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VLBI 是在相距较远的两个观测点上同时接受同一射电源发射的电波,并准确地测量出电波到达这两个观测点的时间之差或求得两个接受波的相干性及相位差,然后推断各种物理量,获得有关射电源和传播信息的技术。VLBI
VLBI is in the two distant observation points at the same time receiving radio waves emitted by the same radio and accurate measurement of the arrival of radio waves at these two observation points of the time difference or to obtain the coherence of two wave reception and phase difference , Then infer a variety of physical quantities, access to radio sources and dissemination of information technology. VLBI