AvL Technologies Appendix D 인터페이스 및 참조 매뉴얼 - 페이지 13
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페이지 인쇄3.4. Feed Configuration Items
There are not Feed configuration items associated with this module.
4.
Functional Overview
When properly configured, the iDirect modem is fully integrated into the AvL AAQ's acquisition process, and can be used
as a signal source to acquire and track on satellite signals. Once the target satellite has been found, the modem will log
into the network and be ready to send traffic.
4.1. Acquisition Process
1.
Power up the antenna
2.
Command the antenna to acquire
The AAQ will initialize sensors, read the compass, then proceed to the first scan point
3.
The antenna detects a lock from the modem and stops
The Modem has detected the satellite carrier
The AAQ has stopped its scan
4.
The AAQ will coarse peak back to the signal
This is the initial coarse peak that will move through the entire beam
5.
Once coarse peaking has been completed, fine peaking will begin
This fine peaks the signal using small, slow movements
6.
AAQ will stop movement
The AAQ has enabled transmit on the modem
The Modem will log into the network and be ready to send traffic
AvL Technologies
Figure 9 - Acquire Command
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iDirect Modem
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