JP7068792B2 - 他の信号のスペクトルを検査するための信号除去 - Google Patents
他の信号のスペクトルを検査するための信号除去 Download PDFInfo
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Description
異なる信号源106a~106nからの複数の別個のソース信号104a~104nを含む混合信号108をアナログ/デジタル変換器(ADC)112により受信すること602と、
前記混合信号を前記ADCによりデジタル化して、第1デジタル信号116及びこの第1デジタル信号と同じ第2デジタル信号120を生成すること606と、
前記第1デジタル信号を所定の遅延時間だけ遅延させること608と、
前記遅延時間に対応する遅延埋め込み204が行われるニューロモーフィック信号プロセッサ118により前記第2デジタル信号を処理して、前記第2デジタル信号から抽出信号122を抽出すること610と、
前記抽出信号の位相遅れ及び振幅を、前記第1デジタル信号の位相遅れ及び振幅に基づいて調整すること614と、
前記第1デジタル信号から調整済み抽出信号130をキャンセルして、検査用の入力信号134を供給すること616と、を含む方法。
前記第2デジタル信号を前記ニューロモーフィック信号プロセッサにより受信すること702と、
前記第2デジタル信号に基づいて、遅延埋め込み混合信号206を生成すること704と、
前記遅延埋め込み混合信号をリザーバ208に線型マッピングすること706と、
前記遅延埋め込み混合信号を複数のリザーバ状態と結合させることで、前記混合信号の多次元の状態空間表現210を生成すること708と、
全体として前記混合信号を形成する前記別個のソース信号のうちの少なくとも1つを、前記混合信号の前記多次元の状態空間表現に基づいて特定すること710と、を含み、前記特定された少なくとも1つの別個のソース信号が前記抽出信号である、付記1に記載の方法。
混合信号108を受信するアナログ/デジタル変換器(ADC)112を含み、前記混合信号は、異なる信号源106a~106nからの複数の別個のソース信号104a~104nを含み、前記ADCは、前記混合信号をデジタル化して第1デジタル信号116及びこの第1デジタル信号と同じ第2デジタル信号120を生成し、
前記第1デジタル信号を所定の遅延時間だけ遅延させる遅延回路114を含み、
前記第2デジタル信号を処理して前記第2デジタル信号から抽出信号122を抽出するニューロモーフィック信号プロセッサ118を含み、前記遅延時間は、前記ニューロモーフィック信号プロセッサによる遅延埋め込み204に対応し、
前記第1デジタル信号の位相遅れ及び振幅に基づいて前記抽出信号を調整する信号位相及び振幅調整モジュール126を含み、
前記第1デジタル信号から調整済み抽出信号をキャンセルして、検査用の入力信号134を供給する加算接続手段132を含む。
前記第2デジタル信号を受信し、前記第2デジタル信号に基づいて、遅延埋め込み混合信号206を生成する遅延埋め込みモジュール204と、
リザーバ208と、前記遅延埋め込み混合信号が線型マッピングされることにより、前記遅延埋め込み混合信号を複数のリザーバ状態と結合させることで前記混合信号の多次元の状態空間表現210を生成するよう構成されたリザーバ208と、
前記状態空間表現を1つ又は複数の出力ノード502a~502nに対して線型マッピングすることで、1組のプレフィルタ信号214を生成するよう構成された出力レイヤ212と、
適応フィルタ216のバンクと、を含み、全体として前記混合信号を形成する前記別個のソース信号は、前記プレフィルタ信号を前記適応フィルタのバンクを介して処理することで生成され、前記別個のソース信号のうちの少なくとも1つが、前記抽出信号として特定される、付記13に記載のシステム。
異なる信号源106a~106nからの複数の別個のソース信号104a~104nを含む合信号108をアナログ/デジタル変換器(ADC)112により受信すること600と、
前記混合信号を前記ADCによりデジタル化606し、かつ第1デジタル信号116及びこの第1デジタル信号と同じ第2デジタル信号120を生成することと、
前記第1デジタル信号を所定の遅延時間だけ遅延させること608と、
前記遅延時間に対応する遅延埋め込み204が行われるニューロモーフィック信号プロセッサ118で前記第2デジタル信号を処理して、前記第2デジタル信号から抽出信号122を抽出すること610と、
前記抽出信号の位相遅れ及び振幅を、前記第1デジタル信号の位相遅れ及び振幅に基づいて調整すること614と、
前記第1デジタル信号から調整済み抽出信号130をキャンセルして616、検査用の入力信号134を供給することと、を含む。
Claims (10)
- 抽出した無線周波数(RF)信号を除去して少なくとも他の1つのRF信号のスペクトルを検査するための方法であって、
異なる信号源からの複数の別個のソース信号を含む混合信号をアナログ/デジタル変換器(ADC)により受信することと、
前記混合信号を前記ADCによりデジタル化して、第1デジタル信号及びこの第1デジタル信号と同じ第2デジタル信号を生成することと、
前記第1デジタル信号を所定の遅延時間だけ遅延させることと、
前記遅延時間に対応する遅延埋め込みが行われるニューロモーフィック信号プロセッサで前記第2デジタル信号を処理して、前記第2デジタル信号から抽出信号を抽出することと、
前記抽出信号の位相遅れ及び振幅を、前記第1デジタル信号の位相遅れ及び振幅に基づいて調整することと、
前記第1デジタル信号から調整済み抽出信号をキャンセルして、検査用の入力信号を供給することと、を含む方法。 - 前記混合信号が前記ADCにより受信される前に、前記混合信号を増幅することをさらに含み、前記混合信号は、前記ADCでのサンプリングのために所定の振幅に増幅される、請求項1に記載の方法。
- 前記抽出信号及び前記第1デジタル信号の前記位相遅れ及び振幅を特定することと、前記第1デジタル信号の前記位相遅れ及び振幅に基づいて、前記抽出信号に対する調整を生成することと、をさらに含む、請求項1又は2に記載の方法。
- 前記第2デジタル信号を前記ニューロモーフィック信号プロセッサで処理することは、
前記第2デジタル信号を前記ニューロモーフィック信号プロセッサにより受信することと、
前記第2デジタル信号に基づいて、遅延埋め込み混合信号を生成することと、
前記遅延埋め込み混合信号をリザーバに線型マッピングすることと、
前記遅延埋め込み混合信号を複数のリザーバ状態と結合させることで前記混合信号の多次元の状態空間表現を生成することと、
全体として前記混合信号を形成する前記別個のソース信号のうちの少なくとも1つを、前記混合信号の前記多次元の状態空間表現に基づいて特定することと、を含み、前記特定された少なくとも1つの別個のソース信号が前記抽出信号である、請求項1~3のいずれか1つに記載の方法。 - 無線周波数(RF)信号を除去して少なくとも他の1つのRF信号のスペクトルを検査するためのシステムであって、
異なる信号源からの複数の別個のソース信号を含む混合信号を受信するとともに、前記混合信号をデジタル化して第1デジタル信号及びこの第1デジタル信号と同じ第2デジタル信号を生成するアナログ/デジタル変換器(ADC)と、
前記第1デジタル信号を所定の遅延時間だけ遅延させる遅延回路と、
前記遅延時間に対応する遅延埋め込みが行われるとともに、前記第2デジタル信号を処理して当該第2デジタル信号から抽出信号を抽出するニューロモーフィック信号プロセッサと、
前記第1デジタル信号の位相遅れ及び振幅に基づいて前記抽出信号を調整する信号位相及び振幅調整モジュールと、
前記第1デジタル信号から調整済み抽出信号をキャンセルして、検査用の入力信号を供給する加算接続手段と、を含むシステム。 - 前記混合信号が前記ADCにより受信される前に、前記混合信号を増幅する増幅器をさらに含み、前記増幅器は、前記ADCでのサンプリングのために前記混合信号を所定の振幅に増幅する、請求項5に記載のシステム。
- 前記抽出信号の位相遅れ及び振幅及び前記第1デジタル信号の前記位相遅れ及び振幅を特定し、前記第1デジタル信号の前記位相遅れ及び振幅に基づいて、前記抽出信号に対する調整を生成する位相遅れ及び振幅算出モジュールをさらに含む、請求項5又は6に記載のシステム。
- 前記信号位相及び振幅調整モジュールは、前記抽出信号の前記位相遅れを調整して、前記第1デジタル信号に対して位相を180度ずらした前記調整済み抽出信号を生成する、請求項5~7のいずれか1つに記載のシステム。
- 前記検査用入力信号のスペクトルを分析するための装置さらに含む、請求項5~8のいずれか1つに記載のシステム。
- 抽出した無線周波数(RF)信号を除去して少なくとも他の1つのRF信号のスペクトルを検査するためのコンピュータプログラム製品であって、前記コンピュータプログラム製品は、プログラム命令が記録されたコンピュータ可読の記憶媒体を含み、前記コンピュータ可読の記憶媒体は、一時的な記憶媒体そのものではなく、前記プログラム命令は、装置により実行されて前記装置に方法を実行させるものであり、前記方法が、
異なる信号源からの複数の別個のソース信号を含む混合信号をアナログ/デジタル変換器(ADC)により受信することと、
前記混合信号を前記ADCによりデジタル化して、第1デジタル信号及びこの第1デジタル信号と同じ第2デジタル信号を生成することと、
前記第1デジタル信号を所定の遅延時間だけ遅延させることと、
前記遅延時間に対応する遅延埋め込みが行われるニューロモーフィック信号プロセッサにおいて前記第2デジタル信号を処理して当該第2デジタル信号から抽出信号を抽出することと、
前記抽出信号の位相遅れ及び振幅を、前記第1デジタル信号の位相遅れ及び振幅に基づいて調整することと、
前記第1デジタル信号から調整済み抽出信号をキャンセルして、検査用の入力信号を供給することと、を含む、コンピュータプログラム製品。
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