| 1. | The essence of back propagation networks is that make the change of weights become little by gradient descent method and finally attain the minimal error
其实质是采用梯度下降法使权值的改变总是朝着误差变小的方向改进，最终达到最小误差。 |
| 2. | Switch states of mc are obtained when the output voltage error function is minimized , thus the optimum combination of switch states is derived for the closed - loop control of mc
根据最小误差函数确定矩阵变换器开关模式，实现了系统闭环控制时开关状态的优化组合。 |
| 3. | On the base of i2 , the suitable threshold is found , and the gray - level edge image i1 is converted to binary edge image with this threshold . consequently , the edge extraction of color image is completed
在i _ 2的基础上，采用最小误差方法求得分割阈值，并用该阈值对i _ 1进行二值化处理，从而完成彩色图像的边缘提取。 |
| 4. | Because of the abundant upright texture characteristics of the plate area , the algorithm of improved image difference and the algorithm of finding the lowest error limit data are employed as first disposal
基于车牌区域具有丰富的竖直纹理的特点,本文首先采用了改进的横向差分法和最小误差阈值法对去除过背景的多车牌图像进行预处理。 |
| 5. | The lyapunov function is used to analyze the convergence of the general learning rule , and it is proved in theory that the general learning rule has the inherent factor which adjusts the coefficient values to gain the minimum error
通过理论推导，用李雅普诺夫函数分析和验证通用参数学习规则的学习收敛性，揭示参数学习算法朝最小误差方向调整参数的内在因素。 |
| 6. | At the same timejt is proposed that the mean error , maximum error and minimum error of the last 8 numbers between the measured results and predicting results are used as criteria in order that we can select the optimum model judge the accuracy and dispersion of measured results
在模型比选时，提出用实测值与预测值的后八项的平均误差，最大和最小误差来选择最优模型并判断其准确性以及实测数据选取的离散性。 |
| 7. | The error of distortion which harmonic distortion meter detects can be least controlled 1 . the lowest frequency which harmonic distortion meter can detect is 0 . 0001hz . but , generally , this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic
采用谐波分析法的失真度仪测得的失真度的最小误差可控制在千分之一以下，频率最低可达到万分之一赫兹，但普遍存在仪器价格较贵，操作繁琐的缺点，现在用的失真度测试仪大多是用基波抑制法。 |
| 8. | Secondly , in this paper , we found out by experiment that if the error between two overlapped transition region is small enough , we can introduce directly the method of minimal error polygon , analyze the parameters " influence , and we can get good results for many textures
其次本文通过大量的实验发现，只要重叠过渡区域的误差足够小，我们就可以在重叠过渡区域直接采用最小误差折线法，并且分析了各种参数对它的影响，采用该方法对大多数纹理进行合成都取得了令人满意的结果。 |
