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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
Kinematics-analysis
- 讨论了一种六自由度排爆机械手运动学问题，利用D－H坐标变换方法来建立了机械手的运动学数学模型和目标矩阵，利用 MATLAB 强大的符号运算功能，对方程进行求解，得出正逆运动学的解。通过正运动学的解，可以得出了 解机械手各关节在执行任务时的运动轨迹；而逆运动学的解则可以求出机械手要到达某一位姿机械手各关节的扭角。运动学分析也为今后实现机械手的自动控制提供了设计参数。 -A kinematics promble of a 6-DOF bomb-disposing manipulator was
Complex_SVD_algorithm_for_Cplus
- To do complex SVD for non-codebook precoding in open loop spatial multiplexing in MIMO, Householder Reduction and QR Diagonalization is applied to H matrix to obtain eigenvalues and eigenvectors of matrix.
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
LDPC-code
- LDPC encoder and the decoder of sum-product algorithm. (input H matrix form is Mackay s website form)
JISUANFANGFA23
- 猜想：通过对Hilbert矩阵的预处理，能改善Hilbert的病态性质。 验证：根据不同 建立对应的Hilbert矩阵，计算该矩阵的2-范数的条件数，其次计算经过预处理后的H^矩阵的2-范数的条件数，并绘制 曲线。编程实现见附录1中的solution(2)。 实际编程中，分别取 ， ， ， ，可以发现所得到的变化曲线 在 时， 的取值较为平缓的减小，且均小于0。而随着Hilbert矩阵阶数的增大， 的取值在 区间中振荡，主要集中在 ，且多数取值 。则对多数的Hilbert矩阵，其条件数在
JIEXIANXINGFANGCHENGZU
- 解线性方程组的列主元素高斯消去法和LU分解法实验报告-Conjecture: By Hilbert matrix preconditioning can improve the pathological nature of Hilbert.establishment of the corresponding Hilbert matrix, the matrix calculation 2- norm condition number, followed by the calculation 2
FORM.LDPC
- Low-density parity-check (LDPC) codes have recently emerged due to their excellent performance. However, the parity check (H) matrices of the previous works are not adequate for hardware implementation of encoders or decoders. This paper prop
1126code
- 网站商城的后台框架和模板，在后台开发总会用的到- LBP returns the local binary pattern image or LBP histogram of an image. J LBP(I,R,N,MAPPING,MODE) returns either a local binary pattern coded image or the local binary pattern histogram of an intensity image