JP2005117107A5 - - Google Patents

Download PDF

Info

Publication number
JP2005117107A5
JP2005117107A5 JP2003344973A JP2003344973A JP2005117107A5 JP 2005117107 A5 JP2005117107 A5 JP 2005117107A5 JP 2003344973 A JP2003344973 A JP 2003344973A JP 2003344973 A JP2003344973 A JP 2003344973A JP 2005117107 A5 JP2005117107 A5 JP 2005117107A5
Authority
JP
Japan
Prior art keywords
transmission
level
circuit
transmission source
reception
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.)
Granted
Application number
JP2003344973A
Other languages
Japanese (ja)
Other versions
JP2005117107A (en
JP4282429B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2003344973A priority Critical patent/JP4282429B2/en
Priority claimed from JP2003344973A external-priority patent/JP4282429B2/en
Publication of JP2005117107A publication Critical patent/JP2005117107A/en
Publication of JP2005117107A5 publication Critical patent/JP2005117107A5/ja
Application granted granted Critical
Publication of JP4282429B2 publication Critical patent/JP4282429B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Claims (4)

信号を送受信する複数個のアンテナ素子と、
これら複数個のアンテナ素子に対応して設けられ送信源信号及び受信信号を増幅するとともにこれら信号の位相を制御する複数個の送受信モジュールと、
これら複数個の送受信モジュールに前記送信源信号を分配して供給するとともに前記複数個の送受信モジュールからの前記受信信号を合成する分配合成器と、
この分配合成器に前記送信源信号を供給する前置励振回路と
を備えたアクティブフェーズドアレイアンテナ装置において、
前記前置励振回路から前記分配合成器に供給される前記送信源信号のレベルを制御することにより、前記複数個の各送受信モジュールから前記複数個の各アンテナ素子に供給される送信信号のレベル変動を補償することを特徴とするアクティブフェーズドアレイアンテナ装置。 A plurality of antenna elements for transmitting and receiving signals,
A plurality of transmission / reception modules provided corresponding to the plurality of antenna elements to amplify the transmission source signal and the reception signal and control the phase of these signals;
A distribution synthesizer for distributing and supplying the transmission source signals to the plurality of transmission / reception modules and synthesizing the reception signals from the plurality of transmission / reception modules;
In an active phased array antenna apparatus comprising a pre-excitation circuit for supplying the transmission source signal to the distribution synthesizer,
By controlling the level of the transmission source signal supplied from the pre-excitation circuit to the distribution synthesizer, the level fluctuation of the transmission signal supplied from the plurality of transmission / reception modules to the plurality of antenna elements is controlled. An active phased array antenna device characterized by compensating for 前記送信源信号のレベル制御は、前記複数個の送受信モジュールのいずれか1つの温度変化に基づいて行なわれる制御を含むことを特徴とする請求項1に記載のアクティブフェーズドアレイアンテナ装置。   2. The active phased array antenna device according to claim 1, wherein the level control of the transmission source signal includes control performed based on a temperature change of any one of the plurality of transmission / reception modules. 信号を送受信する複数個のアンテナ素子と、
これら複数個のアンテナ素子に対応して設けられ送信源信号及び受信信号を増幅するとともにこれら信号の位相を制御する複数個の送受信モジュールと、
これら複数個の送受信モジュールに前記送信源信号を分配して供給するとともに前記複数個の送受信モジュールからの前記受信信号を合成する分配合成器と、
この分配合成器に所定のレベルに制御された前記送信源信号を供給する前置増幅回路と、
この前置増幅回路から前記分配合成器への前記送信源信号のレベルをモニタするレベルモニタ回路と、
このレベルモニタ回路からのモニタ結果に基づいて前記前置増幅回路から前記分配合成器に供給される前記送信源信号が前記所定のレベルとなるように前記前置増幅回路を制御するレベル制御回路と
を有することを特徴とするアクティブフェーズドアレイアンテナ装置。 A plurality of antenna elements for transmitting and receiving signals,
A plurality of transmission / reception modules provided corresponding to the plurality of antenna elements to amplify the transmission source signal and the reception signal and control the phase of these signals;
A distribution synthesizer for distributing and supplying the transmission source signals to the plurality of transmission / reception modules and synthesizing the reception signals from the plurality of transmission / reception modules;
A preamplifier circuit for supplying the transmission source signal controlled to a predetermined level to the distribution synthesizer;
A level monitor circuit for monitoring the level of the transmission source signal from the preamplifier circuit to the distribution synthesizer;
A level control circuit for controlling the preamplifier circuit so that the transmission source signal supplied from the preamplifier circuit to the distribution synthesizer is at the predetermined level based on a monitoring result from the level monitor circuit; An active phased array antenna device comprising: さらに、前記複数個の送受信モジュールのいずれか1つの温度をモニタする温度センサを有し、前記レベル制御回路は前記レベルモニタ回路からのモニタ結果及び前記温度センサからのモニタ結果に基づいて前記前置増幅回路を制御することを特徴とする請求項３に記載のアクティブフェーズドアレイアンテナ装置。 And a temperature sensor that monitors the temperature of any one of the plurality of transmission / reception modules, wherein the level control circuit is configured to monitor the pre-position based on a monitoring result from the level monitoring circuit and a monitoring result from the temperature sensor. The active phased array antenna apparatus according to claim 3, wherein the amplifier circuit is controlled.
JP2003344973A 2003-10-02 2003-10-02 Active phased array antenna device Expired - Fee Related JP4282429B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003344973A JP4282429B2 (en) 2003-10-02 2003-10-02 Active phased array antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003344973A JP4282429B2 (en) 2003-10-02 2003-10-02 Active phased array antenna device

Publications (3)

Publication Number Publication Date
JP2005117107A JP2005117107A (en) 2005-04-28
JP2005117107A5 true JP2005117107A5 (en) 2007-02-15
JP4282429B2 JP4282429B2 (en) 2009-06-24

Family

ID=34538419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003344973A Expired - Fee Related JP4282429B2 (en) 2003-10-02 2003-10-02 Active phased array antenna device

Country Status (1)

Country Link
JP (1) JP4282429B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5605422B2 (en) * 2012-11-21 2014-10-15 日本電気株式会社 Radar apparatus and radar apparatus monitoring method
EP3561538A4 (en) * 2016-12-22 2020-06-10 Furukawa Electric Co., Ltd. Pulse generating device, and output adjusting method for same

Similar Documents

Publication Publication Date Title
US6002996A (en) Networked sensor system
TW200746670A (en) Method and apparatus for reverse link transmit beam-forming
TWI350659B (en) Power-efficient multi-antenna wireless device
HK1074699A1 (en) Antenna system
WO2016208346A1 (en) Active antenna system and signal processing module
JP2009536483A5 (en)
KR101118919B1 (en) Base station antenna device with built-in transmitting and receiving module
TW200629782A (en) Transmitting and receiving method, and radio apparatus utilizing the same
SE9701846D0 (en) Antenna calibration device and method
WO2005109647A3 (en) Adjustable frequency delay-locked loop
ATE414380T1 (en) DISPLAY DEVICE
JP2005117107A5 (en)
JP2004241972A (en) Array antenna system
JP2003135469A5 (en)
IN2014KN00955A (en)
JP6234360B2 (en) Array antenna apparatus and calibration method
TW200720674A (en) Intellegent test system and related method for testing an electronic product
WO2005045456A3 (en) Controlled acoustic beam generator for crowd control
JP2008256502A (en) Active phased array antenna apparatus
JP2633654B2 (en) Radar antenna equipment
EP1296534A3 (en) Modular bass array
US10355354B2 (en) Array antenna communication system and method therefor
JP4282429B2 (en) Active phased array antenna device
US20170373708A1 (en) Relay apparatus, relay system, and relay method
JP2005227232A (en) Radar device