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9375MHz频率的太阳射电流量绝对测量
周树荣 ; 许富英 ; 于兴风
1991
Source Publication天文学报
ISSN0001-5245
Volume32Issue:3Pages:239-246
Abstract本文作者研制了一个大角锥喇叭天线和两个黑体箱,利用它测量了9375MHz频率上的太阳射电流量和校准了抛物面天线的增益.@@@@流量定标期间,角锥喇叭天线测得的流量与TYKW 9400MHz频率上的结果基本上一致,两者偏差约为±0.6%.流量测量精度为±3.5%(偶然差±1.3%,系统差±2.2%).@@@@抛物面天线增益为40.50±0.02db,抛物面天线温度与流量的转换因子为0.3139,按它计算的常规观测流量值与TYKW相比,比值为1.01,相关系数为0.95.@@@@测量结果表明:用最佳角锥喇叭天线观测太阳,和用两个不同温度的黑体源于天线口面进行温度定标,是太阳射电流量绝对定标和抛物面天线增益校准的最好最可靠的方法.
Keyword太阳 射电流量 绝对测量
Subject Area天文和天体物理
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/3896
CollectionPMO中文期刊
Recommended Citation
GB/T 7714
周树荣,许富英,于兴风. 9375MHz频率的太阳射电流量绝对测量[J]. 天文学报,1991,32(3):239-246.
APA 周树荣,许富英,&于兴风.(1991).9375MHz频率的太阳射电流量绝对测量.天文学报,32(3),239-246.
MLA 周树荣,et al."9375MHz频率的太阳射电流量绝对测量".天文学报 32.3(1991):239-246.
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