JP2012205213A5

JP2012205213A5 -

Info

Publication number: JP2012205213A5
Application number: JP2011069989A
Authority: JP
Filing date: 2011-03-28
Publication date: 2014-03-27
Anticipated expiration: 2031-03-28

Description

１一次放射器、２副反射鏡、
３副反射鏡、４主反射鏡、
５給電回路、６ＬＮＡ、
７ＬＮＡ、８受信回路、
９アンテナ追尾回路、１０駆動制御回路、
１１アンテナ駆動機構、１２調整用アンテナ、
１２Ａ調整用アンテナ、１２Ｂ調整用アンテナ、
１３信号発生器、１４移動物体、
１５和信号、１６差信号、
１７仰角誤差信号、１８方位角誤差信号、
１９移動物体からの電波、２０調整用信号、
２１周波数変換器、２２可変遅延回路、
２３可変遅延回路、２４角度誤差検出回路、
３０ π／２移相器、３１乗算器、
３２乗算器、３３低域通過フィルタ、
３４低域通過フィルタ、４０切替えスイッチ。 1 primary radiator, 2 sub-reflector,
3 sub-reflector, 4 main reflector,
5 feeding circuit, 6 LNA,
7 LNA, 8 receiving circuit,
9 Antenna tracking circuit, 10 Drive control circuit,
11 antenna drive mechanism, 12 antenna for adjustment,
12A adjustment antenna, 12B adjustment antenna,
13 signal generator, 14 moving object,
15 sum signal, 16 difference signal,
17 Elevation angle error signal, 18 Azimuth angle error signal,
19 Radio waves from moving objects, 20 Adjustment signals,
21 frequency converter, 22 variable delay circuit,
23 variable delay circuit, 24 angle error detection circuit,
30 π / 2 phase shifter, 31 multiplier,
32 multiplier, 33 low-pass filter,
34 low-pass filters, 40 changeover e switch.

Claims

The adjusting antenna is a plurality of antennas connected to the signal generator via a selector switch, each of said antenna is installed at a position different visual angle on the on the elevation axis and the azimuth axis, the by obtaining switching a plurality of adjusting the antenna, the error signal in the case of radiating the adjustment signal and the location on the main reflector of the adjusting antenna from the adjusting antenna is measured, the elevation axis of the main reflector The tracking error according to claim 1, wherein the normalization error sensitivity in the elevation direction and the azimuth direction is estimated from the measurement result when the adjustment signal is radiated from the adjustment antenna on the azimuth axis. Antenna device adjustment method.