JPS6446670A - Satellite initial acquiring method - Google Patents
Satellite initial acquiring methodInfo
- Publication number
- JPS6446670A JPS6446670A JP20394587A JP20394587A JPS6446670A JP S6446670 A JPS6446670 A JP S6446670A JP 20394587 A JP20394587 A JP 20394587A JP 20394587 A JP20394587 A JP 20394587A JP S6446670 A JPS6446670 A JP S6446670A
- Authority
- JP
- Japan
- Prior art keywords
- acquisition
- satellite
- scan
- time
- acquiring method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
PURPOSE:To expand an acquisition range, to widen a search angle interval, and to shorten the time required for initial acquisition by lowering an alarm level set value at the time of the initial acquisition. CONSTITUTION:A scan is made from a scan start position 3 along a scan track 4 and a satellite is acquired at a satellite acquisition position 5. In this case, the alarm level set value at the time of the initial acquisition is set low, and the acquisition area 2 is set to theta1 larger than before. The interval of the scan track 4 is therefore widened and the time required to acquire the satellite is shortened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20394587A JPS6446670A (en) | 1987-08-17 | 1987-08-17 | Satellite initial acquiring method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20394587A JPS6446670A (en) | 1987-08-17 | 1987-08-17 | Satellite initial acquiring method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6446670A true JPS6446670A (en) | 1989-02-21 |
Family
ID=16482279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20394587A Pending JPS6446670A (en) | 1987-08-17 | 1987-08-17 | Satellite initial acquiring method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6446670A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5422648A (en) * | 1991-12-10 | 1995-06-06 | Nippon Steel Corporation | Receiving antenna apparatus for broadcast by satellite |
CN110308646A (en) * | 2018-03-20 | 2019-10-08 | 精工爱普生株式会社 | Electronic watch |
-
1987
- 1987-08-17 JP JP20394587A patent/JPS6446670A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5422648A (en) * | 1991-12-10 | 1995-06-06 | Nippon Steel Corporation | Receiving antenna apparatus for broadcast by satellite |
CN110308646A (en) * | 2018-03-20 | 2019-10-08 | 精工爱普生株式会社 | Electronic watch |
CN110308646B (en) * | 2018-03-20 | 2022-03-01 | 精工爱普生株式会社 | Electronic clock |
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