FREQUENCY RANGE(频率覆盖范围) 1.1定义：指收音机所能接收频率的范围，标准：520~1760KHZ(低端SPEC±10KHZ,高端±30KHZ,) 1.2测试方法及条件：调制频率1KHZ，调制...
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区别在于频谱分析仪被设计成是实验室使用，设计成是带有很大可调范围和带宽等并覆盖非常大频率范围的仪器。
The essential difference is that the spectrum analyzer, being designed for laboratory use, is designed to cover an extremely wide frequency range with widely adjustable tuning range, bandwidth, etc.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算，给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
探讨了系统容量、组网、覆盖范围、链路预测和频率规划等内容。
The capacity, network organizing, coverage, link budget and frequency planning are discussed.
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