The performance is measured by the energy of the tracking error . The display expression of performance limitation of networked system is obtained by applying the two-freedom-degree control and the spectral factorization technique .

性能 指标根据 跟踪误差的能量来度量的，采用二自由度控制器控制和谱分解的技术获得极限值的 显示表达式。

Virtual visual facilities such as infrared tracking stereoscopic glasses head mounted display and stereo effects for engine room are available in the simulation system .

本仿真 系统支持红外 跟踪立体眼镜，立体 头盔等虚拟现实视觉设备并具有立体机舱声音效果。

Based on the processing of radar image this paper mainly acquires the positions and other characteristics of targets serving for the target tracking system and display system .

本课题基于雷达图像的处理，从雷达图像中录取目标的位置及其它特征信息，为目标的 跟踪系统与 显示 处理 系统提供数据服务。

The embedded tracking system include the Nios processor system image sample / display model and communication model . The tracking system is implemented at Altera FPGA development kit and use the Niso processor to complete the tracking algorithm .

跟踪系统包含Nios处理器系统、图像采集和 显示模块、外部通信模块等， 硬件电路的验证在Altera的FPGA开发板上完成，利用Nios处理器来完成主要的跟踪算法。