low q-value 低q值
With forward modeling, this paper studied in detail the effects of irregular surface, low velocity layer, and Q value on reflections.
以正演模拟为研究手段，通过对一系列模型的数值模拟，详细分析了起伏地表、低降速带和Q值对反射波的影响。
The low cost, compact size and high performance of Q-band multiplier with high project value is still unreported in china.
低成本、小型化、高性能的Q波段倍频源目前在国内还未见相关报道，具有很高的工程应用价值。
Compared with these traditional transmission lines, SIW have these favorable characteristics of low loss, high Q value, and small size.
相对于这些传统的传输线，SIW等基片集成波导具有低损耗、品质因数高、尺寸小等众多优点。
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