|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2006年11 期
| 標(biāo)題 |
| 鐵路測速裝置以時頻為統(tǒng)一量值溯源標(biāo)準(zhǔn)的必要性(34 卷) |
| 英文標(biāo)題 |
| The Necessity to Take Time Frequency as the Uniform Traceability Standard in Railway Velocity-measuring Devices |
| 摘要 |
| 以列車測速儀檢定裝置測量不確定度分析為典型，針對鐵路各種測速裝置量值溯源及準(zhǔn)確性評判存在的問題，通過分析指出時間頻率是其標(biāo)準(zhǔn)統(tǒng)一的關(guān)鍵基礎(chǔ)因素，并提出相關(guān)解決建議。 |
| 作者 |
| 新聞作者:付錦 |
| 關(guān)鍵字 |
