JJG 292-1996 铷原子频率标准检定规程.pdf

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1、中华人民共和国国家计量检定规程JJG292-19%钩原子频率标准RubidiumFrequencyStandards1996一05一25发布1997一03一01实施国家技术监督局发布JJG292-1996铆原子频率标准检定规程岌.。尹0.0.~0.0.0.O.0.钾补0.0.0.0..宁，，夕。JJG292-1996VerificationRegulationof代替JJG292-1982.?、.o"o.o.o.o.o.o.ow.o.o.o.0.0"4RubidiumFrequencyStand

2、ards本检定规程经国家技术监督局于1996年05月25日批准，并自1997年03月01日起施行。归口单位:中国计量科学研究院起草单位:中国计量科学研究院本规程技术条文由起草单位负责解释标准分享网www.bzfxw.com免费下载JJG292-1996本规程主要起草人:赵良弼(中国计量科学研究院)黄玲妹(中国计量科学研究院)JJG292-1996目录一概述·······································································

3、················⋯⋯(1)二技术要求·......................................................................................(1)三检定条件·......................................................................................(2)四检定项目和检定方法·............................

4、...........................................(2)(一)外观及工作正常性·······························································⋯⋯(2)(二)开机特性···········································································⋯⋯(3)(三)漂移率································

5、··············································⋯⋯(3)(四)时域频率稳定度··································································⋯⋯(5)(五)频域频率稳定度··································································⋯⋯(7)(六)频率复现性·····························

6、···········································⋯⋯(8)(七)谐波及非谐波分量·······························································⋯⋯(8)(八)频率准确度的校准和测量······················································⋯⋯(8)五检定结果的处理和检定周期·....................................

7、..........................(8)标准分享网www.bzfxw.com免费下载JJG292-1996钢原子频率标准检定规程本规程适用于使用中和修理后的伽原子频率标准(以下简称铆频标)的检定。概述1铆频标是一种被动型原子频标，是利用伽同位素Rbs7原子基态超精细结构中(0-0)跃迁微波谱线的中心频率，去控制晶体振荡器频率，从而得到高稳定度的标准频率源。它属于频率准确度需要定期校准的二级标准频率源，广泛应用于工程、科研及计量等领域。二技术要求2输出频率:1MHz,5MHz,1

8、0(或0.1)MHz;3频率漂移率3.1日漂移率Da:1x10一“一6x10一‘3,3.2月漂移率Dm:1x10一‘0一1x10一“;4时域频率稳定度v,,(r)如表to取样时间:o,(r)is5x10一11一5x10一1210s2x10一11一2x10一12100s5x10一12一5x10一131d1x10一I1一1x10一125频域频率稳定度Y(f)如表206频率复现性R:(5一2)x10一“。7开机特性V:开机t。小时后，优于5X10-'1;t，及进入稳定的工作时间tw按产品说明书规定。8