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测定质子回旋磁比γ_p的最困难问题是螺线管几何尺寸的测量。要使其测量准确度达到10~(-7)以上,采用一般手动目测方法显然是不可能的。为此就必须采用一些特殊的测量方法并使其测量过程完全自动化。本文介绍了为高精度测定精密螺线管几何尺寸所用方法的基本原理及为达到此高精度测量目的所组建的一个自动测试系统。
The most difficult problem of measuring the proton gyromagnetic ratio γ_p is the measurement of the solenoid geometry. To make its measurement accuracy of 10 ~ (-7) or more, using the general manual visual method is obviously impossible. For this purpose, some special measuring methods have to be used and the measuring process is completely automated. This article describes the basic principles of the method used to determine precision solenoid geometry for high accuracy and an automated test system built to achieve this high accuracy measurement.