JP4845441B2 - 実時間パワー・マスク・トリガ発生器 - Google Patents
実時間パワー・マスク・トリガ発生器 Download PDFInfo
- Publication number
- JP4845441B2 JP4845441B2 JP2005206110A JP2005206110A JP4845441B2 JP 4845441 B2 JP4845441 B2 JP 4845441B2 JP 2005206110 A JP2005206110 A JP 2005206110A JP 2005206110 A JP2005206110 A JP 2005206110A JP 4845441 B2 JP4845441 B2 JP 4845441B2
- Authority
- JP
- Japan
- Prior art keywords
- power
- frequency
- time
- signal
- real
- 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 - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0218—Circuits therefor
- G01R13/0254—Circuits therefor for triggering, synchronisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
Description
所定周波数帯域幅及び関連した基準パワー・レベルが実時間パワー・マスク・トリガを定義する。
20 入力プロセッサ
22 ロウパス・フィルタ
24 ミキサ
26 局部発振器
28 バンドパス・フィルタ
30 A/D変換器
32 デジタル信号プロセッサ(DSP)
34 モニタ
36 取り込みメモリ
40 トリガ発生器
42 循環バッファ
44 窓関数回路
46 離散フーリエ変換回路
48 積分器
50 比較器
Claims (1)
- 入力信号のタイム・セグメントを表すデジタル信号のつなぎ目のないブロックを、パワーの大きさを表す複数の周波数ビンから成る周波数スペクトルに各タイム・セグメント毎に変換する第1手段と、
指定された周波数帯域幅内の指定された周波数レンジ毎に周波数スペクトルのパワーの大きさを上記各タイム・セグメント毎に加算して積分し、この積分された信号パワーを発生すると共に、上記積分された信号パワーを上記各タイム・セグメント毎に平均化関数により平均化して、この積分され且つ平均化された信号パワーを発生する第2手段と、
上記各タイム・セグメント毎に上記積分され且つ平均化された信号パワーを上記周波数レンジの各々に関連して指定された基準パワー・レベルと比較して、上記積分され且つ平均化された信号パワーが上記指定された基準パワー・レベルを違反したときにトリガ信号を発生する第3手段とを具え、
上記第1手段、上記第2手段及び上記第3手段は、上記デジタル信号に遅れないように高速であり、
上記指定された周波数帯域幅と、上記指定された周波数レンジと、上記指定された基準パワー・レベルとが実時間パワー・マスクを定めることを特徴とする実時間パワー・マスク・トリガ発生器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/894,707 | 2004-07-19 | ||
US10/894,707 US7251577B2 (en) | 2004-07-19 | 2004-07-19 | Realtime power mask trigger |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006030202A JP2006030202A (ja) | 2006-02-02 |
JP4845441B2 true JP4845441B2 (ja) | 2011-12-28 |
Family
ID=35600531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005206110A Expired - Fee Related JP4845441B2 (ja) | 2004-07-19 | 2005-07-14 | 実時間パワー・マスク・トリガ発生器 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7251577B2 (ja) |
JP (1) | JP4845441B2 (ja) |
CN (2) | CN1725024A (ja) |
DE (1) | DE102005032532A1 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7251577B2 (en) * | 2004-07-19 | 2007-07-31 | Tektronix, Inc. | Realtime power mask trigger |
DE602005006696D1 (de) * | 2004-09-30 | 2008-06-26 | Ntt Docomo Inc | Signaldetektor für drahtloses Kommunikationssystem |
US7471652B2 (en) * | 2004-12-16 | 2008-12-30 | Tektronix, Inc. | Real-time RF/IF signature trigger |
JP5750213B2 (ja) * | 2005-11-04 | 2015-07-15 | テクトロニクス・インコーポレイテッドTektronix,Inc. | スペクトラム分析方法 |
US7298129B2 (en) * | 2005-11-04 | 2007-11-20 | Tektronix, Inc. | Time arbitrary signal power statistics measurement device and method |
JP5705395B2 (ja) * | 2006-07-21 | 2015-04-22 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | 信号分析装置 |
KR100841455B1 (ko) * | 2006-08-17 | 2008-06-26 | 고려대학교 산학협력단 | 실시간 확률 제어기를 이용한 불규칙 교란의 제어 방법 및 이를 기록한 기록매체 |
US8233569B2 (en) * | 2006-09-28 | 2012-07-31 | Tektronix, Inc. | Realtime spectrum trigger system on realtime oscilloscope |
DE102006056151A1 (de) * | 2006-11-28 | 2008-05-29 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur Triggerung einer Aufzeichnung eines Mess-Signals |
US8255179B2 (en) * | 2009-02-11 | 2012-08-28 | Tektronix, Inc. | Time qualified frequency mask trigger |
US8180586B2 (en) * | 2009-02-11 | 2012-05-15 | Tektronix, Inc. | Amplitude discrimination using the frequency mask trigger |
US8244490B2 (en) * | 2009-02-11 | 2012-08-14 | Tektronix, Inc. | Power trigger with time qualified and sequential event capability |
US8489350B2 (en) * | 2009-03-13 | 2013-07-16 | Tektronix, Inc. | Frequency domain bitmap triggering using color, density and correlation based triggers |
FR2951561B1 (fr) * | 2009-10-20 | 2011-12-09 | Areva T & D Sas | Procede de detection de la position d'un front d'onde correspondant a un evenement dans un signal recu par un detecteur |
US8886794B2 (en) * | 2010-01-28 | 2014-11-11 | Thinkrf Corporation | System and method for detecting RF transmissions in frequency bands of interest across a geographic area |
US20110274150A1 (en) * | 2010-05-05 | 2011-11-10 | Tektronix, Inc | Logical triggering in the frequency domain |
US8706435B2 (en) * | 2010-05-06 | 2014-04-22 | Tektronix, Inc. | Signal detection and triggering using a difference bitmap |
US9297834B2 (en) * | 2010-08-13 | 2016-03-29 | Tektronix, Inc. | Time-domain searching in a test and measurement instrument |
US8649989B2 (en) * | 2010-08-13 | 2014-02-11 | Tektronix, Inc. | Time-domain triggering in a test and measurement instrument |
US8872504B2 (en) * | 2011-04-29 | 2014-10-28 | Tektronix, Inc. | Method for automatically setting frequency span in a spectrum analyzer |
US20120306886A1 (en) * | 2011-06-02 | 2012-12-06 | Tektronix, Inc | Continuous rf signal visualization with high resolution |
DE102011077390B4 (de) * | 2011-06-10 | 2022-01-27 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Messgerät und Verfahren zur Vermessung eines Signals mit mehreren Teilsignalen |
US9702907B2 (en) * | 2011-12-16 | 2017-07-11 | Tektronix, Inc. | Frequency mask trigger with non-uniform bandwidth segments |
US9170286B2 (en) | 2013-01-18 | 2015-10-27 | Keysight Technologies, Inc. | Real-time spectrum analyzer including frequency mask gate and method of operating the same |
US10024895B1 (en) | 2013-03-15 | 2018-07-17 | Keysight Technologies, Inc. | Real-time spectrum analyzer having frequency content based trigger unit |
JP6753171B2 (ja) | 2016-06-29 | 2020-09-09 | コニカミノルタ株式会社 | 画像形成装置 |
CN110474704A (zh) * | 2019-08-12 | 2019-11-19 | 浙江三维通信科技有限公司 | 基于可调扫频源的无线信号屏蔽方法及装置 |
US11536746B2 (en) * | 2020-06-29 | 2022-12-27 | Rohde & Schwarz Gmbh & Co. Kg | Test and measurement instrument and method of analyzing an input signal |
CN115314149B (zh) * | 2022-10-08 | 2023-01-10 | 杭州恒生数字设备科技有限公司 | 一种自适应屏蔽无线电信号的方法及系统 |
CN116223908B (zh) * | 2023-03-02 | 2023-11-28 | 广州致远仪器有限公司 | 一种频谱分析电路结构 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5103402A (en) * | 1988-07-05 | 1992-04-07 | Tektronix, Inc. | Method and apparatus for identifying, saving, and analyzing continuous frequency domain data in a spectrum analyzer |
DE69005570T2 (de) * | 1989-09-19 | 1994-06-30 | Hewlett Packard Co | Mittelwertbildung von Messungen von Eigenschaften von mit der Zeit veränderlichen Signalen. |
ATE139660T1 (de) * | 1990-03-30 | 1996-07-15 | Digi Media Vision Ltd | Sendung und empfang bei einer störenden interferenzumgebung |
CN2091462U (zh) * | 1991-05-05 | 1991-12-25 | 中国矿业大学 | 便携式谐波分析仪 |
JPH05172869A (ja) * | 1991-11-29 | 1993-07-13 | Sanyo Electric Co Ltd | スペクトラムアナライザ |
JP2766105B2 (ja) * | 1991-11-29 | 1998-06-18 | 三洋電機株式会社 | スペクトラムアナライザ |
JPH0592753U (ja) * | 1992-05-14 | 1993-12-17 | 株式会社アドバンテスト | データ取込み平均化装置 |
US5594655A (en) * | 1993-08-20 | 1997-01-14 | Nicolet Instrument Corporation | Method and apparatus for frequency triggering in digital oscilloscopes and the like |
US5461426A (en) * | 1993-08-20 | 1995-10-24 | Samsung Electronics Co., Ltd. | Apparatus for processing modified NTSC television signals, with digital signals buried therewithin |
US5483394A (en) * | 1993-10-29 | 1996-01-09 | Wangtek, Inc. | Filtered average servo demodulator |
CN2187796Y (zh) * | 1994-02-22 | 1995-01-18 | 阮志武 | 数字示波频谱分析仪 |
US6545728B1 (en) * | 1994-05-04 | 2003-04-08 | Samsung Electronics Co., Ltd. | Digital television receivers that digitize final I-F signals resulting from triple-conversion |
JPH08313569A (ja) * | 1995-05-16 | 1996-11-29 | Matsushita Electric Ind Co Ltd | スペクトルアナライザ装置 |
US6070140A (en) * | 1995-06-05 | 2000-05-30 | Tran; Bao Q. | Speech recognizer |
JP3486015B2 (ja) * | 1995-08-30 | 2004-01-13 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | Fftアナライザのトリガ発生方法及び装置 |
JP3486016B2 (ja) * | 1995-08-31 | 2004-01-13 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | スペクトラム・アナライザのアドレス制御装置 |
US6118758A (en) * | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
JP3359251B2 (ja) * | 1996-12-11 | 2002-12-24 | ソニー・テクトロニクス株式会社 | リアルタイム信号アナライザ |
JPH11205218A (ja) * | 1998-01-08 | 1999-07-30 | Mitsubishi Electric Corp | 受信レベル平均値算出方法および装置 |
JPH11252022A (ja) * | 1998-02-26 | 1999-09-17 | Nippon Telegr & Teleph Corp <Ntt> | 無線受信信号瞬時レベル累積確率分布推定法 |
US6115465A (en) * | 1998-03-25 | 2000-09-05 | Mci Communications Corporation | System and method for modifying voice signals to avoid triggering tone detectors |
US6229439B1 (en) * | 1998-07-22 | 2001-05-08 | Pittway Corporation | System and method of filtering |
US6606129B1 (en) * | 1998-12-04 | 2003-08-12 | Samsung Electronics Co., Ltd. | Digital filtering of DTV I-F signal to avoid low-end boost of the baseband signal resulting from in-phase synchrodyne |
US6683919B1 (en) * | 1999-06-16 | 2004-01-27 | National Semiconductor Corporation | Method and apparatus for noise bandwidth reduction in wireless communication signal reception |
US7003414B1 (en) * | 1999-11-30 | 2006-02-21 | Agilent Technologies, Inc. | Monitoring system and method implementing failure time spectrum scan |
US7050401B1 (en) * | 1999-11-30 | 2006-05-23 | Agilent Technologies, Inc. | Monitoring system and method implementing test result display logic |
US6741947B1 (en) * | 1999-11-30 | 2004-05-25 | Agilent Technologies, Inc. | Monitoring system and method implementing a total node power test |
JP2001244901A (ja) * | 2000-02-29 | 2001-09-07 | Advantest Corp | 電波利用の調査方法及び装置 |
US6766292B1 (en) * | 2000-03-28 | 2004-07-20 | Tellabs Operations, Inc. | Relative noise ratio weighting techniques for adaptive noise cancellation |
DE10033575B4 (de) * | 2000-07-11 | 2005-04-21 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur Abschätzung der Frequenz eines digitalen Signals |
JP2002077068A (ja) * | 2000-08-31 | 2002-03-15 | Advantest Corp | 電波利用の調査方法及び装置 |
US6973122B1 (en) * | 2001-01-26 | 2005-12-06 | At&T Corp. | Power allocation scheme for DMT-based modems employing simplex transmission |
JP4008244B2 (ja) * | 2001-03-02 | 2007-11-14 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
JP3788297B2 (ja) * | 2001-09-10 | 2006-06-21 | オムロン株式会社 | Fftアルゴリズムを応用した周波数解析装置及び異常判定装置並びに異常判定システム |
US6898249B2 (en) * | 2002-12-17 | 2005-05-24 | Ibiquity Digital Corporation | Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers |
US7251577B2 (en) * | 2004-07-19 | 2007-07-31 | Tektronix, Inc. | Realtime power mask trigger |
-
2004
- 2004-07-19 US US10/894,707 patent/US7251577B2/en not_active Expired - Fee Related
-
2005
- 2005-07-12 DE DE102005032532A patent/DE102005032532A1/de not_active Withdrawn
- 2005-07-14 JP JP2005206110A patent/JP4845441B2/ja not_active Expired - Fee Related
- 2005-07-19 CN CNA2005100874957A patent/CN1725024A/zh active Pending
- 2005-07-19 CN CN201410125883.9A patent/CN103873023A/zh active Pending
-
2007
- 2007-01-19 US US11/655,682 patent/US7418357B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070174021A1 (en) | 2007-07-26 |
US7418357B2 (en) | 2008-08-26 |
DE102005032532A1 (de) | 2006-02-09 |
CN1725024A (zh) | 2006-01-25 |
CN103873023A (zh) | 2014-06-18 |
JP2006030202A (ja) | 2006-02-02 |
US20060015277A1 (en) | 2006-01-19 |
US7251577B2 (en) | 2007-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4845441B2 (ja) | 実時間パワー・マスク・トリガ発生器 | |
JP5249499B2 (ja) | トリガ発生器及びトリガ発生方法 | |
EP1783500B1 (en) | Time arbitrary signal power statistics measurement device and methods | |
TWI434047B (zh) | 即時示波器的即時頻譜觸發系統 | |
EP1724595B1 (en) | RF autocorrelation signal trigger generator | |
US8255179B2 (en) | Time qualified frequency mask trigger | |
US8843336B2 (en) | Trigger event detection apparatus and method therefor | |
EP2219039B1 (en) | Amplitude discrimination using the frequency mask trigger | |
JP2014077791A (ja) | 複数信号の相互関係を示す方法及び試験測定装置 | |
US8452571B2 (en) | Trigger figure-of-merit indicator | |
CN107727906B (zh) | 一种示波器自动设置的方法及其设备 | |
JP2006220629A (ja) | 蓄電池の内部インピーダンス測定装置および蓄電池の内部インピーダンス測定方法 | |
US20140012526A1 (en) | Logical triggering in the frequency domain | |
CN102735924B (zh) | 一种超外差式微波分析仪器中的频率瞬变特征检测装置及方法 | |
US8886486B2 (en) | Device and method for testing APD measuring device | |
CN105445687B (zh) | 一种频谱分析仪实时性能评价系统及评价方法 | |
Moghaddam et al. | Real-time adaptive threshold adjustment method for pulse detection in IFM receiver | |
WO2019147720A1 (en) | Quantifying random timing jitter that includes gaussian and bounded components | |
EP2520941A1 (en) | Trigger figure-of-merit indicator | |
CN115754626A (zh) | 一种电力设备局部放电信号的快速识别方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20060621 |
|
A625 | Written request for application examination (by other person) |
Free format text: JAPANESE INTERMEDIATE CODE: A625 Effective date: 20070703 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090216 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090224 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090521 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100413 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100520 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110301 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110624 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20110701 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20110906 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111004 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111011 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141021 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |