传统的频谱分析仪功能单一、价格昂贵、使用不灵活，已不能满足现代测试信号的分析要求。
The analysis requirement that the traditional virtual spectrum analyzer which has unitary function and expensive price and has not flexible use can not already satisfy modern test signal.
传统的频谱分析仪功能单一、价格昂贵、使用不灵活，已不能满足现代测试信号的分析要求。
The analysis requirement that the traditional virtual spectrum analyzer which has unitary function and expensive price and has not flexible use can not already satisfy modern test signal.
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