KR100226426B1 - Gtem셀의 복사에미션 측정방법 - Google Patents
Gtem셀의 복사에미션 측정방법 Download PDFInfo
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- KR100226426B1 KR100226426B1 KR1019950017175A KR19950017175A KR100226426B1 KR 100226426 B1 KR100226426 B1 KR 100226426B1 KR 1019950017175 A KR1019950017175 A KR 1019950017175A KR 19950017175 A KR19950017175 A KR 19950017175A KR 100226426 B1 KR100226426 B1 KR 100226426B1
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- 230000005855 radiation Effects 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 93
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- 241000209761 Avena Species 0.000 claims abstract 6
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- 238000005259 measurement Methods 0.000 claims description 91
- 230000005684 electric field Effects 0.000 claims description 59
- 230000008569 process Effects 0.000 claims description 24
- 238000007689 inspection Methods 0.000 claims description 8
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
- G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measurement Of Radiation (AREA)
Abstract
Description
Claims (3)
- 전자제품내의 클럭발진 등의 이유로 발생되는 전자파의 복사 에미션 측정을 위한 시설인 GTEM 셀고 OATS 와의 상관관계를 얻기 위한 복사 에미션 측정방법에 있어서, GTEM 셀의 좌표를 (X, Y, Z)로 설정하고 피시험체의 좌표를 (X', Y', Z')로 설정할 경우, 상기 GTEM 셀의 좌표(X, Y, Z)와 피시험체의 좌표(X', Y', Z')를 일치시킨 피시험체의 좌표를 (XX', YY', ZZ')으로 초기화하고 제 1 및 제 2 측정변수를 초기화하는 제 1 단계와 ; 제 1 측정변수를 1만큼 증가시키고, 제 1 측정변수에 따른 에미션 전력을 측정한 수, 상기 제 1 단계에서 초기화된 제 1 측정변수와 제 2 측정변수를 비교하는 제 2 단계와 ; 상기 제 2 단계의 비교결과에 따라 Y축에 대해 반시계방향으로 피시험체를 45°및 90°만큼 회전시킨 후 상기 제 2 단계로 재진행하는 제 3 단계와 ; 상기 제 2 단계와 제 3 단계를 소정 임계치의 범위내에서 반복수행하며 상기 피시험체의 공간좌표를 수정하는 제 4 단계와 ; 복사전계강도를 측정하기 위해 사용되는 주파수를 초기화하고, 피시험체의 바닥중심으로부터 거리, 최대수직전계, 최대수평전계, 피시험체의 회전각 및 피시험체의 높이를 측정하는 제 5 단계와 ; X, Y 좌표를 갖는 직각 좌표를 상기 제 5 단계에서 초기화된 피시험체의 회전각 및 높이를 갖는 원통 좌표로 변경하고, 변경된 원통좌표와 상기 제 2 단계에서 측정된 GTEM 전송전력을 참조하여 각 검사주파수 범위에서 최대 수직/수평전계를 계산하는 제 6 단계와 ; 상기 제 6 단계에서 계산된 최대수직전계와 수직전계를 비교하고, 상기 제 6 단계에서 계산된 최대수평전계와 수평전계를 비교하는 제 7 단계와 ; 수직전계 및 수평전계가 최대수직전계 및 최대수평전계보다 클 경우, 그 수직전계를 최대수직전계로서 저장하고 그 수평전계를 최대수평전계로서 저장한 후, 피시험체의 높이가 소정값일 때 상기 제 6 단계와 제 7 단계를 반복하는 제 8 단계와, 상기 제 8 단계에서 피시험체의 높이가 소정값일 경우, 피시험체의 회전각을 소정값으로 할 때 상기 제 5 단계의 피시험체의 단계높이를 소정값으로 초기화하는 처리를 반복하는 제 9 단계와 ; 그리고 그 회전각을 소정값으로 설정할 경우, 상기 제 8 단계에서 저장한 최대 수직전계 및 수평전계를 출력하고, 상기 주파수가 소정값으로 설정될 때 상기 제 5 단계에서 초기화된 주파수를 출력하는 제 10 단계로 이루어진 것을 특징으로 하는 GTEM 셀의 OATS와의 상관 관계를 얻기 위한 복사 에미션 측정방법.
- 제1항에 있어서, 상기 제 3 단계는, 상기 제 2 단계의 비교결과, 제 1 측정변수가 제 2 측정 변수 보다 클 경우 Y 축에 대해 반시계방향으로 45°만큼 피시험체를 회전시키고, 상기 제 2 단계로 복귀하는 제 3-1 부단계와 ; 상기 제 2 단계의 비교결과, 제 1 측정변수가 제 2 측정변수보다 클 경우, 제 1 측정변수를 제 1 내지 제 3 소정값 각각에 대해 비교하는 제 3-2 부단계와 ; 그리고 상기 제 3-2 부단계의 비교결과 제 1 측정변수가 제 1 내지 제 3 소정값과 같을 경우, Y축에 대해 반시계방향으로 90°만큼 피시험체를 회전시키는 제 3-3 부단계로 이루어진 것을 특징으로 하는 GTEM 셀의 OATS와의 상관관계를 얻기 위한 복사 에미션 측정방법.
- 제1항 또는 제2항에 있어서, 상기 제 4 단계는, 제 2 측정변수를 제 1 측정변수(n) 보다 2 만큼 큰 값으로 설정하는 상기 제 3-2 부단계의 비교결과로서 제 1 측정변수가 제 1 소정값과 같을 경우, 상기 제 1 단계에서 초기화된 (XX', YY', ZZ')형태의 피시험체 좌표를 (XY', YZ' ZZ')형태의 피시험체 좌표로 변경한 후, 상기 제 2 단계와 제 3 단계의 처리를 반복하는 제 4-1 부단계와 ; 제 2 측정변수를 제 1 측정변수(n)보다 2만큼 큰 값으로 설정하는 상기 제 3-2 부단계의 비교결과로서 제 1 측정변수가 제 2 소정값과 같을 경우, 상기 제 4-1 부단계에서 변경된 (XY', YZ' ZX')형태의 피시험체 좌표를 (XZ', YX' ZY')형태의 피시험체 좌표로 변경한 후, 상기 제 2 단계와 제 3 단계의 처리를 반복하는 제 4-2 부단계로 이루어진 것을 특징으로 하는 GTEM 셀의 OATS와의 상관관계를 얻기 위한 복사 에미션 측정방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950017175A KR100226426B1 (ko) | 1995-06-23 | 1995-06-23 | Gtem셀의 복사에미션 측정방법 |
CH01569/96A CH692228A5 (de) | 1995-06-23 | 1996-06-21 | Verfahren zur Messung emittierter Streustrahlung mittels einer GTEM-Zelle. |
US08/668,142 US5825331A (en) | 1995-06-23 | 1996-06-21 | Radiated emission measuring method using GTEM cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950017175A KR100226426B1 (ko) | 1995-06-23 | 1995-06-23 | Gtem셀의 복사에미션 측정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970002345A KR970002345A (ko) | 1997-01-24 |
KR100226426B1 true KR100226426B1 (ko) | 1999-10-15 |
Family
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Application Number | Title | Priority Date | Filing Date |
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KR1019950017175A KR100226426B1 (ko) | 1995-06-23 | 1995-06-23 | Gtem셀의 복사에미션 측정방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5825331A (ko) |
KR (1) | KR100226426B1 (ko) |
CH (1) | CH692228A5 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1114680A (ja) * | 1997-06-26 | 1999-01-22 | Fuji Xerox Co Ltd | 輻射ノイズ測定装置、輻射ノイズ測定方法、輻射ノイズ表示方法および輻射ノイズ検出装置 |
US6442371B1 (en) * | 1998-12-17 | 2002-08-27 | Lg Information & Communications, Ltd. | Polarization measuring apparatus in a mobile communication system |
JP3394202B2 (ja) * | 1999-01-13 | 2003-04-07 | 太陽誘電株式会社 | 電磁界強度の測定方法及び装置並びに電流電圧分布の測定方法及び装置 |
US6525657B1 (en) * | 2000-04-25 | 2003-02-25 | Aprel, Inc. | Apparatus and method for production testing of the RF performance of wireless communications devices |
FR2809183B1 (fr) * | 2000-05-16 | 2002-07-26 | Inrets | Dispositif d'essai en compatibilite electromagnetique |
US6711511B2 (en) * | 2000-07-06 | 2004-03-23 | Fujitsu Limited | Electromagnetic wave analyzing apparatus and computer readable storage medium |
KR100429470B1 (ko) * | 2000-10-31 | 2004-05-03 | 학교법인 한양학원 | 팽윤/상분리법을 이용한 고분자-액정 마이크로캡슐의 제조 |
US20030083831A1 (en) * | 2001-11-01 | 2003-05-01 | International Business Machines Corporation | System and method for evaluating electromagnetic emanation vulnerabilities of computing systems |
KR100456075B1 (ko) * | 2001-12-28 | 2004-11-06 | 한국전자통신연구원 | Gtem 셀을 이용한 자유 공간에서의 전자파 복사 패턴측정 방법 및 그 시스템 |
US7477877B2 (en) * | 2004-02-11 | 2009-01-13 | Sony Ericsson Mobile Communications Ab | GSM radiated sensitivity measurement technique |
KR100802181B1 (ko) * | 2006-04-10 | 2008-02-12 | 한국전자통신연구원 | 프레넬 영역에서의 안테나 방사 패턴 측정 시스템 및 그방법 |
CN101166067B (zh) * | 2006-10-17 | 2012-05-23 | 中兴通讯股份有限公司 | Cdma移动终端辐射杂散测试装置及方法 |
JP4265665B2 (ja) * | 2007-02-21 | 2009-05-20 | ソニー株式会社 | 電子機器、通信条件設定装置、通信条件設定方法及びコンピュータプログラム |
US7880670B2 (en) * | 2007-06-18 | 2011-02-01 | AGC Automotive | Signal measurement system and method for testing an RF component |
US9086432B1 (en) | 2013-06-07 | 2015-07-21 | The Boeing Company | Rapid configuration adapter |
CN104777443B (zh) * | 2015-03-25 | 2017-09-29 | 上海交通大学 | 一种局部放电特高频传感器的性能测试装置与测试方法 |
JP6686617B2 (ja) * | 2016-03-28 | 2020-04-22 | Tdk株式会社 | 放射妨害波測定装置 |
EP4113868B1 (en) * | 2017-06-16 | 2024-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Methods and measurement systems for precisely evaluating a device under test |
CN109164314B (zh) * | 2018-08-03 | 2020-05-12 | 北京邮电大学 | 一种新型搅拌方式电波混响室及混响方法 |
CN113866517B (zh) * | 2021-09-30 | 2022-04-19 | 北京航空航天大学 | 一种开阔场归一化场地衰减自动测试方法与装置 |
CN117890683B (zh) * | 2023-10-16 | 2024-11-12 | 人天通信集团有限公司 | 有源无线通信设备总辐射功率测量方法、系统及电子设备 |
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US4201987A (en) * | 1978-03-03 | 1980-05-06 | The United States Of America As Represented By The Secretary Of The Navy | Method for determining antenna near-fields from measurements on a spherical surface |
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US5119105A (en) * | 1989-06-23 | 1992-06-02 | Electronic Space Systems Corporation | M&A for performing near field measurements on a dish antenna and for utilizing said measurements to realign dish panels |
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US5404098A (en) * | 1992-08-14 | 1995-04-04 | The Electro-Mechanics Company | Method and apparatus for improved correlation of electromagnetic emmission test data |
-
1995
- 1995-06-23 KR KR1019950017175A patent/KR100226426B1/ko not_active IP Right Cessation
-
1996
- 1996-06-21 CH CH01569/96A patent/CH692228A5/de not_active IP Right Cessation
- 1996-06-21 US US08/668,142 patent/US5825331A/en not_active Expired - Fee Related
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Publication number | Publication date |
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KR970002345A (ko) | 1997-01-24 |
CH692228A5 (de) | 2002-03-28 |
US5825331A (en) | 1998-10-20 |
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