| Paper Abstract and Keywords |
| Presentation |
Results of the comparison between the conventional and the using normalized site attenuation method for shielding effectiveness measurement
Takuya Hoshino, Mamoru Sato (NTT AT), Masaharu Sao, Tetsuya Tominaga (NTT) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The transmission loss method of the IEEE std.299-1997 and the insertion loss method of the IEC TS 61587-3 are widely used as a shield effectiveness evaluation method for shield chambers. However, measurement of reference loss is necessary in these evaluation methods, therefore these estimation methods require prolonged measurements and include problems in the reproducibility of reference loss. We had proposed a procedure to evaluate a shielding effectiveness using a normalized site attenuation method in order to solve the above-mentioned problems. In this paper we proposed a new frequency sweep shielding effectiveness measurement method using normalized site attenuation data which was measured using a transmitting antenna. And we also compared the shield effectiveness measured in Fully Anechoic Chamber using insertion loss method and in Semi-Anechoic Chamber using transmission loss method, with the shield effectiveness measured in each Chamber using frequency sweep method, respectively. According to the measured data, almost same results were obtained both by the proposed method and by the conventional method, and by using this proposed method, measurement time was able to be made into the half compared with the conventional method. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Normalized site attenuation / electromagnetic shielding / measurement procedure / IEEEstd.299-1997 / / / / |
| Reference Info. |
IEICE Tech. Rep. |
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| Conference Information |
| Committee |
EMCJ MW |
| Conference Date |
2004-10-28 - 2004-10-29 |
| Place (in Japanese) |
(See Japanese page) |
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(See Japanese page) |
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| Paper Information |
| Registration To |
EMCJ |
| Conference Code |
2004-10-EMCJ-MW |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Results of the comparison between the conventional and the using normalized site attenuation method for shielding effectiveness measurement |
| Sub Title (in English) |
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| Keyword(1) |
Normalized site attenuation |
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electromagnetic shielding |
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measurement procedure |
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IEEEstd.299-1997 |
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| 1st Author's Name |
Takuya Hoshino |
| 1st Author's Affiliation |
NTT Advanced Technology Co. (NTT AT) |
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Mamoru Sato |
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NTT Advanced Technology Co. (NTT AT) |
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Masaharu Sao |
| 3rd Author's Affiliation |
NTT Environment and Energy Labs. (NTT) |
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Tetsuya Tominaga |
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NTT Environment and Energy Labs. (NTT) |
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