本文提出了一种复合数字滤波方法及基于最小二乘原理的直线拟合方法，用于实现火炮接口参数检测系统的滤波和线性度拟合。
A compound digital filtering method and a line fitting method based on the least squares are presented, which are used in the measurement system of interface parameters of artillery.
直线拟合可以保持原色块轮廓中比较线性化的部分和色块图形中的尖锐角部分。
Beeline fitting can keep the part of linearization and the acute Angle of Outlines of previous color blocks.
用这种方法可以求得最佳拟合直线方程和最小的非线性误差。
Using this method optimum imitative straight line equation and minimum non-linear error can be got.
这种方法适用于各种类型的线性传感器，可以求出传感器的最小非线性误差及相应的最佳拟合直线。
This method is suitable for all kind of linear sensor and the least nonlinearity error can be obtanined by it.
针对传感器的线性度与拟合直线的关系问题，建立数学模型。
In the light of the question of the relation between the sensor's linearity and fitting straight line, this paper builds mathematical model.
MATLAB计算程序拟合直线的线性度很好，表明电路板材料断口的分形行为显著。
The linear degree of fit beeline of MATLAB program is high, which shows fractal behavior of PCB's fracture is obvious.
针对苯丙氨酸解氨酶生物传感器非线性特性，依据最小二乘法理论，采用最优化技术，建立了最佳拟合直线的数学模型，并给出基于可编程控制器的数据拟合程序。
To solve the non-linear problem of a biosensor, the least square method and the optimum technique have been applied to build a mathematical model to evaluate the optimum fitting straight.
针对苯丙氨酸解氨酶生物传感器非线性特性，依据最小二乘法理论，采用最优化技术，建立了最佳拟合直线的数学模型，并给出基于可编程控制器的数据拟合程序。
To solve the non-linear problem of a biosensor, the least square method and the optimum technique have been applied to build a mathematical model to evaluate the optimum fitting straight.
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