第一种方法，可以使用数值搜索过程设定不同的m和b值并对它们求值，最终决定产生最小方差的估计值。
First, you can use a numerical search procedure to propose and evaluate different values of m and b, ultimately settling on estimates producing the least squared error.
使用最小方差法来确定最吻合的直线涉及寻找使预测方差最小的m和b的估计值。
Using a least-squared-error criterion to determine the line of best fit involves finding estimates of m and b that minimize the squared error of prediction.
可以用两种基本方法来找到满足最小方差法的估计值m和b。
The estimators, m and b, that satisfy the least-squared-error criterion can be found in two basic ways.
实时估计出系统噪声方差矩阵和量测噪声方差矩阵，对状态变量进行灰色聚类，并对滤波矩阵和增益矩阵进行实时自适应调整，计算出状态向量的递推估计值。
Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.
在每次迭代中不但更新信道冲激响应而且更新噪声方差的估计值。
Channel impulse response is updated at each iteration, furthermore the noise variance is update also.
结果表明：方差分析法估计值偏差最大，而约束最大似然法的估计值最准确。
The simulation results indicate that the estimates of REML are most accurate and the estimates of ANOVA are most biased, compared with those of the other methods.
实验也证明，取样方差估计值的标准偏差与样本数目的平方根之积可近似为一常数。
It revealed that the product of the standard deviation of the estimated sampling variance and square root of the number of samples was a constant.
性质：在系统模型辨识过程中，寻求使实际测量与计算值间的方差达到最小的参数作为参数的估计值的方法。
WT5BZ]Discusses estimation of minimum value I form composite non-homogeneous Poisson process model, and obtains its structural reliability and minimum variance unbiased estimation.
性质：在系统模型辨识过程中，寻求使实际测量与计算值间的方差达到最小的参数作为参数的估计值的方法。
WT5BZ]Discusses estimation of minimum value I form composite non-homogeneous Poisson process model, and obtains its structural reliability and minimum variance unbiased estimation.
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