{"title":"关于控制强运动加速度计中模拟胶片记录的光密度的说明","authors":"M.D. Trifunac, D.K. Marcus, K. Moslem","doi":"10.1016/0261-7277(85)90033-6","DOIUrl":null,"url":null,"abstract":"<div><p>A device and its solid state logic are described which improve the uniformity of the optical density of recorded analog traces on film. An example is presented for the Light Control Module LM-8, designed to work in the SMA-1 strong motion accelerograph. Tests have been performed to determine the overall performance of LM-8. The results are very favorable and show that LM-8 improves significantly the overall quality of strong motion acceleration traces recorded on film.</p></div>","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"4 1","pages":"Pages 31-34"},"PeriodicalIF":0.0000,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(85)90033-6","citationCount":"4","resultStr":"{\"title\":\"A note on controlling the optical density on analog film records in strong motion accelerographs\",\"authors\":\"M.D. Trifunac, D.K. Marcus, K. Moslem\",\"doi\":\"10.1016/0261-7277(85)90033-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A device and its solid state logic are described which improve the uniformity of the optical density of recorded analog traces on film. An example is presented for the Light Control Module LM-8, designed to work in the SMA-1 strong motion accelerograph. Tests have been performed to determine the overall performance of LM-8. The results are very favorable and show that LM-8 improves significantly the overall quality of strong motion acceleration traces recorded on film.</p></div>\",\"PeriodicalId\":100715,\"journal\":{\"name\":\"International Journal of Soil Dynamics and Earthquake Engineering\",\"volume\":\"4 1\",\"pages\":\"Pages 31-34\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0261-7277(85)90033-6\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Soil Dynamics and Earthquake Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0261727785900336\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Soil Dynamics and Earthquake Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0261727785900336","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A note on controlling the optical density on analog film records in strong motion accelerographs
A device and its solid state logic are described which improve the uniformity of the optical density of recorded analog traces on film. An example is presented for the Light Control Module LM-8, designed to work in the SMA-1 strong motion accelerograph. Tests have been performed to determine the overall performance of LM-8. The results are very favorable and show that LM-8 improves significantly the overall quality of strong motion acceleration traces recorded on film.
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