综合两次MTD结果得到了目标的实际速度，并推导出了脉冲占空比和速度测量误差的关系式。
By synthesizing twice MTD results, actual velocity of the target is gained. Relation between pulse duty ratio and velocity measurement error is deduced.
文中详细地分折了此延迟误差的脉冲响应和频率响应，并阐述了新模型的统计性质，得出了一些新的结果。
In this paper the pulse and frequency responses of the delay error are detailed, and the statistical characteristics of the new model explained, obtaining some new results.
大系统的模型最优简化的积分平方误差法，至今仅仅对输入函数为脉冲、幂函数和正弦函数时有效。
For optimal model - reduction of large scale systems, up to now, the integral-square - error method has been developed for systems with impulse, power or sine function inputs only.
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