JP2014006259A - Sパラメータのリサンプリング方法及びシリアル・データ・リンク分析装置 - Google Patents
Sパラメータのリサンプリング方法及びシリアル・データ・リンク分析装置 Download PDFInfo
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Abstract
【解決手段】複数のSパラメータ・セットが記憶されるが、各Sパラメータ・セットは1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有している。増加した時間インターバルは、各Sパラメータ・セットと関連する時間インターバルに基いて求められる。各Sパラメータ・セットのインパルス応答は、折り返された全てのリップルを維持し、時間インターバルを増加させるために、ゼロが充填される。複数のリサンプルされたSパラメータ・セットは、更に高い周波数分解能を有し、増加した時間インターバルをカバーする。
【選択図】図2
Description
夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶することと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めることと、
折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成することとを具えている。
上記Sパラメータ・セットの全てに関する最大共通周波数を求めることと、
上記最大共通周波数を超えて上記Sパラメータ・セットの夫々を外挿することとを更に具えている。
逆高速フーリエ変換(IFFT)を用いて、外挿された周波数領域Sパラメータを時間領域インパルス応答に変換することを更に具えている。
複数の上記Sパラメータ・セットの夫々に関連するサンプル・レートに基いて、複数のインパルス応答の中から現実の共通サンプル期間を求めることを更に具えている。
夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶するよう構成されたメモリと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めるよう構成されたプロセッサとを具え、
該プロセッサは、折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成するよう構成されていることを特徴としている。
夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶することと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めることと、
折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成することとを具えている。
12 フィクスチャ回路ブロック
14 エンファシス回路ブロック
16 チャンネル回路ブロック
18 等化回路ブロック
20 SDLA縦続接続ツール
22 ソース・ブロック
22〜40 Sパラメータ・ブロック
42 負荷ブロック
Claims (8)
- 夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶するステップと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めるステップと、
折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成するステップと
を具えるシリアル・データ・リンク分析用Sパラメータのリサンプリング方法。 - 上記Sパラメータ・セットの夫々中のインパルス応答は、リップルしきい値に基づくゼロ充填位置でゼロが充填されることを特徴とする請求項1記載の方法。
- DC値を持たない全てのSパラメータ・セットについて、上記Sパラメータ・セットの夫々をDCまで外挿するステップを更に具える請求項1記載の方法。
- 上記Sパラメータ・セットの全てに関する最大共通周波数を求めるステップと、
上記最大共通周波数を超えて上記Sパラメータ・セットの夫々を外挿するステップと
を更に具える請求項1記載の方法。 - 夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶するよう構成されたメモリと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めるよう構成されたプロセッサとを具え、
該プロセッサは、折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成するよう構成されていることを特徴とするシリアル・データ・リンク分析装置。 - 上記プロセッサが、DC値を持たない全てのSパラメータ・セットについて、上記Sパラメータ・セットの夫々をDCまで外挿するよう構成されることを特徴とする請求項5記載の装置。
- 上記プロセッサが、上記Sパラメータ・セットの全てに関する最大共通周波数を求め、上記最大共通周波数を超えて上記Sパラメータ・セットの夫々を外挿するよう構成されることを特徴とする請求項5記載の装置。
- 夫々が1つのサブシステムと関連し、関連するインパルス応答及び時間インターバルを有する複数のSパラメータ・セットを記憶するステップと、
上記Sパラメータ・セットの夫々と関連する上記時間インターバルに基いて、増加した時間インターバルを求めるステップと、
折り返された全てのリップルを維持し、上記時間インターバルを増加させるために上記Sパラメータ・セット夫々のインパルス応答にゼロを充填し、上記増加した時間インターバルをカバーする更に高い周波数分解能のリサンプルされた複数のSパラメータ・セットを生成するステップと
を具えるシリアル・データ・リンク分析用Sパラメータのリサンプリング方法を実施するためのプロセッサで実行されるコンピュータ・プログラム。
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