| 1. | Tunnel section laser distance measuring instrument
隧道断面测量仪中的激光测距 |
| 2. | Specification on calibration of electro - optical distance measuring instrument
光电测距仪检定规范 |
| 3. | Microwave distance measuring instrument
微波测距仪 |
| 4. | Field procedure for precision testing of surveying instruments ; optical distance measuring instruments
测量仪器精度检验的野外作业法.光学测距仪 |
| 5. | Field procedure for precision testing of surveying instruments ; electro - optical distance measuring instruments for short ranges
测量仪器精度检验的野外作业法.近距离用电子光学测距 |
| 6. | With the quick development of the space navigation in 1990s , there has a higher requirement to the electronic pulse measure circuit of time interval which is the key component of the distance measure instruments
90年代以来，随着我国宇航事业的高速发展，人们对测距仪的核心部件? ?电脉冲时间间隔测定器的要求越来越高。 |
| 7. | The distance measure instruments made by traditional bulk silicon cmos process is not able to work in the hard environment because of the restriction of the bulk silicon material structure . the environment of the space radiation and high temperature will degrade the measure precise and the work speed of the instruments
传统的体硅cmos工艺制造的测距仪由于体硅材料和器件结构的限制，无法工作在恶劣的环境下，空间的辐射、温度的升高等都会导致器件和电路的性能急剧恶化，测量精度和工作速度下降，不能满足宇航事业的要求。 |
