Improved Circular Correlation Channel Estimation Algorithm and Its Applications 改进的循环相关信道估计算法及应用
The accurate time delay estimation of a signal can be gained even if there is a great time delay because of the stationary performance of circular correlation. 由于循环相关的平稳特性,即使在较大延迟量存在的情况下,仍然能够达到准确的时延估计效果。
A new method was presented for determining the proper expansion center of the circular-harmonic filter for rotation-invariant optical pattern recognition by maximizing the peak-to-side lobe ratios of correlation energy. 提出相关能量峰值旁瓣比最大法来确定圆谐滤波器的正确展开中心,以用于旋转不变光学图像的识别。
Synthesis of the Circular Antenna Array by the Nonlinear Least Square Method Performance of MIMO with Circular Antenna Array Using Correlation Matrix 采用非线性最小二乘法实现圆环天线阵的方向图综合基于相关性矩阵的环形天线阵列的研究
A PN ( Pseudo Noise) based Channel Estimation ( CE) algorithm using circular correlation is proposed, and is implemented in Single Carrier Frequency Domain Equalization ( SC-FDE) system. 提出了一种基于伪噪声(PNPseudoNoise)序列循环相关的信道估计算法,并将之应用于单载波频域均衡系统中。
To get the rotational invariant, circular correlation is proposed. 为得到旋转不变性,提出了一种基于循环相关的算法,从而得到该图像真正具有不变性的特征。
Performance of MIMO with Circular Antenna Array Using Correlation Matrix 基于相关性矩阵的环形天线阵列的研究
Compared with linear teaching, non linear teaching is characterized by perception of life, construction of sense, circular regress, correlation and individualized response. 与线性教学相比,非线性教学具有生命体验、意义建构、回环往复、互联关系和个性化反应等特性。
The circular correlation algorithm can be used for acquiring Global Positioning System ( GPS) C/ A code signals. 采用圆周相关算法实现全球卫星定位系统(GPS)C/A码信号的捕获。
Projection angle sort scheme is used to the helical trajectory and circular arc changing axis of rotation trajectory and good results also are reconstructed. ( 2) The correlation between ray-projections leads to the reduction of amount of the statistics information that the subset contains. 将投影视角排序方案推广应用到螺旋轨迹和变旋转轴圆弧轨迹上,取得了较好的重建结果。(2)射线投影存在相关性导致子集内包含统计信息量有所减少。
For this reason, the circular correlation was adopted to design the acquisition process in this thesis. 因此,本文在捕获设计过程当中,采用了基于循环相关的捕获方法。
In the mode of cone-beam scan and circular track, the correlation between ray-projections is analyzed. Projection angle sort scheme and projection applying sort scheme on a projection angle are given. 分析了锥束圆轨迹扫描模式下射线间的相关性,给出了投影视角排序方案和投影视角下的射线排序方案。