| 1. | Therefore the development of the drive circuit of the lamp , namely ballast has become an important research point
因此，与之相配套的高强度气体放电灯电子镇流器的开发也成为了研究热点。 |
| 2. | High intensity discharge lamps ( hid ) have gradually taken the place of standard halogen bulb lamps in automobile lamps
摘要hid （高强度气体放电灯）正逐步取代卤素灯成为主要的汽车前照灯光源。 |
| 3. | The acoustic resonance phenomenon in high intensity gaseous discharge lamps hinders the extension and application of electronic ballasts
摘要高强度气体放电灯中的声谐振现象阻碍了电子镇流器的推广应用。 |
| 4. | As a high efficacy long life time lighting source , high intensity discharge ( hid ) lamp plays an important role in it
作为一种高效、长寿命的新型电光源高强度气体放电灯在绿色照明工程中扮演了重要的角色。 |
| 5. | There are acoustic resonance phenomena in hid lamps when driven at high frequency , which prohibits the developments of electronic ballast of hid lamps
高强度气体放电灯在高频工作时特有的声谐振现象大大阻碍了高强度气体放电灯电子镇流器的发展。 |
| 6. | Easy to dim is a superiority of electronic ballast to em ballast and the lamp should be dimmed in many circumstances due to different intentions
在很多场合出于不同的原因需要对高强度气体放电灯进行调光，这也是电子镇流器相对于电感式镇流器的一大优点。 |
| 7. | As the development of green lighting project , the high intensity discharge ( hid ) lamp is drawing close attention due to its energy saving and high lighting efficiency
随着绿色照明工程的发展，高强度气体放电灯作为一种节能、高效的新型电光源，正越来越显示出其优越性。 |
| 8. | Abstract : the shaped technique of the electric arc tube s shell with neck , which is used in the small power metal - halide lamp , is introduced in this paper
摘要:超小功率高强度气体放电灯电弧管电极极间距误差要求小，二电极对中要求高，所以采用在电弧管泡壳两端加缩颈来定位电极。 |
| 9. | At the beginning of the thesis , the operation principles of hid lamp as well as the ballast are introduced . experimental comparison between em ballast and electronic ballast is conducted to analyze the advantage and disadvantage of each of them
论文绪论部分简要介绍了高强度气体放电灯和镇流器的基本原理，并对电感式镇流器和电子镇流器进行了简单的实验对比，分析了电子镇流器的优越性。 |
| 10. | At the beginning of the thesis , characteristics of different lighting sources , especially the electronic characteristics of hid lamps , are introduced . the operation principles , superiority and developments of electronic ballast are also presented
论文的绪论部分简要地介绍了电光源的分类及特点，着重介绍了高强度气体放电灯的电特性，并讲述了电子镇流器的工作原理、优越性及其最新的发展动态等。 |
