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recursion weighted LS 递归加权最小二乘法
In this case optimally weighted LS estimate is not a linear estimate of a parameter given input and observation anymore and can not be compared with linear minimum variance estimate. 在这种情况下，最优加权最小二乘估计变成关于观测和输入的非线性估计，且与线性最小方差估计不可比。
THE PROPERTY COMPARISON BETWEEN OPTIMALLY WEIGHTED LS AND LINEAR UNBIASED MINIMUM VARIANCE ESTIMATE 最优加权最小二乘估计与线性无偏最小方差估计性能比较
Our first meeting often recurs to me/my mind. 我们初次见面的情形时常浮现於我的脑海。
recursive weighted least squares estimation 递推加权最小二乘法
The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
The memory of the days we spent together often recurs to me. 我们当时在一起的情景现在还时常浮上我的心头。
The selection was weighted against me. 那次选拔对我不利55。
A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
She was weighted down with cares. 她心事重重。
The stick had been weighted with lead. 这条棍子灌了铅增加了分量。
My first meeting with her often recurs to my memory. 我与她的第一次会面的情景经常出现在我的记忆中。
She was weighted down with parcels. 她携带著沉重的包裹。
The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
The President swings his weight to get laws passed. 总统运用权力使法律获得通过。
His opinion doesn't carry much weight. 他的意见没多少影响。
Bananas are usually sold by weight. 香蕉通常按重量卖。
Let us recur to the problem discussed last night. 让我们再谈谈昨晚讨论的问题吧。
Recursion too deep; the stack overflowed. 递归太深；堆栈溢出。
The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。