{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"ae053936-f6b1-488b-8973-bb2332d1be14","title":"数字技术研究","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787308182003","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"ae053936-f6b1-488b-8973-bb2332d1be14","id":"ae053936-f6b1-488b-8973-bb2332d1be14","uuid":"ae053936-f6b1-488b-8973-bb2332d1be14","title":"数字技术研究","normalized_title":"数字技术研究","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787308182003","isbns":["9787308182003"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":790,"navigation_url":"https://workshop.closeclaw.top/ai/book/ae053936-f6b1-488b-8973-bb2332d1be14","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E6%8A%80%E6%9C%AF%E7%A0%94%E7%A9%B6","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/ae053936-f6b1-488b-8973-bb2332d1be14/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/ae053936-f6b1-488b-8973-bb2332d1be14/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/ae053936-f6b1-488b-8973-bb2332d1be14","page_url":"https://workshop.closeclaw.top/api/ai/books/ae053936-f6b1-488b-8973-bb2332d1be14/page","search_url":"https://workshop.closeclaw.top/api/ai/books/ae053936-f6b1-488b-8973-bb2332d1be14/search"},"page":{"printed_page":514,"pdf_page":538,"physical_index":538,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"3bbfc955b24790fb55df987a7a4a883b5c2b3abe875890497080028441713df0"},"chapter":"第21章物质计算：将技术融入物质世界","content":"持续时间\n\n持续时间是触觉模态的另一个重要维度。格舍伊德(Gescheider，见特尔哈特1974年的报道)测量了触觉模态下让人感觉有差异的指尖“敲击”所需的时间，结果发现最小阈值为10毫秒。巩特尔(Gunther et al.，2002)指出，少于0.1秒的刺激会被视作敲或刺，而超过这个持续时间的刺激则会被视为抚摸。\n\n节 奏\n\n节奏也是触觉反馈设计中非常重要且有用的元素。节奏一直被当作触觉图标设计中的主要参数；人们使用三种不同的节奏进行了测试，结果发现识别率可达90%以上(Brown et al.，2006)。研究指出，应该将音乐原理应用到时程模式的设计上来，而将节拍(速度)当作识别因子(Blattner et al.，1989)。\n\n部 位\n\n被认为对压力与刺激辨识最敏感的身体部位包括手指、手、胳膊、大腿及躯干(Cholewiak and Collins，1995)。在触觉图标研究中（Brown et al.2006)，人们使用了前臂的三个位置。而另一些研究表明，腹部、胳膊与后背是辨识度最高的身体部位(Chen et al.,2008; Cholewiak et al.,2004; Tan andPentland,1997)。\n\n强 度\n\n触觉中的强度检测多少有些局限，强度范围大概在检测阈之上的55分贝左右。超出该阈值的任何振动都会让人感觉不舒服，甚至感到疼痛(Verrilloand Gescheider，1992)。话虽如此，随时间发生的强度变化已被成功地应用于多个触觉显示屏中(MacLean and Enriquez,2003)。\n\n纹 理\n\n我们的触觉非常擅于检测不同的纹理。音乐创作研究表明，波形与触觉刺激物的“纹理”相关(Gunther et al.,2002)。恩里克斯和马克·利恩(Enriquezand Mac Lean,2008)对波形各异的九个触觉标识设计的识别率达到了73%。\n\n345\n\n数字技术研究(世哲手册)\n\n514","previous_page":513,"next_page":null}