能观性：并非所有状态变量都是可测量或有物理意义的，因此提出能否通过可测量的输出量y获得系统的状态量，这便是系统的能观测性问题。
Secondly,the observability and detectability of discrete-time stochastic systems are studied.
第二,研究了离散时间随机系统的精确能观性和能检测性。
参考来源 - 关于离散时间随机系统能稳性、能观性和能检测性的研究This paper is devoted to derive an observability inequality for the ultra-parabolic equations.
本文推导了一类超抛物方程的能观性不等式。
参考来源 - 一类超抛物型方程的能观性估计·2,447,543篇论文数据，部分数据来源于NoteExpress
能控性和能观性是控制系统的两个重要概念。
Controllability and observability are two important concepts of control systems.
讨论非线性系统弱能控性与弱能观性计算机代数的分析方法。
A computer algebra analysis method of weak controllability and weak observability for nonlinear systems is discussed.
对2—D连续—离散系统的局部能达性与局部能观性作了系统地分析。
The problems of reachability and observability for 2-d continuous-discrete systems are studied.
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