噪声测试系统精度有源-无源联合测量评估方法
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顾易帆,王立平,丁旭,王志宇,莫炯炯,郁发新
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Active-passive joint measurement and evaluation method for precision of noise test system
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Yi-fan GU,Li-ping WANG,Xu DING,Zhi-yu WANG,Jiong-jiong MO,Fa-xin YU
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| 表 1 6 dB衰减器噪声系数计算值 |
| Tab.1 Calculation values for noise figure of 6 dB attenuator |
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| ΔNtotal/dB | ΔNLNA/dB | ΔLatt/dB | Natt*/dB | | –0.1 | –0.1 | –0.1 | 6.28 | | –0.1 | –0.1 | 0 | 6.00 | | –0.1 | –0.1 | 0.1 | 5.70 | | –0.1 | 0 | –0.1 | 5.90 | | –0.1 | 0 | 0 | 5.59 | | –0.1 | 0 | 0.1 | 5.24 | | –0.1 | 0.1 | –0.1 | 5.48 | | –0.1 | 0.1 | 0 | 5.12 | | –0.1 | 0.1 | 0.1 | 4.72 | | 0 | –0.1 | –0.1 | 6.63 | | 0 | –0.1 | 0 | 6.38 | | 0 | –0.1 | 0.1 | 6.10 | | 0 | 0 | –0.1 | 6.29 | | 0 | 0 | 0 | 6.00 | | 0 | 0 | 0.1 | 5.69 | | 0 | 0.1 | –0.1 | 5.90 | | 0 | 0.1 | 0 | 5.58 | | 0 | 0.1 | 0.1 | 5.22 | | 0.1 | –0.1 | –0.1 | 6.97 | | 0.1 | –0.1 | 0 | 6.73 | | 0.1 | –0.1 | 0.1 | 6.48 | | 0.1 | 0 | –0.1 | 6.65 | | 0.1 | 0 | 0 | 6.39 | | 0.1 | 0 | 0.1 | 6.10 | | 0.1 | 0.1 | –0.1 | 6.29 | | 0.1 | 0.1 | 0 | 6.00 | | 0.1 | 0.1 | 0.1 | 5.68 |
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