检定接收机内部噪声一般采用零基线法。
Testing receiver's internal noise from zero baseline tests is recognized by many people.
所谓“零基线”检验，就是将两台GPS接收机通过“功率分配器”连接到同一副gps接收机天线上，并进行差分定位测量。
"Zero-baseline Test" refers to the experiment that links two GPS receivers with the same antenna element through a "Power distributor" and conduct the difference positioning.
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