Earth station errors in two-way time and frequency transfer
نویسندگان
چکیده
منابع مشابه
Earth Station Errors in Two-Way Time and Frequency Transfer
We have investigated the earth station errors in two-way time transfer. A 3.7-m earth station and a very small aperture terminal earth station were used in these experiments along with a transponder located on a mountain about 10 km away. The temperature coefficient of the receive delay for the 3.7 m NIST earth station was ( 150 30) ps/K, and the temperature coefficient for the transmit delay w...
متن کاملProgress on Two-way Satellite Time Transfer using DPN Signals
The use of dual pseudo-random noise (DPN) signals for two-way satellite time and frequency transfer (TWSTFT) improves the time transfer precision such that it is approximately one order of magnitude better than that of conventional TWSTFT. The interference between the transmission signals must be considered to further improve the time transfer precision because the DPN signal uses very narrowba...
متن کامل: metadiscourse in introduction sections of applied linguistics and physics research articles: exploring variation in frequency and type
abstract in written mode of language, metadiscourse markers are used commonly to help writers in general and academic writers in particular to produce coherent and professional texts. the purpose of the present study was to compare introduction sections of applied linguistics and physics articles regarding their use of interactive and interactional metadiscourse markers based on the model pro...
15 صفحه اولTime and Frequency Transfer in Optical Fibers
The development towards more services in the digital domain, based on computers and server logs at different locations and in different networks, increases the need for high precision time indication. Even though GPS can support this with sufficient precision, many users do not have access to outdoor antennas. Furthermore, there is vulnerability in the weak radio-transmission from the satellite...
متن کاملFrequency of Errors in Clinical Laboratory Practice
Background and Objective: Laboratory errors are one of the major factors that affect the diagnosis, prognosis, treatment and monitoring in patients.The objective of study is to evaluate the frequency and type of errors in different phases of testing at the Pathology Department of the Shalamar Hospital, Lahore and to evaluate the causes of errors. Methods: This observational study was carrie...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Instrumentation and Measurement
سال: 1997
ISSN: 0018-9456
DOI: 10.1109/19.571813