high accuracy ranging system 高精度测距系统
Applications show that the method effectively increases orbit determination accuracy at low angular measurement accuracy and high ranging and range rate measurement accuracy.
工程实践应用表明，在测角精度比较低而测距、测速精度相对高的情况下，该方法可有效地提高轨道确定的精度。
The ultrasonic ranging is used to design the plane location system with a high accuracy.
将超声波测距技术应用于物体的平面定位中，设计具有精确度较高的平面定位系统。
Abstract: The high accuracy time interval measurement is a key technique to pulsed laser ranging. Therefore, a new high precision time interval measurement method is proposed.
摘要：高精度时间间隔测量对脉冲激光测距系统具有重要意义，为此提出了一种新的高精度时间间隔测量方法。
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