The Application of Iterative Algorithm of Picture Division in Weed Recognition 图像分割技术之迭代算法在杂草识别中的应用
A method of iterative channel estimation is proposed for orthogonal frequency division multiplexing ( OFDM) sys-tem using superimposed training sequence with iterative receiver. 在瑞利多径衰落信道中,针对叠加训练序列正交频分复用系统的迭代接收机,提出了一种迭代信道估计方法。
An iterative multi-user detection receiver structure is proposed for multiple input multiple output interleave division multiple access ( MIMO-IDMA) systems. 提出了一种多入多出交织分多址(MIMO-IDMA)系统的迭代多用户检测架构。
On the construction and the rule of the initial factor table in high-speed iterative Division 高速迭代除法初始因子表的构造及其规律
The rationality of numerical prediction results not only depends on the turbulent model and iterative numerical method adopted but also on the quality and layout of the division grid. 风场数值模拟的预测效果,不仅取决于湍流模型与数值迭代方法,还强烈依赖于离散网格的质量及布局的合理性。
A joint iterative channel estimation and multiuser detection receiver structure is proposed for multiple-input multiple-output interleave division multiple access ( MIMO-IDMA) systems with QPSK modulation. 提出一种QPSK调制的多输入多输出交织分多址(MIMOIDMA)系统的联合迭代信道估计和多用户检测结构。
An Iterative Detector for Space-division Multiplex MIMO System 一种适用于空分复用MIMO系统的迭代检测器
This paper proposes an effective and efficient algorithm AP-LSP ( Aitken& Polynomial LSP) using Aitken iterative method and polynomial synthesis division. 本文提出了一种利用埃特金迭代法和多项式综合除法计算线谱对参数的新算法AP-LSP,将该算法应用于G。
A matched iterative ICI cancellation algorithm with Turbo code soft-in soft-out was developed to reduce inter-carrier interference due to frequency offsets and Doppler spread in orthogonal frequency division multiplexing ( OFDM) systems. 为了解决正交频分复用(OFDM)中由频率偏移和Doppler扩展带来的载波间干扰问题,结合Turbo信道编码软输入软输出信息,提出一种用于载波间干扰抵消的匹配迭代算法。
Iterative Decoding and Interference Cancellation Technology for the Code Division Multiple Access Channel 码分多址信道中的迭代译码及干扰消除技术
This paper considers the design of iterative receivers for space-frequency block-coded orthogonal frequency division multiplexing ( SFBC-OFDM) systems in unknown wireless dispersive fading channels. An iterative joint channel estimation and symbol detection algorithm is derived. 研究了在空频块码正交频分复用(SFBCOFDM)无线通信系统中适用于多径衰落信道下的迭代接收机的设计,导出了一种迭代的联合信道估计与符号检测的算法。
And then with a threshold of the gradient operator is applied to image sharpening processing, the iterative algorithm for the best threshold is adopted to achieve the binary division. 而后采用带阈值的梯度算子实现图像锐化,运用迭代式求图像最佳阈值算法实现图像的二值化分割。
In the image segmentation stage, the software used the iterative method to realize threshold division, and got a nice result. But some noises appeared, so chose the appropriate method of morphology noise reduction. 在图像分割阶段,采用迭代法阈值分割,达到很好的分割效果,但是分割过程中,出现了部分噪声,在分析噪声特点的基础上,找到了合适的形态学降噪方法(先开启后闭合)。
Designs an iterative search algorithm for NURBS surface accuracy assessment based on regional division. 设计了一种适用于NURBS曲面精度评价的基于区域划分的搜索迭代算法。
Then proposed a coarse positioning algorithm using the iterative type value division algorithm, then combined with vertical projection and region connection algorithm we proposed the accurate localization algorithm. 3. 提出了采用迭代式阈值分割算法对人脸图像进行粗定位,然后结合垂直投影和区域连通算法精确定位的算法。