standard observer

Observer: SPL suggests a standard way of implementing the observer pattern.

观察者: SPL提出了实现观察者模式的标准.

Aside from simple utility objects and methods, formal objects within Jo use a refined "observer pattern" OOP standard.

除了简单使用对象和方法，正式的Jo对象使用了重构过的“观察者模式”OOP标准。

The calculation of theoretical "screen effect ''" from the viewpoint of mutual matching of spectral tristimulus values of a CIE standard colorimetric observer with color negative films and color printing papers is described in this article.

本文从彩色负片、彩色相纸与CIE标准色度观察者光谱三刺激值相匹配的角度出发，对理论银幕效果进行了推导。

First, the state space system is converted to the first standard type, and he gives the order of reduced-order observer in accordance with the rank of output matrix of system.

首先把状态空间变换成能观测第I标准型，根据系统输出矩阵的秩决定降维观测器的维数。