C-Nav 2050M, Руководство пользователя

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C-Nav2050 User Guide
Binary Code is a system used in communication where
selected strings of 0’s and 1’s are assigned definite
meanings.
Binary Pu lse Code Modulation is a two-state phase
des.
hitworth (BSW) is a type of coarse
ard
ee Appendix C ).
US is a balanced (differential) 2-wire interface
en
h-frequency radio wave having at least
se),
GPS receiver consists of the
modulation using a string of binary numbers or co
The coding is generally represented by 1 and 0 with
definite meanings attached to each.
Bits per second see baud rate .
Broadcast Ephemeris is the ephemeris broadcast by
the GPS satellites.
British Standard W
screw thread. A 5/8” diameter BSW is the stand
mount for survey instruments. (1” Mount included).
C-Nav Correction Service is a set of real-time global
orbit and clock corrections for GPS satellites. C-Nav
equipped receivers are capable of real-time decimeter
positioning (s
C/A code see Coarse Acquisition code.
CAN B
that uses an asynchronous transmission scheme. Oft
used for communications in vehicular applications.
Carrier is a hig
one characteristic (frequency, amplitude, or pha
which may be varied by modulation from an accepted
value. In general, the carrier wavelength is much
shorter than the wavelength of the codes.
Carrier Beat Phase is the difference between the
phase of the incoming Doppler shifted satellite carrier
signal and the phase of the nominally constant
reference frequency generated in the receiver.
Channel a channel of a
circuitry necessary to receive the signal for a single
GPS satellite.
G-8