| 1. | A simulation study of velocity precision for the temporal correlation log 时间相关计程仪测速精度的仿真研究 |
| 2. | High accuracy and deep range are the goal of doppler log researching 更高的测速精度和更深的工作深度成为了多普勒计程仪发展的趋势。 |
| 3. | Successive - frame particle match approach was implemented to ensure high measurement precision 实现了实时图像序列的逐帧粒子匹配方法以保证测速精度。 |
| 4. | Doppler log has accurate velocity information and can measure the ship ' s velocity relative to the sea bed 多普勒计程仪具有测速精度高,并能够测得相对于海底的速度的特点。 |
| 5. | Abstract : doppler navigation is a kind of independent navigational system , but its real - time speed measuring precision is comparatively low 文摘:多卜勒导航是一种自主式的导航系统,但其实时测速精度较低。 |
| 6. | In order to get a higher precision , a late - model 23 - digit angle coder is designed . this angle coder acts as the feedback sensor for velocity and position 为提高测速精度,本文设计了一种新型23位角编码器,作为速度和位置反馈传感器。 |
| 7. | This system possesses many specialties including display aim taking on tv set , loading forms quickly , visual display , measurment speed in a high precision , decoding quickly , all - weather work etc 系统具有电视观瞄、快速装表、直观显示、测速精度高、解算速度快、全天候等特点。 |
| 8. | The realization of this system can act as a useful instrument for short periodic readjustment in ins . doppler velocimeter is an ideal apparatus for underwater velocity measurements for submarine 多普勒测速仪是很理想的潜艇水下测速设备,但要获得最理想的测速精度不能只考虑测速仪本身的硬件工作性能。 |
| 9. | By computer simulation , the results shows that when the baseline length is longer , the accuracy of speed measurement is better , and in the same time , the range of speed measurement is also narrower 分析结果表明:基线长度影响测速精度,基线越长,测速精度越高,但测速范围也越小,并且为提高测速精度,基线变化必须进行合理修正。 |
| 10. | 2 ) this paper research mainly the influence of the cluster satellite circumnavigation 、 earth - rotation 、 satellite attitude to the baseline variation and the speed measurement accuracy , and give the correcting mathematical formula and the relative curvature 2 ) 、着重分析分布式卫星sar系统中卫星环绕、地球自转、卫星姿态对基线、测速精度的影响,并绘出了相应的数学模型及关系曲线。 |