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.
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。
Unlike a spectrum analyzer, an RF power analyzer is optimized for high-volume production testing and features a wide dynamic power measurement range.
不同于频谱分析仪，功率分析仪被优化成适用于高产量测试和带有非常大的动态功率测量范围。
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