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本文是第二套“741”型弹道摄影经纬仪中心快门程序控制和显示研制报告的技术总结。首先介绍了中心快门程序控制的目的、设计方案的考虑,详细论述电路的工作原理和本装置实际所能编排的25种程序。论述中以最常用的程序——抹点程序系统作为介绍的中心,同时简单介绍了今后改进电路的设想以及本装置直接用于改造国内现有的苏制“φTC”弹道相机的可能性。
This article is the second set of “741” ballistic theodolite center shutter program control and display research report of the technical summary. First, the purpose of the center shutter program control, design considerations, detailed discussion of the working principle of the circuit and the device can actually be programmed 25 kinds of procedures. In the discussion, the most commonly used program - wiping point program system is introduced as a center, and the concept of circuit improvement in the future is introduced briefly. The possibility of using this device directly to retrofit the existing domestic “φTC” ballistic camera in China is briefly introduced.