应用加权最小二乘(WLS)法可得到一个加权融合观测方程，且它与状态方程构成一个等价的加权观测融合系统。
For the multisensor systems, using the weighted least squares (WLS) method, a weighted measurement fusion equation and a equivalent weighted measurement fusion system are obtained.
每次观测可以倒过来加权作为距离或作为频率的平方根。
Each observation could have been weighted inversely as the distance or as the square root of the frequence.
赛沃尔·劳埃特认为把每次观测直接加权作为花粉频率是可取的。
Sewall Wnight thought it desirable to weight each observation directly as the pollen frequency.
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