Based on cyclic diagonal codes, an improved design of unitary space-time codes (USTC) at low SNR is proposed.
在低信噪比情况下，提出了一种基于循环对角码的改进的酉空时码设计。
A decoding algorithm based on the tree-structured constellation design was presented in order to reduce the decoding complexity of unitary space-time codes.
针对酉空时码最大似然检测复杂度高的问题，提出了一种酉空时星座的设计及低复杂度译码方法。
A new method of unitary space-time constellation, which can improve the influence on block error rate by fast fading, is designed based on a systematic method.
在系统化酉空时星座设计方法的基础上，提出了一种抗信道快变的酉空时星座设计方案。
Differential unitary space-time code(DUSTC) keeps good performance in rapidly fading channels when neither the transmitter nor the receiver knows the channel state information.
差分酉空时码不需要任何信道状态信息，在通信终端处于高速移动环境下的快变衰落信道中仍能保持较好的性能。
Besides, the author gives the necessary and sufficient conditions for the two generating subspaces to be orthogonal complement spaces in a unitary space and certain corollaries.
在此基础上，得到了酉空间中两个生成子空间互为正交补空间的充要条件及其若干推论。
This paper analyzed the impact of fading correlation on the noncoherent unitary space-time code, deduced the pair-wise error probability(PWEP) and Chernoff bound under fading correlation.
介绍了空时码在频率非选择性慢衰落信道下各种设计准则的推导过程，并对几种现有空时码进行了性能分析和比较。
Starting from the precise pair-wise error probability (PEP), the joint border of group coding signal error probability (SEP) in differential unitary space-time (DUST) modulation is deduced.
从精确成对错误概率(PEP)出发，推导得到了DUST调制群码符号误码率(sep)的联合边界。
His proposal therefore sketches out a unitary organisation, deployed with virtuoso skill in the three dimensions of the space between two poles linked by a system of ramps.
因此，他的设计提案描绘了一幅统一的组织架构，以艺术大师一般的技巧在由一系列坡道连接的两极之间的三维空间中展开了部署。
Furthermore, we make some improvements on the method of super complex number space transformation, and bring forth a unitary color difference edge detection method.
并对颜色空间变换方法中的超复数空间变换方法提出了归一化的色差边缘检测算法。
Furthermore, we make some improvements on the method of super complex number space transformation, and bring forth a unitary color difference edge detection method.
并对颜色空间变换方法中的超复数空间变换方法提出了归一化的色差边缘检测算法。
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