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本文通过详细论述我国研制的可移式激光绝对重力仪的电子测量系统,着重介绍了一种提高测量精确度的新颖方法——符合测量法。论证了这一方法应用于绝对重力仪的可能性和意义,给出了实际方案和关键电路。对测量误差进行了估算,并与实验结果做了比较。实践证明,这种方法具有精确度高、成本低、简单可靠的优点,对其它类似的测量系统有普遍意义。
This paper discusses in detail the electronic measuring system of portable laser absolute gravimeter developed in our country, emphasizing a novel method to improve the measuring accuracy - conforming to the measuring method. The feasibility and significance of applying this method to absolute gravimeter are demonstrated. The actual schemes and key circuits are given. The measurement error was estimated and compared with the experimental results. Practice has proved that this method has the advantages of high accuracy, low cost, simple and reliable, for other similar measurement system has universal significance.