self-oscillation method

The iterated self-learning control method is employed in pneumatic PWM position servo system. The effects of PID method and the self-learning method are compared by means of experimental results.

采用迭代自学习控制方法来控制气动脉宽调制位置伺服系统，通过实验研究比较了迭代自学习控制与PID控制的效果。

Experiments are done to test the detection ability, false-negative rate and false-positive rate of the method. Result shows that this method has the features of self-adaptation, self-learning, diversity, can detect know and unknow computer virus effectively.

通过实验测试了该方法的识别能力、错误否定率和错误肯定率，结果表明该方法具有自适应、自学习和多样性等特点，能够有效地检测未知计算机病毒。

In the second chapter, we talk about the method for camera self-calibration through translation movement of the camera.

第二章主要给出通过摄像机的平移运动来实现自定标的方法。

A New Method to Axial Thrust Self-Balance for Centrifugal Pump Impeller

离心泵叶轮轴向力自动平衡新方法

As a self-developing and characteristic well logging method, polarity logging method combines with characteristics as continental deposit, using flood development for oil fields and reservoirs containing high water in our country. This method is powerful tool for reservoirs evaluation in freshwater areas.

况且极化率测井方法作为一种自主发展的特色测井方法，结合了我国陆相沉积、油田采用注水开发、储层高含水的特点，是确定地层含油饱和度和准确评价水淹层的有力工具。

Study on PM Self-tuning Method of Engine Throttle Opening Control

油门控制PM自整定方法的研究

Practical Discriminating Method of Earth Fault in Railway Self-closing through Circuit

铁路自闭贯通线路接地故障的实用判别方法

Three dynamic range extending experiments are performed with this system: temporal SLM multi-exposure method, spatial light encoding method and self-adaptive PID feedback control method.

利用该成像系统分别进行了时间域多次曝光，空间域光强编码调制，自适应PID反馈控制三种动态范围扩展实验。

Three new dynamic range extend methods with spatial light modulator ( SLM) are proposed: temporal SLM multi-exposure method, spatial light encoding method and self-adaptive PID feedback control method.

提出三种新的利用空间光调制器（SLM）实现的动态范围扩展方法：时间域SLM多次曝光，空间域光强编码调制，自适应PID反馈控制。

The most prospective method for certain structural failures and damages that cannot employ redundancy is self-repairing techniques, to ensure especially the maximum flight safety.

对于无法使用冗余技术的结构故障及损伤，欲最大可能地保证飞机的飞行安全，最有前景的方法是采用自修复技术。