WEATHER RADAR DEVICE, CONTROL DEVICE OF WEATHER RADAR DEVICE, CONTROL METHOD THEREOF AND CONTROL PROGRAM THEREOF

• Main Authors: TANABE YASUHIKO, KAWABATA KAZUAKI, AOKI TOMOMI
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2017
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

PROBLEM TO BE SOLVED: To provide a weather radar device that can implement quick and highly accurate observation.SOLUTION: A weather radar device according to one embodiment comprises: a weather information acquisition unit; a characteristic-amount calculation unit; an allocation unit; an allocation halt instruction unit; a beam control unit; an array antenna. The weather information acquisition unit is configured to acquire weather information about a plurality of targets existing in an observation range, and the characteristic-amount calculation unit is configured to calculate an a feature amount of each of the plurality of targets on the basis of the weather information. The allocation unit is configured to implement a transmission allocation to the plurality of targets in a pulse unit or a pulse pair unit on the basis of the feature amount, and the allocation halt instruction unit is configured to instruct the allocation unit to halt the transmission allocation to the target satisfying a prescribed condition. The beam control unit is configured to generate control information controlling a beam direction and transmission timing on the basis of a result of transmission allocation. A transmission signal generation unit is configured to generate a transmission signal on the basis of the control information, and the array antenna is configured to transmit the transmission signal.SELECTED DRAWING: Figure 1 【課題】 高速で高精度な観測を行うことができる気象レーダ装置を提供する。【解決手段】 一実施形態に係る気象レーダ装置は、気象情報取得部、特徴量計算部、割り当て部、割り当て停止指示部、ビーム制御部、及びアレイアンテナを備える。気象情報取得部は、観測範囲内に存在する複数の標的に関する気象情報を取得する。特徴量計算部は、前記気象情報に基づいて前記複数の標的それぞれの特徴量を計算する。割り当て部は、前記特徴量に基づいて、パルス単位で又はパルスペア単位で前記複数の標的への送信割り当てを行う。割り当て停止指示部は、所定の条件を満たす標的への送信割り当ての停止を前記割り当て部に指示する。ビーム制御部は、前記送信割り当ての結果に基づいてビーム方向及び送信タイミングを制御する制御情報を生成する。送信信号生成部は、前記制御情報に基づいて送信信号を生成する。アレイアンテナは、前記送信信号を送信する。【選択図】図１