Unattended ground sensor system based on fiber optic disk accelerometer

The basic principle and critical characteristics of unattended ground sensors (UGS) based on fiber optic disk accelerometers are introduced. Mechanical principles of fiber optic disk accelerometers (FODA) and calculation methods are presented. An FODA with a high sensitivity of 120rad/g and a resonance frequency of 300Hz is designed and used for detection in military affair.

用事态概念概括传统情态与时态的研究

本文在研究“事情”(affair)基本组成角色和因果关系的基础之上,提出将事情的发生可能性、发生、进展与结果状态概括为事态的概念并标记为state_of_affairs(4S体系的第四类符号),以它涵盖传统的情态(modality)与时态(tense)等概念.文中采取4S内涵表方法将事态表示为一系列的数字,在语言的可信赖翻译过程中,应该持有不变性,是一个需要认真分析和保持的不动点.