由优到劣的顺序是采样矩阵 求逆算法、单星约束下的最小输出功率算法和单星无约束下的最小输出功率算法, 弱干扰条件下单星无约束下的最小输出功率算法失效等结论。-By setting and close to the ac
QC_LDPC-code-changes
- 提出了一种码率码长灵活变化的准循环低密度奇偶校验(Quasi - Cyclic Low Density Parity Check, QC - LDPC)码,利用构造出的H 矩阵可以达到较大的圈长( girth)值,并能在 girth值不变的前提下实现码率码长的灵活变化-Puts forward a bit rate code length of flexible change must circulation Low Density parity (Quasi-Cyclic Low De
Maximum
- 网络控制系统的最大时滞--Control Engineering Practice 11 (2003) 1301–-This paper proposes a new method to obtain a maximum allowable delay bound for a scheduling of networked control systems. The proposed method is formulated in terms of linear matrix inequali
multidimensional-scaling
- 本文提出一种基于多维定标的无线传感器网络三维定位算法,结合RSS经验衰减模型和最短路径建立相异性矩阵,采用轻量级矩阵分解算法降低相异性矩阵分解的计算复杂性,并利用网络中存在的周期性消息将初始定位信息回送,在后台使用迭代优化算法对初始定位结果求精。仿真实验表明,在测距误差一定的情况下,该算法能够提高节点三维坐标的初始计算精度,经过集中式的优化求精后与MDS-MAP算法相比,能够明显地提高节点三维定位的精度-This paper presents a method based on multidim
signal-parameter-estimation
- 本文分析了多级维纳滤波器的特性,在加性噪声和二维天线阵列如均匀圆阵、均匀面阵、十字阵等条件和背景下,对信源个数和信源参数估计问题进行了研究,提出了基于多级维纳滤波器前向分解特性的快速参数估计方法,同时提出了基于多级维纳滤波器的二维ESPRIT参数估计方法,该类方法无需协方差矩阵的估计运算及分解运算,计算复杂度较低。另外,还提出了对信源个数的估计算法。-This paper analyzes the characteristics of multistage Wiener filter, in t
coherent-signals
- 提出了一种非圆相干信号完全解相关算法。不同于传统阵列信号中每次快拍形成一组数据矢量,该算法每次快拍形成一组数据矩阵。-A new decorrelation algorithm is presented to estimate the direction of arrival of non-circular coherent signals.Unlike the data vector in conventional array signal processing,a data matrix i
00993270
- Matrix Converter Modulation Strategies: A New General Approach Based on Space-Vector Representation of the Switch State
RI
- 在层次分析法建模中,随机一致性指标用于检验矩阵的一致性,但一般参考书中只给出n=1-9或n=1-11的随机一致性指标。本文将讨论如何求取n为任意数的随机一致性指标。-In the analytic hierarchy process modeling, the random consistency index is used to test the consistency of the matrix, n = 1-9 or n = 1-11 random consistency index i
Revisited-DFT-via-Jacket-matrix-and-Its-Applicati
- The paper proposes address a new representation of the DFT matrix via the Reverse Jacket Transform(RJT) based on the WHT, and propose a simple approach for space time block codes (STBC) design. Using the proposed approach (J=H.S) the quasi-orthogonal
goldcode_seq_gen
- Gold code sequence generator Run from editor Debug (F5) JC 4/25/09 Gold code generation can sometimes be confusing and hopefully this m-file will be helpful. The m-file uses two preferred pairs of m-sequences (length 2^n-1) chips long
Phase-Type-Distribution
- 利用位相型分布 (Phase-Type Distribution) 和拟生灭过程 (Quasi-Birth-and-Death Processes)等研究排队系统的控制问题,应用一个新的 矩阵分解方法:RG分解法,对模型进行了分析与数值求解。-The use of phase-type distributions (Phase-Type Distribution) and QBD process (Quasi-Birth-and-Death Processes) and other re
Performance-of-an-embedded-optical-vector-matrix-
- An embedded architecture of optical vector matrix multiplier (OVMM) is presented. The embedded architecture is aimed at optimising the data flow of vector matrix multiplier (VMM) to promote its performance. Data dependence is discussed when the O
Planar-integrated-optical-vector-matrix-multiplie
- We present the design of a planar-integrated optoelectronic vector-matrix multiplier. The inherent parallel-processing potential is fully exploited by optical implementation of multiplications and summations. Planar integration makes the free-spa
