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幅度均方差
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In this paper, data of the total flux observations of the sun at λ 3.2cm obtained in the Nanjing Univ. Department of Astronomy (N. U. A) during the years 1980—1981 have been analysed. Correlation analysis of the N. U. A. records as against TYKW(Toyokawa Obs., Nagoya Univ., Toyokawa, Japan) shows that in the course of one month, the relative residual standard deviation difference between the daily flux values amounts to ±1.06%- ±3.03%, giving a mean value ±1.867%. The accuracy of observed values is stable. The...

In this paper, data of the total flux observations of the sun at λ 3.2cm obtained in the Nanjing Univ. Department of Astronomy (N. U. A) during the years 1980—1981 have been analysed. Correlation analysis of the N. U. A. records as against TYKW(Toyokawa Obs., Nagoya Univ., Toyokawa, Japan) shows that in the course of one month, the relative residual standard deviation difference between the daily flux values amounts to ±1.06%- ±3.03%, giving a mean value ±1.867%. The accuracy of observed values is stable. The anologous results have been obtained from the error analysis. The mean ratio of solar flux densities between NUA9375 and TYKW9400 is linearly correlated with mean end temperature during a month. This indicates that observation values have a seasonal variation. Annual variation of the ratio is caused by the annual variation of back ground radiation, gain of the parabolaid antenna and atmospheric obsorption. The corrections to the antenna temperature caused by the absorption in a dark or awet day, pointing errors and gain shift have been obtained from the measurements and data analyses. They have been applied to the observed values. Comparing with the TYKW, One find that all the major bursts have been recorded with peak time deviation of ±0.15 min., and rms of relative peak intensity of ±20%.

本文分析了1980年和1981年两年间3.2厘米波太阳射电总辐射观测资料。以日本TYKW的3.2厘米波的每日流量密度作比对标准,相关分析表明,一月中各日间的相对剩余标准差为±1.06%—±3.03%,平均为±1.89%,观测精度稳定。并作了误差分析,结果类似。月平均比与月平均终端温度有线性相关,这表明观测值有周年季节性变化,这可能与背景辐射,天线增益,大气吸收的季节变化有关。我们从测量和资料分析中得出了阴雨吸收和指向误差,增益漂移等造成的天线温度修正值。并对实测值进行了改正。与TYKW的相应爆发比对,大爆发无遗漏,个别图形欠完整,记录幅度的均方差平均为±20%,峰值时刻的变幅为±O.15分。南京大学天文系射电观测小组自1979年以来参加了太阳活动第21周的峰年观测,现将1980年至1981年期间的观测资料作一分析。

In this paper, data of the total flux observations of the sun at λ 3.2cm obtained in the Nanjing Univ. Department of Astronomy (N. U. A) during the years 1980—1981 have been analysed. Correlation analysis of the N. U. A. records as against TYKW(Toyokawa Obs., Nagoya Univ., Toyokawa, Japan) shows that in the course of one month, the relative residual standard deviation difference between the daily flux values amounts to ±1.06%-±3.03%, giving a mean value ±1.867%. The accuracy of observed values is stable. The...

In this paper, data of the total flux observations of the sun at λ 3.2cm obtained in the Nanjing Univ. Department of Astronomy (N. U. A) during the years 1980—1981 have been analysed. Correlation analysis of the N. U. A. records as against TYKW(Toyokawa Obs., Nagoya Univ., Toyokawa, Japan) shows that in the course of one month, the relative residual standard deviation difference between the daily flux values amounts to ±1.06%-±3.03%, giving a mean value ±1.867%. The accuracy of observed values is stable. The anologous results have been obtained from the error analysis. The mean ratio of solar flux densities between NUA9375 and TYKW9400 is linearly correlated with mean end temperature during a month. This indicates that observation values have a seasonal variation. Annual variation of the ratio is caused by the annual variation of back ground radiation, gain of the parabolaid antenna and atmospheric obsorption. The corrections to the antenna temperature caused by the absorption in a dark or awet day, pointing errors and gain shift have been obtained from the measurements and data analyses. They have been applied to the observed values. Comparing with the TYKW, One find that all the major bursts have been recorded with peak time deviation of ±0.15 min., and rms of relative peak intensity of ±20%.

本文分析了1980年和1981年两年间3.2厘米波太阳射电总辐射观测资料。以日本TYKW的3.2厘米波的每日流量密度作比对标准,相关分析表明,一月中各日间的相对剩余标准差为±1.06%——±3.03%,平均为±1.89%,观测精度稳定。并作了误差分析,结果类似。月平均比与月平均终端温度有线性相关,这表明观测值有周年季节性变化,这可能与背景辐射,天线增益,大气吸收的季节变化有关。我们从测量和资料分析中得出了阴雨吸收和指向误差,增益漂移等造成的天线温度修正值。并对实测值进行了改正。与TYKW的相应爆发比对,大爆发无遗漏,个别图形欠完整,记录幅度的均方差平均为±20%,峰值时刻的变幅为±0.15分。南京大学天文系射电观测小组自1979年以来参加了太阳活动第21周的峰年观测,现将1980年至1981年期间的观测资料作一分析。

 
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