This paper proposes a recursive adaptive algorithm of joint channel estimation and multi-user detection based on a simplified constraint minimum output energy (CMOE) criterion for space-time block codes(STBC) MIMO MC-CDMA.
将约束最小输出能量(CMOE)准则应用于空时编码多输入多输出多载波码分多址(STBC MIMO MC-CDMA)系统,提出一种基于简化CMOE的联合信道估计与信号检测的递归自适应算法,解决了可变对角因子的自适应取值问题,所给出的最优步长半盲自适应信道估计可以提高信道估计的准确性和收敛速度。
Study on the energy output characteristics and action with objects of different explosives in the confined field;
密闭空间内不同炸药爆源的能量输出结构及与目标作用研究
The effect of major factors were studied by means of single factor test and orthogonal test,and the energy output of the sub-micron TATB and that of its raw material were tested.
通过单因素和正交试验对各种影响因素进行了研究,并测试了产品细化前后的能量输出变化。
In order to improve energy output and impact security of 2,6-bis(picrylamino)-3,5-dinitropyridine(PYX),the micron PYX particle with mean particle diameter of 1.
为了提高耐热炸药2,6-二苦氨基-3,5-二硝基吡啶(PYX)的能量输出和撞击安全性,以N-N-甲基甲酰胺(DMF)为溶剂,蒸馏水为非溶剂,采用溶剂-非溶剂重结晶细化技术制备出了重均平均粒径为1。
The influence of granularity gradation of principal explosive HMX on the energy output of the composite explosive HMX/F(2641) is studied on the basis of zero-gap small scale gap test.
以零间隙小隔板试验为基础,对HMX主体炸药粒度级配与混合炸药HMX/F2641输出能量的关系进行了研究。
Analyzing and Shaping of the Laser Beams Outputted from the Carbon Dioxide Series Lasers with the Axis-Symmetry Structure;
系列轴对称结构CO_2激光器输出光束分析及整形
Far-field distribution of laser beam from oscillator and amplifier of copper vapor lasers
铜蒸气激光振荡器与放大器输出光束的远场分布
Mode Selection and Phase-locked Efficiency of Output Beam from Diode Laser Array Using External Cavity;
外腔二极管激光阵列输出光束的模式选择和效率研究
The Research of Nearfield Behavior of the Output Beams from Axisymmetric Folded-Combined Cavity;
轴对称折迭-组合腔He-Ne激光器输出光束的近场特性研究
An Auto-alignment and Stabilization Cavity Laser System by Use of an Intracavity Concave Mirror
利用腔内凹面镜控制输出光束稳定性的激光系统
Wavelength beam combining of laser diode array to get 20 W CW circle spot emission
808nm激光二极管阵列波长光束组合20W输出
Wavelength beam combining of a laser diode array to get 20 W cw circle spot emission
二极管激光阵列波长光束组合实现20W输出
Atomic Funnel Using HE_(11)-mode Output Hollow Beam and Atomic Guide in a Beam of Single-mode Optical Fibers;
采用HE_（11）模输出空心光束的原子漏斗与单模光纤束中的原子导引
The output power of laser can be exactly measured by the method of beam splitting monitoring.
通过分束监视 ,实现了激光输出功率的准确计量 ;
The Influence of Incident Condition of Light Beam on the Output Characteristics of 1-D PSD
光束入射条件对一维PSD输出特性的影响
An energy-output-ratio adjustable coupling power splitter for photonic crystal waveguides
一种可调能量输出比光子晶体波导耦合分束器
input/output record end flag
输入输出记录结束标志
input/output program end flag
输入输出程序结束标志
Theoretical Investigation of Propagation of Laser Beam and Ultrashort Pulsed Beam;
激光光束传输及超短脉冲光束传输的理论研究
The Beam Propagation Factor and the Focal Shift of Truncated Gaussian Beams
截断高斯光束的光束传输因子和焦移
In order to increase the output power of incoherent fiber laser combination, the optimized methods are put forward, mainly concentrating on the fiber laser array.
为了增加光纤激光非相干组束的输出功率，针对光纤激光器阵列提出了优化的方法。
Influence of Cavity Length and Beam Expander of CW Nd:YAG Solid-state Laser on Laser Output Power
连续Nd:YAG激光器腔长与扩束系统对输出功率的影响
Beam Combination Characteristics of Partially Coherent Beams
部分相干光光束并合的光束传输变换特性