頁籤選單縮合
題 名 | 縮影片解像率--解像率測量及中英文資料需求之差異 |
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作 者 | 吳相鏞; | 書刊名 | 教育資料科學 |
卷 期 | 19:2 1981.12[民70.12] |
頁 次 | 頁215-232 |
關鍵詞 | 解像率; 資料; 縮影片; |
語 文 | 中文(Chinese) |
英文摘要 | In order to have a deeper understanding of the influence of resolution power on microfilms, in this paper, it gives a description of the determining methods of resolution power for film manufacturing and user's application. The expression of resolution power by the pattern sometimes makes one confusing, so the method by the pattern readable from the NBS Resolution Test Chart 1010A regardless of the reduction ratio has been introduced. Furthermore, using the Quality Index Chart, we can best understand the difference of the resolution power required to microfilm the originals containing only Romanic letters and those containing Chinese characters, which are much more complicated in structure than the former. |
本系統中英文摘要資訊取自各篇刊載內容。