Error correct formulae of low signal to noise ratios measurement are derived on a spectrum analyzer, the experiment results are reported to verify the correctnessof theory calculation.
导出了频谱仪测量低信噪比时的误差修正公式,并用实验结果验证了理论计算的正确性。
2
Compared with the ideal model, correctnessof the measurement model is verified by the error model.
利用测量机的误差模型验证测量模型的正确性,并与理想模型进行比较。
3
Vibration measurement and analysis of QTZ80 tower crane is conducted through dynamic strain test and experimental mode analysis. The correctness of theoretical analysis has been proved by the results.