An unknown parameter nonlinear system is investigated by means of wiener expansion theory.
利用维纳级理论研究了一类特性参数未知的非线性系统。
The only part remaining is the handling of error reporting (such as an unknown parameter flag character or a numeric value out of range).
最后剩下的部分就是处理错误报告（例如一个未知的形参标记字符或者一个超出范围的数字值）。
In statistical studying, it is always an interesting topic to obtain the estimation and its distribution for an unknown parameter in model.
探求模型中未知参数的估计及其分布一直是统计学研究中的感兴趣的问题。
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