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magnitude standard
相关语句
  震级标准
     Correction of magnitude deviation of azimuth which are 81.7% of total stations,had improved the network magnitude standard deviation remarkably,the average standard deviation had decreased from 0.243 to 0.168.
     子台方位的震级偏差校正,台网震级标准误差显著改善样本数占81.7%,平均标准误差由0.243下降到0.168。
短句来源
  “magnitude standard”译为未确定词的双语例句
     Treatment parameter: sparse-dense wave; 20 Hertz of frequency; the strength magnitude standard by the needle handle slightly vibrate, and patients can tolerance.
     治疗参数:疏密波,频率20赫兹,强度以针柄轻微颤动,患者能耐受为度。
短句来源
     Whit statistical comparison of the magnitude determined with two forms, it was believed that the magnitude determined with digital record is larger than that of the analogues in near earthquakes, and the magnitude in far earthquakes are fitted in the seismic magnitude standard of China.
     对两种记录计算的地震震级进行了对比与统计分析,发现数字记录近震的震级比远震的偏差要大,远震震级可直接与全国地震目录接轨。
短句来源
  相似匹配句对
     Which is the standard?
     采用什么标准评价?
短句来源
     Standard
     标准
短句来源
     For the corrected magnitude, the standard error is obviously decreased.
     通过台基校正后的震级,标准误差明显下降。
短句来源
     Nanometer Magnitude Evaluation of Cylindricity Measuring Standard
     圆柱度计量标准的纳米级评定
短句来源
     Earthquake magnitude
     地震的震级
短句来源
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  magnitude standard
The accuracy of realization is improved by two orders of magnitude (standard deviation 5-10-8, residual systematic error 2·10-7).
      


Volumetric strainmeters can record large earthquakes all over the world. Based on the waveforms of the large earthquakes all over the world recorded by the Jiangsu Digital Volumetric Strain Network, methods for determining the seismic coda's decay law, magnitude formula of the network, standard deviations of magnitudes and station correction values are given.Using these methods a value of 1.415 is obtained for the decay coefficient k in the empirical formula of lgA=G-klgτ, which characterizes the dieaway...

Volumetric strainmeters can record large earthquakes all over the world. Based on the waveforms of the large earthquakes all over the world recorded by the Jiangsu Digital Volumetric Strain Network, methods for determining the seismic coda's decay law, magnitude formula of the network, standard deviations of magnitudes and station correction values are given.Using these methods a value of 1.415 is obtained for the decay coefficient k in the empirical formula of lgA=G-klgτ, which characterizes the dieaway of the double amplitudes A of the seismic coda with the coda's elipse time τ(beginning from the Pwave on a short period seismograph). The following expression is obtained as the coda wave magnitude formula for the strain network taking the M(PEK) magnitude as magnitude standard: MDC=402+104lgτ+074lgA±002. The station correction values of magnitude are given for the five volumetric strain stations in Jiangsu Province. The magnitude values are calculated for 35 earthquakes occurring all over the world in the recent several years with an average standard magnitude deviation of 011.The accuracy of MDC determination for great earthquakes of magnitude above 76 is improved based on the multipoint measurement of coda waves. No magnitude saturation problem exists when this method is used to determine the magnitudes of great earthquakes all over the world.

 体积式应变仪能记录全球大震,根据江苏体应变数字台网记录的全球大震波形,给出了测定地震尾波衰减系数、台网震级公式、震级标准差以及单台校正值的方法。由衰减经验关系lgA=G-klgτ导出的地震尾波应变双振幅A随尾波推移时间τ的衰减系数k=1.415,并取得以M(PEK)震级为基准的地震尾波应变台网震级公式MDC=4.02+1.04lgτ+0.74lgA±0.02,给出了江苏5个体应变台站的震级校正值,计算了近年内全球发生的35个地震震级值,平均震级标准差为0.11。尾波多点测量改善了7.6级以上大震MDC的精度,用该方法测量全球大震不存在震级"饱和"问题。

According to the comparison and analysis of many earthquake events of digital records and analogue records of Huichang seismic station, it was realized that the former has obvious advantage of boarder bandwidth, more earthquake information, better seismic waveform and more convenient for operation. The analogue recording form should be instead of the digital on totally. Whit statistical comparison of the magnitude determined with two forms, it was believed that the magnitude determined with digital record is...

According to the comparison and analysis of many earthquake events of digital records and analogue records of Huichang seismic station, it was realized that the former has obvious advantage of boarder bandwidth, more earthquake information, better seismic waveform and more convenient for operation. The analogue recording form should be instead of the digital on totally. Whit statistical comparison of the magnitude determined with two forms, it was believed that the magnitude determined with digital record is larger than that of the analogues in near earthquakes, and the magnitude in far earthquakes are fitted in the seismic magnitude standard of China.

通过会昌台数字与模拟地震记录到的多个地震事件进行对比分析,认为前者在记录带宽、获取更多的地震动物理量、记录波形能力及可操作性等方面具有显著的优势,数字观测完全可以取代模拟观测;对两种记录计算的地震震级进行了对比与统计分析,发现数字记录近震的震级比远震的偏差要大,远震震级可直接与全国地震目录接轨。

Using the digital data recordings by Shanxi Digital Seismic network and adopting network average magnitude as standard magnitude,we had analyzed deviation of determination of local earthquake magnitude.The results indicate that magnitude deviations are related to epicentral distance within the 150 km,and not obvious when over the 150 km.The station deviation is positive value for Heyang,Pucheng and Huayin substations,is negative value for Ankang,Hanzhong and Binxian,is not obvious for others.The deviations is...

Using the digital data recordings by Shanxi Digital Seismic network and adopting network average magnitude as standard magnitude,we had analyzed deviation of determination of local earthquake magnitude.The results indicate that magnitude deviations are related to epicentral distance within the 150 km,and not obvious when over the 150 km.The station deviation is positive value for Heyang,Pucheng and Huayin substations,is negative value for Ankang,Hanzhong and Binxian,is not obvious for others.The deviations is significant with seismic azimuth,and there are similar characteristics of region. Correction of magnitude deviation of azimuth which are 81.7% of total stations,had improved the network magnitude standard deviation remarkably,the average standard deviation had decreased from 0.243 to 0.168.

使用陕西数字地震台网数字地震记录资料,以台网平均震级为标准震级,分析各子台的震级偏差。结果表明,在150km震中距范围,子台测定震级偏差随震中距增大而减小,大于150km,震级偏差不明显。合阳、蒲城、华阴子台台基影响为正值,安康、汉中、彬县子台台基影响为负值,其他子台影响较小。震级偏差随方位角变化是明显的,且具有区域性相似特征。子台方位的震级偏差校正,台网震级标准误差显著改善样本数占81.7%,平均标准误差由0.243下降到0.168。

 
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