spectral output

The laser output energy, dynamic to static ratio, pulse bandwidth ana spectral line width etc. by Q-switching ware mea-sured and analysed theoretically.

测量了调Q后激光输出的能量、动静比、脉宽、谱宽等，并从理论上进行了一些分析。

The establishment and development of the multi-antenna information theory have revealed that the MIMO ( Multi-Input Multi-Output) technique can provide extraordinarily high spectral efficiency gain over the traditional single antenna systems, which have also laid the theoretical foundation for the invention and applications of space-time codes.

多天线信息理论揭示了多输入一多输出（MIMO：Multi-input multi-Output）技术所具有的远远超越于传统单天线系统的高效传输性能，为空时编码技术的产生与应用奠定了坚实的理论基础。

The output model of vector sensor, vector sensor cross-spectral estimation and target bearing estimation are given.

在数学上描述了矢量传感器的输出模型，矢量传感器互谱估计以及由此得出的方位估计。