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该文简单阐述了80年代后期开始应用的一项高新技术全球定位系统(GPS)及其差分GPS的基本原理和概念,简要介绍了美国农业部林务局最近研究开发的一套新型的航空喷洒导航系统。希望借此文能够开阔思路,在充分考虑现有国情的基础上,努力借鉴国外的先进技术手段,为尽快提高我国森林病虫害防治的水平做出贡献。
This article briefly describes the basic principles and concepts of a high-tech global positioning system (GPS) and its differential GPS which began to be applied in the late 1980s. It briefly introduces a new type of aviation spraying recently developed and researched by the USDA Forest Service Navigation System. I hope this article can broaden my thinking and give full consideration to the existing national conditions. I will make every effort to learn from advanced foreign technologies and contribute to raising the level of prevention and control of forest pests and diseases in our country as soon as possible.