Error correct formulae of low signal to noise ratios measurement are derived on a spectrum analyzer, the experiment results are reported to verify the correctness of 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。
Compared with the ideal model, correctness of 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。
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.
采用动态应变测试和试验模态分析法对QTZ80型塔式起重机进行振动测试和分析，并通过实验结论验证其理论分析的正确性。
应用推荐