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Experimental verification of noncoherent Doppler tracking at the Deep Space Network

机译:深空网络中非相干多普勒跟踪的实验验证

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A recently developed noncoherent Doppler tracking technique has been experimentally verified at the NASA Deep Space Network (DSN) Test Facility. This technique permits highly accurate two-way Doppler measurements to he made with a simple transceiver system. The accuracy goal of 0.1 mm/s has been verified as well as the compatibility of the technique with the equipment, practices, and the radiometric file formats used by the DSN. The test setup and measured system performance are described. Several test conditions were varied including signal level, transceiver oscillator frequency drift, physical movement, and telemetry bit rate. A side-by-side comparison of the performance with a coherent transponder was also obtained.
机译:NASA深空网络(DSN)测试设施已通过实验验证了最近开发的非相干多普勒跟踪技术。这种技术允许使用简单的收发器系统进行高精度的双向多普勒测量。已经验证了0.1 mm / s的精度目标,以及该技术与DSN使用的设备,实践和辐射文件格式的兼容性。描述了测试设置和测得的系统性能。改变了几个测试条件,包括信号电平,收发器振荡器频率漂移,物理运动和遥测比特率。还获得了相干应答器性能的并排比较。

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