3) standard damped least-squares method 标准阻尼最小二乘方法 4) damped least square(DLS) 阻尼最小方差 5) damping least square method 阻尼最小二乘法 1. Choosing different primary models to invert a set of test resistivity sounding curves derived from a known model, according to the demands on primary models and convergent velocity, this paper compares singular value decomposition method with damping least square method. 本文根据电阻率测深曲线的一维反演中对初始模型的要求和收敛速度，论述了奇异值分解法（维根斯法）与阻尼最小二乘法（马奎特法）的优缺 6) Damped least square method 阻尼最小二乘法 1. This paper presents an optimum estimation algorithm, damped least square method,combining the merit of Newton combines with the that of the rapidest descend for nonlinear time series ARMA parameter estimation. 提供了一种ARMA模型参数的优化估计法—阻尼最小二乘法,它结合了Newton法和最速下降法的优点,既保证了迭代计算的收敛性,又加快了收敛的速度。 2. On the basis of analyzing the whole bag of tricks of spherical surface test, I have researched the damped least square method and established the mathematic and physical model of calculating radius of spherical surface by using the damped least square method. 在广泛分析了各种球面曲率半径测量方法的基础上，研究了阻尼最小二乘法求解非线性超越方程的原理，建立了由阻尼最小二乘法计算球面曲率半径的数学物理模型，详细分析了初值选取、阻尼因子选取等问题。
阻尼最小平方
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