GIS误差还包括时效误差、逻辑一致性误差和数据完整性方面的误差。
GIS errors also include secular errors, logical errors and other errors in data completeness.
给出数字正交解调后输出I、Q两路信号的幅度一致性误差和相位正交性误差的测试方法和测试结果；
Realize digital orthogonal demodulation; the method and results of amplitude consistence and phase orthogonality of the I, Q signal have been given;
但由于制造过程中的波动误差，人们难以达到所需的一致性。
But fluctuations in the manufacturing process make the required consistency hard to achieve.
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