| 1. | Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 1 : vocabulary
农林用拖拉机和自驱动机械.驾驶室环境.第1部分:词汇 |
| 2. | Medical remote - controlled automatically - driven afterloading systems - part 2 : radiation protection rules for installation
医用遥控自驱动后负载系统.第2部分:安装的防辐射规则 |
| 3. | Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 5 : pressurization system test method
农林用拖拉机和自驱动机械.驾驶室环境.第5部分:增压系统试验方法 |
| 4. | Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 4 : air filter element test method
农林用拖拉机和自驱动机械.驾驶室环境.第4部分:空气过滤元件的试验方法 |
| 5. | Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 3 : determination of effect of solar heating
农林用拖拉机和自驱动机械.驾驶室环境.第3部分:太阳能加热效果的测定 |
| 6. | Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 2 : heating , ventilation and air - conditioning test method and performance
农林用拖拉机和自驱动机械.驾驶室环境.第2部分:加热通风和空调试验方法及性能 |
| 7. | The principles and characteristics of synchronous rectification ( sr ) are given , and advantages of self - driven sr in low power applications is detailed . review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed . the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull , half bridge , . . . ) . it allows for maintaining the srs on even when the voltage in the transformer is zero , which is impossible to do in traditional self - driven approaches
本文针对低压/大电流输出的小功率dc / dc变换器，围绕着变换器的效率问题，分析了同步整流的原理和特点，重点阐述了自驱动同步整流在低功率场合的优势，在分析比较了多种与自驱动同步整流相结合使用的电路拓扑后，指出常规的自驱动同步整流方案限制了与之结合使用的电路拓扑的范围这一局限性，从而给出了一种新颖的单绕组自驱动同步整流方案。 |
| 8. | And power loss analysis of srs and the layout design related to srs are very important to the proper design . with a small signal mathematic model of half - bridge converter , the relationship between performance of power supply and frequency domain characteristics of the system is analyzed . based on the above study and some simulation the system design is completed
文中在给出了结合单绕组自驱动方案的对称半桥变换器稳态原理分析、同步整流管损耗分析暨选择原则、同步整流管相关电路的布局设计后，建立了对称半桥变换器的小信号数学模型，分析了电源系统时域性能指标与频域特性之间的联系，在此基础上完成了系统的设计。 |
