JP5263180B2 - 空線信号検出装置及び空線信号検出方法 - Google Patents
空線信号検出装置及び空線信号検出方法 Download PDFInfo
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- JP5263180B2 JP5263180B2 JP2010008698A JP2010008698A JP5263180B2 JP 5263180 B2 JP5263180 B2 JP 5263180B2 JP 2010008698 A JP2010008698 A JP 2010008698A JP 2010008698 A JP2010008698 A JP 2010008698A JP 5263180 B2 JP5263180 B2 JP 5263180B2
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- 238000001514 detection method Methods 0.000 title claims description 13
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 239000000284 extract Substances 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 abstract description 14
- 238000004364 calculation method Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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Description
2 相関演算部(相関部)
3 スペクトル演算部(相関部)
4 サンプリング信号生成部
5 基本波形データ記憶部
6,7 判別部(第1及び第2の判別部)
8 タイマー
SP サンプリング周期
TH1 第1の閾値
TH2 第2の閾値
TM 所定期間
Claims (3)
- 入力信号を受信する受信部と、
空線信号の波形パターンを示す所定の基本波形信号と前記入力信号との相関を示す相関データを所定のサンプリング周期で算出する相関部と、
前記相関部により算出された相関データが第1の閾値以上である場合、前記入力信号が空線信号であると判別する第1の判別部と、
前記相関部により算出された相関データが前記第1の閾値未満、かつ、前記第1の閾値未満の第2の閾値以上の状態が所定期間以上継続した場合、前記入力信号が空線信号であると判別する第2の判別部とを備える空線信号検出装置。 - 前記受信部は、前記入力信号から前記空線信号の周波数帯域の信号成分を抽出するフィルタを含む請求項1記載の空線信号検出装置。
- 入力信号を受信する受信ステップと、
空線信号の波形パターンを示す所定の基本波形信号と前記入力信号との相関を示す相関データを所定のサンプリング周期で算出する相関ステップと、
前記相関ステップにより算出された相関データが第1の閾値以上である場合、前記入力信号が空線信号であると判別する第1の判別ステップと、
前記相関ステップにより算出された相関データが前記第1の閾値未満、かつ、前記第1の閾値未満の第2の閾値以上の状態が所定期間以上継続した場合、前記入力信号が空線信号であると判別する第2の判別ステップとを備える空線信号検出方法。
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JP2010008698A JP5263180B2 (ja) | 2010-01-19 | 2010-01-19 | 空線信号検出装置及び空線信号検出方法 |
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JP2010008698A JP5263180B2 (ja) | 2010-01-19 | 2010-01-19 | 空線信号検出装置及び空線信号検出方法 |
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JP2011151435A JP2011151435A (ja) | 2011-08-04 |
JP5263180B2 true JP5263180B2 (ja) | 2013-08-14 |
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Families Citing this family (1)
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KR101998791B1 (ko) * | 2018-02-12 | 2019-07-10 | 국방과학연구소 | 수신된 신호의 주파수 도약 패턴을 추정하는 방법 및 장치 |
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JPH0983386A (ja) * | 1995-09-18 | 1997-03-28 | Icom Inc | トーン信号検出回路 |
JPH11163748A (ja) * | 1997-11-26 | 1999-06-18 | Oki Electric Ind Co Ltd | トーン信号検出回路 |
JP2000138604A (ja) * | 1998-10-30 | 2000-05-16 | Hitachi Denshi Ltd | 無線機 |
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