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- W2347237612 abstract "Theodolites as primary measuring equipment of external trajectory often exchange data with the center of measure and control.Adoption of spread-spectrum communication technology realizes long-distance communication in theodolite external communication.This paper recommends the application of spread-spectrum communication technology in theodolite external communication.The principle and typical work modes of spread-spectrum communication are introduced,the material realization methods of several typical work modes are explained,and the characteristics,system constitute,using scheme and system join drawing of spread-spectrum communication technology are recommended chiefly.At last,the measure results are obtained by testing in shooting range.Communication distance is more than 30 kilometer,communication capacity of dynamic image is more than 2 Mbps,communication capacity of dynamic image is more than 38.4 kbps;communication time delay is less than 1 s.The testing results show that the spread-spectrum communication technology applies well in theodolite." @default.
- W2347237612 created "2016-06-24" @default.
- W2347237612 creator A5025998075 @default.
- W2347237612 date "2011-01-01" @default.
- W2347237612 modified "2023-09-27" @default.
- W2347237612 title "Application of Spread-spectrum Communication Technology to Theodolite External Communication" @default.
- W2347237612 doi "https://doi.org/10.3788/omei20112812.0057" @default.
- W2347237612 hasPublicationYear "2011" @default.
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