1) space-time code
空时码
1.
In this paper,the inferential reasoning process of the space-time code design criteria is introduced in the frequency non-selective slow fading channels.
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。
2.
The design criterion for space-time coded (STC) slow flat Rayleigh fading channels is investigated.
对用于慢变平坦瑞利衰落信道的空时码设计准则进行了研究。
3.
The design criteria of space-time code(STC) for quasi-static fading channels, fast fading channels, and the time-varying fading channels are investigated.
对准静态衰落信道、快衰落信道以及介于两者之间的时变衰落信道下的空时码设计准则进行了研究。
2) space-time codes
空时码
1.
The processing is obtained by space-time codes.
MIMO通过多天线发射多数据流并由多天线接收实现最佳处理 ,可实现很高的容量和频谱利用率 ,这种最佳处理是通过空时码实现的。
3) STC
空时码
1.
An iterative algorithm is discussed for ML detection of a certain class of Space - time Codes ( STCs).
为了探讨某一类型空时码的最大似然检测的迭代算法。
2.
This paper proposes a new class of STTC called rotationally invariant spacetime codes (RISTC), which are transparent to phase offsets caused by coherent demodulation in a multiantenna system.
讨论了旋转不变空时码的原理和设计准则,针对QPSK调制给出了不同状态数的90°旋转不变空时格码。
3.
A Method Based on Phase Rotation and Trasmiting Antenna Selection for Improving STC Performance in MIMO System;
基于相位旋转空时分组码(R-QO-STBC),将准正交空时码序列映射到合适的发送天线,传输信号根据信道状态信息交错选择天线发送,接收端根据信道状态信息反馈能获得分集增益,同时分析不同天线发送方案的性能。
4) space-time coding
空时编码
1.
Joint group space-time coding and power control for multiuser CDMA systems;
多用户CDMA系统中的联合分组空时编码与功率控制
2.
Cramer-Rao bound for channel estimation errors in space-time coding and modulation;
空时编码调制中信道估计误差的Cramer-Rao界
3.
Joint eigenbeam and space-time coding over the frequency-selective fading channel for diversity;
频率选择性信道下特征波束和空时编码联合分集
5) unitary space-time code
酉空时码
1.
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.
主要分析了空间衰落相关对非相干酉空时码带来的影响,推导了衰落相关条件下酉空时码的成对差错概率及其Chernoff边界。
2.
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。
3.
Based on orthogonal space-time block code,a scheme for constructing unitary space-time code is proposed.
提出了一种基于正交空时分组码构造酉空时码的方案,证明了所设计的酉空时码可以获得满分集。
6) space-time code
空时编码
1.
Downlink frequency-selective fading channel blind estimation for space-time coded MC-CDMA MIMO systems;
空时编码多载波码分多址MIMO系统下行频率选择性信道盲估计
2.
In order to study the effect of spatial correlation on the performance of space-time codes,an angular spread of multipath signals received in Rayleigh fading channels is presented with the assumption that the power distribution versus the angle of arrival(AOA) of scatter components follows the von Mises distribution.
为了研究空间相关对空时编码性能的影响,假设散射量沿波达角的功率分布服从von Mises分布,推导出了Rayleigh衰落信道多径接收信号的角度扩展。
3.
This paper describes the principles of three kinds of common space-time coding techniques,focusing on the layered space-time codes,the space time trellis code and space-time block codes,which are common in space-time coding schemes,at last,makes a comparison of the three coding schemes.
多输入多输出技术的发展促进了对空时编码技术的研究。
补充资料：HP-241B色带打码机/HP-30手动打码机
适用材料：
塑料薄膜PT、PE、PVC、OPP、KT、铝箔、饮料瓶商标；各种塑料复合材料、塑料袋、纸（不干胶、卡片）、皮革、布；包装容器袋、塑料制品；电子元件外壳。
工作原理及结构特点：
采用热打印带代替油墨打印，采取特殊的活字装卸换字结构，可在任何软包装材料上打印。印字清晰，不易擦掉；卫生干净，无油墨污染之优，是一种经济卫生的打印方式。
HP-241技术参数：
最高速度：70-120次/分 可调
打印间距：任意
打印行数：1-3行
电 压：220V±10% 50Hz
功 率：200W
热打印带宽度：25-35mm
HP-30技术参数：
电 源：220V/50Hz
功 率：≤40W
尺 寸：225×200×155mm
重 量：2.5kg
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条