| 1. | The research and application of low - noise design technology based on the en - in model 模型的低噪声设计技术研究及应用 |
| 2. | Then how about this one ? it ' s low noise design , reduces the offensive operation noise to a minimum 那么这个可以吗?它的静音设计将恼人的运作声减至最低。 |
| 3. | Acoustics - recommended practice for the design of low - noise machinery and equipment - introduction to the physics of low - noise design 声学.低噪声机械和设备的设计推荐规程.低噪声设计的物理学说明 |
| 4. | Acoustics - recommended practice for the design of low - noise machinery and equipment - part 2 : introduction to the physics of low - noise design 声学.低噪音机械和设备设计用推荐标准.第2部分:低噪音设计的物理学说明 |
| 5. | The analysis and simulation to the mechanical vibration and noise is an important part of realizing low - noise design of mechanical product in the design stage 在设计阶段对机械的振动与噪声进行分析和仿真是实现机械产品低噪声设计的重要环节。 |
| 6. | Acoustics - recommended practice for the design of low - noise machinery and equipment - part 2 : introduction to the physics of low - noise design iso tr 11688 - 2 : 1998 ; german version en iso 11688 - 2 : 2000 声学.低噪声机械和设备推荐设计惯例.第2部分:低噪声 |
| 7. | At last , some low phase noise pll designs are to be presented by me to verify the theroies of low phase noise design . all in a word , this article provide some meaningfull instruction for low phase noise hopping frequency pll design 在本文的最后给出了几个低噪声锁相跳频源的设计实例,对低噪声锁相跳频源设计理论进行验证,且取得了很高的相噪指标,具有一定的指导意义和参考价值。 |
| 8. | How to reduce noise figure of operational amplifier are studied in this paper . through design of a low - noise opa , introduce low - noise design of the input stage in detail . and with the analysis of computer , suitable sizes of the input apparatus are choosed . at last , by simmulation and verification on this opa , the result is satisfied 研究了如何从电路结构上减少运算放大器的噪声,以一种低噪声运放为例,着重介绍输入级设计,并借助计算机分析选择合适的输入器件尺寸,最后通过对运放噪声的仿真验证,得到了满意的结果。 |
| 9. | With the improving level of people ' s life , noise of air - condition , which is one of symbols of high quality life , is attached more importance . as main noise source of air - condition , low noise design of refrigeration compressor has become one of research keystones of many research organizations and enterprises 随着人民生活质量的提高,作为现代生活高质量标志之一的空调器,其噪声越来越受到人们的重视,制冷压缩机作为空调的主要噪声源,其低噪声设计已经成为各大企业和研究机构研究的重点。 |
| 10. | Research of the vibration and radiation properties of assembled structures with cylindrical shells have been increasingly become an advanced subject , both for the widely application of rotative structures in the engineering systems , especially the cylindrical shells of the aircrafts , and the complex motion characteristics of cylinders . predicting the vibration and noise of assembled structures with cylindrical shells is key point to realize low - noise design of structures and cylindrical shells of aircrafts 工程实际中圆柱壳体的大量应用,特别是航行器设计中对壳体性能的要求,以及圆柱壳体自身复杂的运动特性,使圆柱壳组合结构振动和声辐射特性的研究日益成为振动和噪声控制领域的一项前沿性研究课题,实现对圆柱壳组合结构振动和噪声的预报是实现工程结构以及航行器壳体低噪声设计的关键环节。 |