JP2560632B2 - Lightning position locator - Google Patents
Lightning position locatorInfo
- Publication number
- JP2560632B2 JP2560632B2 JP5340680A JP34068093A JP2560632B2 JP 2560632 B2 JP2560632 B2 JP 2560632B2 JP 5340680 A JP5340680 A JP 5340680A JP 34068093 A JP34068093 A JP 34068093A JP 2560632 B2 JP2560632 B2 JP 2560632B2
- Authority
- JP
- Japan
- Prior art keywords
- lightning
- locating device
- electromagnetic waves
- identity
- 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.)
- Expired - Lifetime
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は雷位置標定装置に関し、
特に雷発生による電磁波を受信してその到達時間差によ
り雷発生位置を算出する雷位置標定装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightning position locating device,
In particular, the present invention relates to a lightning position locating device that receives electromagnetic waves generated by lightning and calculates the lightning generation position based on the arrival time difference.
【０００２】[0002]
【従来の技術】従来の雷位置標定装置は、図２に示され
ているように、互いに適当な距離を隔てた３地点にアン
テナ１Ａ〜１Ｃ，受信機２Ａ〜２Ｃ，データ伝送制御部
４Ａ〜４Ｃ及び時刻信号発生器５Ａ〜５Ｃを有する観測
局Ａ〜Ｃと、その各観測データを収集し処理する集中デ
ータ処理計算機６とから構成されている。なお、各時刻
信号発生器５Ａ〜５Ｃからは互いに同一の時刻信号が送
出されるものとする。2. Description of the Related Art A conventional lightning position locating device, as shown in FIG. 2, has antennas 1A to 1C, receivers 2A to 2C and a data transmission control unit 4A to 3 points at appropriate distances from each other. 4C and time signal generators 5A to 5C, and observation stations A to C, and a centralized data processing computer 6 that collects and processes each observation data. It is assumed that the same time signal is transmitted from each of the time signal generators 5A to 5C.
【０００３】かかる構成において、雷が発生すると、そ
れによる電磁波が各観測局のアンテナ１Ａ〜１Ｃ，受信
機２Ａ〜２Ｃに入力され、その受信波形が受信時刻と共
に集中データ処理計算機６に伝送される。集中データ処
理計算機６では各観測局Ａ〜Ｃからの波形レベルを比較
し同じレベルの波形を同一の雷によるものとして、その
受信時刻差により雷発生位置を算出している。なお、７
Ａ〜７Ｃはデータ回線である。In such a configuration, when a thunder is generated, an electromagnetic wave caused by the thunder is input to the antennas 1A to 1C and the receivers 2A to 2C of each observation station, and the received waveform is transmitted to the centralized data processing computer 6 together with the reception time. . The centralized data processing computer 6 compares the waveform levels from the respective observation stations A to C, determines that the waveforms of the same level are caused by the same lightning, and calculates the lightning occurrence position from the difference in reception time. In addition, 7
A to 7C are data lines.
【０００４】[0004]
【発明が解決しようとする課題】この従来の雷位置標定
装置では、受信信号の受信波レベルを比較することで雷
の同一性を判定しているので、各観測局の設置場所にお
ける受信特性の相違のため、受信波のインパルス波形が
変形してしまい、波形比較時に誤判定が多くなる。この
ため雷発生位置の標定誤差が大きくなるという欠点があ
った。In this conventional lightning position locating device, the lightning identity is determined by comparing the received wave levels of the received signals. Due to the difference, the impulse waveform of the received wave is deformed, and erroneous determinations are increased during waveform comparison. For this reason, there is a disadvantage that the location error of the lightning occurrence position becomes large.
【０００５】本発明は上述した従来の欠点を解決するた
めになされたものであり、その目的は、雷発生位置の標
定誤差を小さくすることのできる雷位置標定装置を提供
することである。The present invention has been made to solve the above-mentioned conventional drawbacks, and an object of the present invention is to provide a lightning position locating device capable of reducing the localization error of the lightning occurrence position.
【０００６】[0006]
【課題を解決するための手段】本発明による雷位置標定
装置は、雷の発生により生じた電磁波についての互いに
異なるＮ地点（Ｎは３以上の整数）における受信結果に
基づいて該雷の同一性を判定する判定手段を有し、この
判定結果に応じて前記Ｎ地点における該電磁波の受信時
刻の差に基づき前記雷の発生位置を標定する雷位置標定
装置であって、前記判定手段は、前記電磁波の前記Ｎ地
点における各受信結果の周波数スペクトルを測定する測
定手段を含み、この測定結果により前記雷の同一性を判
定することを特徴とする。The lightning position locating device according to the present invention is based on the result of reception of electromagnetic waves generated by lightning at different N points (N is an integer of 3 or more), and the lightning identities are the same. A lightning position locating device for locating a lightning generation position based on a difference in reception time of the electromagnetic waves at the N point according to a result of the determination, wherein the determination means is It is characterized by including a measuring means for measuring a frequency spectrum of each reception result of the electromagnetic wave at the N point, and judging the identity of the lightning from the measurement result.
【０００７】[0007]
【実施例】次に、本発明について図面を参照して説明す
る。Next, the present invention will be described with reference to the drawings.
【０００８】図１は本発明による雷位置標定装置の一実
施例の構成を示すブロック図である。図において、互い
に適当な距離を隔てた観測局Ａ，Ｂ，Ｃは、アンテナ１
Ａ，１Ｂ，１Ｃと、受信機２Ａ，２Ｂ，２Ｃと、受信信
号の周波数スペクトルを測定する周波数スペクトル測定
器３Ａ，３Ｂ，３Ｃと、データ伝送制御部４Ａ，４Ｂ，
４Ｃと、時刻信号発生器５Ａ，５Ｂ，５Ｃによって構成
されており、データ回線７Ａ，７Ｂ，７Ｃを介して集中
データ処理計算機６に接続されている。すなわち、従来
の構成に周波数スペクトル測定器３Ａ〜３Ｃを加えた構
成である。FIG. 1 is a block diagram showing the configuration of an embodiment of a lightning position locating device according to the present invention. In the figure, the observation stations A, B, and C spaced from each other by an appropriate distance are antennas 1
A, 1B, 1C, receivers 2A, 2B, 2C, frequency spectrum measuring instruments 3A, 3B, 3C for measuring the frequency spectrum of the received signal, and data transmission control units 4A, 4B,
4C and time signal generators 5A, 5B, 5C, and are connected to the centralized data processing computer 6 via data lines 7A, 7B, 7C. That is, it is a configuration in which the frequency spectrum measuring instruments 3A to 3C are added to the conventional configuration.
【０００９】かかる構成において、雷が発生すると、そ
れによる電磁波が各観測局Ａ〜Ｃのアンテナ１Ａ〜１Ｃ
及び受信機２Ａ〜２Ｃで夫々受信され、その受信信号の
周波数スペクトルが周波数スペクトル測定器３Ａ〜３Ｃ
により測定される。In such a configuration, when a thunder is generated, the electromagnetic waves generated by the thunder are transmitted to the antennas 1A to 1C of the respective observation stations A to C.
And receivers 2A to 2C, respectively, and the frequency spectrum of the received signal is measured by frequency spectrum measuring instruments 3A to 3C.
Measured by
【００１０】受信信号の周波数スペクトル測定結果デー
タは、信号受信時の時刻データが付加されて、集中デー
タ処理計算機６に伝送される。集中データ処理計算機６
では各観測局から伝送された周波数スペクトルデータの
相関を取る。そして、周波数スペクトルの一致する信号
の受信時刻の差を求めることにより、対応する観測局か
ら雷発生地点までの距離を計算し雷発生位置を標定する
ことができる。The frequency spectrum measurement result data of the received signal is transmitted to the centralized data processing computer 6 with the time data at the time of signal reception added. Centralized data processing computer 6
Then, the correlation of the frequency spectrum data transmitted from each observation station is taken. Then, by obtaining the difference between the reception times of the signals having the same frequency spectra, the distance from the corresponding observation station to the lightning occurrence point can be calculated and the lightning occurrence position can be located.
【００１１】すなわち、測定した周波数スペクトル同士
の相関により雷の同一性を判定し、この結果同一と判定
された周波数スペクトル測定結果データに付加された各
時刻データにより対応する観測局から雷発生地点までの
距離を計算し、その位置を標定するのである。That is, the identity of lightning is determined by the correlation between the measured frequency spectra, and the time data added to the frequency spectrum measurement result data determined to be identical as a result, from the corresponding observation station to the lightning occurrence point. The distance is calculated and the position is located.
【００１２】なお、本実施例では観測局の数を３とした
が、それ以上の数の観測局を設けても同様に雷位置を標
定できることは明らかである。観測局数が２の場合は、
雷位置を標定できない。In this embodiment, the number of observation stations is three, but it is clear that the lightning position can be located in the same way even if the number of observation stations is larger than that. If the number of stations is 2,
Cannot locate lightning position.
【００１３】[0013]
【発明の効果】以上説明したように本発明は、雷発生に
よる電磁波の周波数スペクトルデータに基づいて各観測
局にて受信した電磁波の同一性を判定することにより、
従来の受信波レベル同士の比較による判定に比べて誤判
定することがなく、雷位置標定の誤差がほぼ零となると
いう効果がある。As described above, the present invention determines the identity of electromagnetic waves received by each observation station based on the frequency spectrum data of electromagnetic waves caused by lightning,
There is no erroneous determination as compared with the conventional determination by comparing received wave levels, and there is an effect that the error in lightning position localization becomes substantially zero.
【図１】本発明の実施例による雷位置標定装置の構成を
示すブロック図である。FIG. 1 is a block diagram showing a configuration of a lightning position locating device according to an embodiment of the present invention.
【図２】従来の雷標定装置の構成を示すブロック図であ
る。FIG. 2 is a block diagram showing a configuration of a conventional lightning localization device.
１Ａ〜１Ｃ アンテナ ２Ａ〜２Ｃ 受信機 ３Ａ〜３Ｃ 周波数スペクトル測定器 ４Ａ〜４Ｃ データ伝送制御部 ５Ａ〜５Ｃ 時刻発生器 ６ 集中データ処理計算機 1A to 1C Antenna 2A to 2C Receiver 3A to 3C Frequency spectrum measuring instrument 4A to 4C Data transmission control section 5A to 5C Time generator 6 Centralized data processing computer
Claims (2)
互いに異なるＮ地点（Ｎは３以上の整数）における受信
結果に基づいて該雷の同一性を判定する判定手段を有
し、この判定結果に応じて前記Ｎ地点における該電磁波
の受信時刻の差に基づき前記雷の発生位置を標定する雷
位置標定装置であって、前記判定手段は、前記電磁波の
前記Ｎ地点における各受信結果の周波数スペクトルを測
定する測定手段を含み、この測定結果により前記雷の同
一性を判定することを特徴とする雷位置標定装置。1. A determination means for determining the identity of the lightning based on the reception results at N points (N is an integer of 3 or more) different from each other for electromagnetic waves generated by the occurrence of lightning , and the determination result is obtained. Accordingly, the lightning position locating device locates the lightning occurrence position based on the difference between the reception times of the electromagnetic waves at the N points, and the determining means determines the frequency spectrum of each reception result of the electromagnetic waves at the N points. A lightning position locating device including a measuring unit for measuring, and determining the identity of the lightning by the measurement result.
記測定結果同士の相関により前記雷の同一性を判定する
ことを特徴とする請求項１記載の雷位置標定装置。2. The lightning position locating device according to claim 1, wherein the determining means determines the identity of the lightning based on a correlation between the measurement results at the N point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5340680A JP2560632B2 (en) | 1993-12-08 | 1993-12-08 | Lightning position locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5340680A JP2560632B2 (en) | 1993-12-08 | 1993-12-08 | Lightning position locator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07159546A JPH07159546A (en) | 1995-06-23 |
| JP2560632B2 true JP2560632B2 (en) | 1996-12-04 |
Family
ID=18339287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5340680A Expired - Lifetime JP2560632B2 (en) | 1993-12-08 | 1993-12-08 | Lightning position locator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560632B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4817665B2 (en) * | 2005-01-11 | 2011-11-16 | 東北電力株式会社 | Lightning location method and system |
| JP4771875B2 (en) * | 2006-06-29 | 2011-09-14 | 三菱電機株式会社 | Radio frequency signal source location device |
| JP5069785B2 (en) * | 2010-12-22 | 2012-11-07 | 三菱電機株式会社 | Radio frequency signal identification device |
| JP5450484B2 (en) * | 2011-03-14 | 2014-03-26 | 株式会社日立製作所 | Lightning generation position locating device and lightning generation area estimation method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101773A (en) * | 1980-12-18 | 1982-06-24 | Nippon Telegr & Teleph Corp <Ntt> | Electric shock position detector |
| JPH03216587A (en) * | 1990-01-22 | 1991-09-24 | Central Res Inst Of Electric Power Ind | Method and apparatus for discriminating earth thunderbolt |
-
1993
- 1993-12-08 JP JP5340680A patent/JP2560632B2/en not_active Expired - Lifetime
Non-Patent Citations (2)
| Title |
|---|
| ＰＢ ＲＥＰＯＲＴＳ，（１９８８）ＭＡＣＧＯＲＭＡＮ Ｄ．Ｒ．ＡＮＤ ＲＵＳＴ Ｗ．Ｄ． Ｐ．２３５−２４０ |
| 電気評論、７８〜６！（平５−６−１４）後藤Ｐ．２５−３０ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07159546A (en) | 1995-06-23 |
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