{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":2,"startPagecode":1},"records":[{"abstractinfo":"为了解决传统算法中弹痕图像深度特征信息丢失的问题，本文提出一种能够计算出弹痕图像深度特征参数信息的三维点云图像特征提取算法.该方法根据棱线斜率变化从局部极值点中找到特征点，运用线性拟合法构建三角形对特征参数值进行计算，确定弹痕特征参数值的相似范围，通过利用相似范围对未知弹头进行判别，实现弹痕和枪的一致性确认.实验结果表明：所提出的算法在现有样本的条件下，弹痕比对的正确识别率达到90％以上，单组弹痕数据的转换、特征提取和参数计算共用时32．7 s.算法满足弹痕比对需求，可以对后续弹痕比对提供可信依据，具有一定的理论价值和实用意义.","authors":[{"authorName":"马鑫","id":"41e04a5b-e772-4afb-9420-29731d11f52a","originalAuthorName":"马鑫"},{"authorName":"魏仲慧","id":"2c930cd7-dd38-4aae-9611-8c3fb0b7be76","originalAuthorName":"魏仲慧"},{"authorName":"何昕","id":"9170f675-4d3e-4be1-af87-9c570f3d8fd8","originalAuthorName":"何昕"},{"authorName":"于国栋","id":"6298704c-b3f2-48de-9121-14fdc8b1f687","originalAuthorName":"于国栋"}],"doi":"10.3788/YJYXS20163109.0889","fpage":"889","id":"fe050ef8-43cd-4536-8941-14d1bf683c2c","issue":"9","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"26e85921-9a8b-4319-a7dd-f348e3394a1a","keyword":"枪弹痕","originalKeyword":"枪弹痕"},{"id":"0826ea2c-38a8-4adc-b7cb-f66058bd8315","keyword":"深度特征信息","originalKeyword":"深度特征信息"},{"id":"3af44e92-dbac-4690-894f-126174a698bf","keyword":"点云","originalKeyword":"点云"},{"id":"13abbfd0-fedf-4ea3-be17-e9cb0184421e","keyword":"斜率","originalKeyword":"斜率"},{"id":"87f8c346-82a9-4cf2-8fa4-856c20ca7ab6","keyword":"相似范围","originalKeyword":"相似范围"}],"language":"zh","publisherId":"yjyxs201609007","title":"三维枪弹痕点云数据处理及特征提取研究","volume":"31","year":"2016"},{"abstractinfo":"针对三维枪弹痕迹比对中的数据配准问题,提出了一种采用区域特征匹配的配准算法.在通过干涉仪获取枪弹痕迹三维数据后,首先采用基于剪切波的多尺度几何分析方法对数据去噪,以保证去除噪声的同时减少有效信息的损失,然后采用改进的一维高斯滤波器分离三维枪弹痕迹中的轮廓信息和纹理细节,另外,将三维弹痕纹理信息进行分区,并通过纹理信息中擦划痕迹明显的特征区域进行数据配准,最后,在配准过程中引入齐次变换矩阵以提高配准精度,并采用计算不同数据间互相关测度值的方法评价配准效果,通过纹理信息的配准结果完成原始三维枪弹痕迹的配准.实验结果表明,所提出的配准算法能够提高弹痕自动比对正确率,在现有样本及自动比对方法情况下,能够将比对正确率从90％提高至98％.","authors":[{"authorName":"韩冬松","id":"760d1afa-588d-4d0a-971d-c33090bf3d0e","originalAuthorName":"韩冬松"},{"authorName":"何昕","id":"b1c32f0c-6847-4610-848e-972feac83f2f","originalAuthorName":"何昕"},{"authorName":"魏仲慧","id":"4311cf86-20a6-4416-a666-f50dc1c2c6ed","originalAuthorName":"魏仲慧"},{"authorName":"李一芒","id":"634114ac-e47d-4ae5-be8a-34c4e4f4dbfc","originalAuthorName":"李一芒"}],"doi":"10.3788/YJYXS20142905.0761","fpage":"761","id":"e00ae79f-4ea9-446b-9991-017c51adf99c","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"90d3292b-5f76-428f-b327-8d8eb1af15e7","keyword":"三维枪弹痕迹","originalKeyword":"三维枪弹痕迹"},{"id":"ee1e0f93-2b17-4ec9-82ae-399086580ef4","keyword":"区域特征","originalKeyword":"区域特征"},{"id":"5388c064-6192-4144-ae43-ad88e23751d3","keyword":"数据配准","originalKeyword":"数据配准"},{"id":"f885fe1f-ab09-4d3a-ad34-ebb8b2511d0d","keyword":"剪切波","originalKeyword":"剪切波"}],"language":"zh","publisherId":"yjyxs201405020","title":"采用区域特征匹配的三维弹痕自动配准","volume":"29","year":"2014"},{"abstractinfo":"用7.62 mm和12.7 mm穿燃弹对不同厚度的均质铝合金板进行倾角效应试验,以研究铝合金板倾角对其防护力的影响.在试验中均以弹丸在标准弹速下对后效板的残余穿深或对靶板的总穿深来作为衡量抗弹性能的指标.对这两种穿燃弹而言,小角度时,装甲防护力比0.角时低,随着倾角增大,防护力逐渐提高.","authors":[{"authorName":"姚艳玲","id":"cdc95268-1db0-4674-b524-2f9f163ed823","originalAuthorName":"姚艳玲"},{"authorName":"赵宝荣","id":"eb7083d3-6d26-418c-8e60-daef04e144d2","originalAuthorName":"赵宝荣"},{"authorName":"钟涛","id":"c093fe09-fcd4-4dd3-801a-a06c61b6d680","originalAuthorName":"钟涛"},{"authorName":"白嵘","id":"84d5f93e-7344-4d39-b759-3fd22482b0b1","originalAuthorName":"白嵘"}],"doi":"10.3969/j.issn.1004-244X.2005.03.011","fpage":"33","id":"2270d9f0-4780-4904-921c-db9cb1a7ddf0","issue":"3","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"263c1ef3-a053-4e01-a592-9460bcd40a03","keyword":"铝合金板","originalKeyword":"铝合金板"},{"id":"db6c361e-4376-4651-95f6-92d61856a4ad","keyword":"倾角效应","originalKeyword":"倾角效应"}],"language":"zh","publisherId":"bqclkxygc200503011","title":"铝合金板抗枪弹倾角效应试验研究","volume":"28","year":"2005"},{"abstractinfo":"利用卵形尖头弹丸垂直撞击40CrNi2Mo钢中厚靶板,观察不间弹速下钢板出现的损伤形貌,评定背面强度极限,分析了穿甲机制与抗弹性能的关系.结果表明,抗拉强度小于1 270 MPa时,钢板以塑性扩孔形式穿甲.利用两阶段塑性扩孔模型计算出的钢板塑性扩孔耗能与实验吻合较好.由于强度是影响塑性扩孔耗能的主要因素,因而钢板的抗弹性能随着强度升高而单调递增.强度进一步升高后钢板因产生与绝热剪切相关的损伤而失效,因而抗弹性能下降.","authors":[{"authorName":"李晓源","id":"62b5447d-9daa-4d9d-b957-a493f637aca5","originalAuthorName":"李晓源"},{"authorName":"时捷","id":"09ec6067-3f23-43e2-9294-7e99eb8d836d","originalAuthorName":"时捷"},{"authorName":"董瀚","id":"c377dde4-d0a7-4cef-9f33-4d3d29245b53","originalAuthorName":"董瀚"}],"doi":"10.3969/j.issn.1004-244X.2010.02.008","fpage":"27","id":"513d3ea9-14ef-4041-8050-3413cbfb9e55","issue":"2","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"39bcd48b-d9ef-44ea-8eef-0bfd2874d6bf","keyword":"40CrNi2Mo钢","originalKeyword":"40CrNi2Mo钢"},{"id":"07c42eae-22a5-4799-9f3a-8af2ab0b1501","keyword":"塑性扩孔","originalKeyword":"塑性扩孔"},{"id":"59e1cf21-835f-42dd-9bf3-e87045288f3b","keyword":"绝热剪切","originalKeyword":"绝热剪切"},{"id":"58228476-21cb-49df-ab4c-c10f37ab1988","keyword":"抗弹性能","originalKeyword":"抗弹性能"}],"language":"zh","publisherId":"bqclkxygc201002008","title":"40CrNi2Mo钢中厚靶板的抗枪弹行为研究","volume":"32","year":"2010"},{"abstractinfo":"为了弹痕的自动比对,建立了基于结构光的子弹三维纹理信息获取系统.由于在采集三维信息时子弹的中轴线与采集系统的y坐标轴很难做到完全重合,这需要进行相应的坐标旋转,尤其是在子弹变形时,无法利用子弹近似圆柱提取这一信息,这都给弹痕提取带来了很大的困难.本系统采用高斯逼近滤波器的方法获取高斯滤波中线,然后将三维弹痕信息与高斯滤波中线相减,进而提取出子弹的弹痕信息.利用冲激响应不变法设计了十二级的ⅡR型数字高斯滤波器,所设计的高斯逼近滤波器最大幅度偏差只有1.38％,大大优于ISO11562规定的2.5％的最大幅度偏差.此方法使得弹痕提取过程更简单,提取结果更精确,对后续弹痕比对的准确率有明显的提升.","authors":[{"authorName":"乔培玉","id":"f11381d7-2e62-44d1-9e1e-7a8a7765f85e","originalAuthorName":"乔培玉"},{"authorName":"何昕","id":"ee203f2c-f823-4e31-9408-105267279534","originalAuthorName":"何昕"},{"authorName":"魏仲慧","id":"3d51f576-fc40-4d7c-9c08-42c33be36f56","originalAuthorName":"魏仲慧"},{"authorName":"王方雨","id":"df8a6ada-09a0-4e4e-a966-bdc106244fd9","originalAuthorName":"王方雨"},{"authorName":"林为才","id":"01e7e34f-96e9-4096-be7a-4d9fa65653b1","originalAuthorName":"林为才"}],"doi":"10.3788/YJYXS20122705.0708","fpage":"708","id":"8402fa98-ebf2-4bea-9e9a-10b13342b624","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"7c0611c9-0a4d-4627-9dbb-5010abb3c69f","keyword":"三维纹理","originalKeyword":"三维纹理"},{"id":"d26f3ea3-6122-4e16-b8e6-cd3d88a0eb5f","keyword":"弹痕特征","originalKeyword":"弹痕特征"},{"id":"b92206d1-608f-4724-a984-22df3f44d6c2","keyword":"高斯滤波器","originalKeyword":"高斯滤波器"},{"id":"73fdbed2-2ea4-4cf1-a132-e61a406983a6","keyword":"高斯滤波中线","originalKeyword":"高斯滤波中线"}],"language":"zh","publisherId":"yjyxs201205024","title":"高斯滤波器在子弹三维图像特征提取中的应用","volume":"27","year":"2012"},{"abstractinfo":"采用12.7 mm穿甲燃烧弹对不同厚度的Ti-6Al-4V钛合金板进行厚度效应试验,研究钛合金板厚度对其防护能力的影响.采用等重钢总穿深及防护系数的方法考核其抗弹性能.结果表明,钛合金板抗小口径枪弹(12.7 mm穿燃弹)板厚在10～30 mm间厚度效应呈现正效应.","authors":[{"authorName":"苗成","id":"12434fbf-b53f-4387-ba01-ba04a18af19b","originalAuthorName":"苗成"},{"authorName":"刘江南","id":"9a5f646c-e15b-47d2-96af-10c7f7b3d66a","originalAuthorName":"刘江南"},{"authorName":"钟涛","id":"c4058278-7cca-4371-aff4-21ee61fee17f","originalAuthorName":"钟涛"},{"authorName":"李树涛","id":"e1268074-9182-4863-94a9-9f1f0b5d60cd","originalAuthorName":"李树涛"},{"authorName":"武海玲","id":"0e7a9645-8fd2-4cda-a0f7-cabfd450cd52","originalAuthorName":"武海玲"},{"authorName":"杨伟苓","id":"201a3179-0f91-477a-bf55-41b25efa596d","originalAuthorName":"杨伟苓"}],"doi":"10.3969/j.issn.1004-244X.2012.05.020","fpage":"68","id":"516d5944-5058-4a34-9bbc-709ff82b96d8","issue":"5","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"d1506cf5-8bb1-4f97-b93e-94fcf8b0a2e6","keyword":"钛合金板","originalKeyword":"钛合金板"},{"id":"109361b3-3c9a-4434-843b-b0f48d9247c4","keyword":"厚度效应","originalKeyword":"厚度效应"},{"id":"0fd8b186-c5b9-45a6-a851-0b844e610f64","keyword":"抗弹性能","originalKeyword":"抗弹性能"}],"language":"zh","publisherId":"bqclkxygc201205020","title":"钛合金板抗12.7mm穿甲燃烧弹厚度效应试验研究","volume":"35","year":"2012"},{"abstractinfo":"采用12.7 mm穿甲枪弹,进行陶瓷/铝合金复合装甲在不同倾角条件下抗弹侵彻试验,研究倾角效应对抗弹性能的影响.研究结果表明:陶瓷复合装甲的倾角效应为正效应,即随着倾角增大,陶瓷的抗弹性能提高;弹靶作用时陶瓷面板中倒陶瓷锥的形成是陶瓷复合装甲抗弹性能提高的主要原因.","authors":[{"authorName":"胡丽萍","id":"352ced86-491a-41f9-af2d-7b98e7c00ef9","originalAuthorName":"胡丽萍"},{"authorName":"钟涛","id":"c5deb07a-e416-4a79-8b41-819cc5d118f1","originalAuthorName":"钟涛"},{"authorName":"王智慧","id":"ed54b3e5-4386-45d2-bc9c-827e31339e5f","originalAuthorName":"王智慧"},{"authorName":"田时雨","id":"cd7cf5a3-8e50-4d8e-8a4d-5a08ab7a6874","originalAuthorName":"田时雨"},{"authorName":"李述涛","id":"ffc3116b-7541-441f-a8ea-63647c1c9a07","originalAuthorName":"李述涛"}],"doi":"10.3969/j.issn.1004-244X.2009.02.025","fpage":"87","id":"81f9c290-e663-4344-b6f6-6c37f231065b","issue":"2","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程 "},"keywords":[{"id":"48591738-ced7-4758-8398-c911b921d08d","keyword":"倾角效应","originalKeyword":"倾角效应"},{"id":"270f185b-1393-4c8b-8525-c8b93a975ed4","keyword":"陶瓷/铝合金","originalKeyword":"陶瓷/铝合金"},{"id":"ac7e3065-a04c-44ca-9204-e1cf0f205cd0","keyword":"复合装甲","originalKeyword":"复合装甲"},{"id":"53e856b7-7721-4130-baa7-15f723fdca47","keyword":"倒陶瓷锥","originalKeyword":"倒陶瓷锥"}],"language":"zh","publisherId":"bqclkxygc200902025","title":"陶瓷/铝合金复合装甲倾角效应研究","volume":"32","year":"2009"},{"abstractinfo":"利用51B式7.62mm手枪弹对不同强度和塑性的薄钢板进行枪击试验,采用ANSYS/LS-DYNA软件对试验过程进行数值模拟,对试验和数值模拟过程的钢板破坏形貌、背凸高度、残余弹丸长度等宏观形貌进行比较。结合抗弹过程中弹丸和钢板消耗的能量,分析了强度和塑性对钢板抗弹性能的影响。结果表明：尽管两种钢板的抗拉强度和断后伸长率差异较大,但其抗51B式7.62mm手枪弹性能相当。试验和数值模拟结果吻合较好,模拟方法能够正确地反映弹丸冲击靶板过程。因较高强度钢板使弹丸变形消耗的能量大于较低强度钢板,塑性较好钢板本身变形消耗的能量大于较低塑性钢板,从而解释了两种钢板抗弹性能相当的试验结果。","authors":[{"authorName":"肖红亮","id":"fbb594f0-85af-4ab2-a2d1-a7e87623a1d1","originalAuthorName":"肖红亮"},{"authorName":"时捷","id":"dd6d84fd-b7e2-4740-b3c8-7b322bfe323a","originalAuthorName":"时捷"},{"authorName":"曹文全","id":"42591f28-6b6b-48d5-984a-9d2e3bf3bd66","originalAuthorName":"曹文全"},{"authorName":"雍岐龙","id":"8fcfc272-fe47-4db4-bc01-1f8dcbabc5a0","originalAuthorName":"雍岐龙"},{"authorName":"董瀚","id":"1fdaffc2-09e0-43f2-9e27-d5bfdc4d485c","originalAuthorName":"董瀚"}],"doi":"","fpage":"69","id":"62dfa435-dbb9-4442-83c6-00ccc7d2d257","issue":"6","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"a1812ecc-d5db-447f-8f0e-b2af09db957a","keyword":"薄钢板","originalKeyword":"薄钢板"},{"id":"1055ecf8-7b72-4a36-b7ff-fca5ea6e10e4","keyword":"51B式7.62mm手枪弹","originalKeyword":"51B式7.62mm手枪弹"},{"id":"840ddcad-5fe5-4e5a-973c-ed3fa437bbe0","keyword":"耗能分析","originalKeyword":"耗能分析"},{"id":"fd47ce08-d6e9-4b1b-8fb1-cbb6a29f25cb","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gt201206015","title":"两种不同强塑性薄钢板抗弹性能的试验和数值模拟","volume":"47","year":"2012"},{"abstractinfo":"利用51B式7.62mm手枪弹对不同强度和塑性的薄钢板进行枪击试验，采用ANSYS/LS-DYNA软件对试验过程进行数值模拟，对试验和数值模拟过程的钢板破坏形貌、背凸高度、残余弹丸长度等宏观形貌进行比较。结合抗弹过程中弹丸和钢板消耗的能量，分析了强度和塑性对钢板抗弹性能的影响。结果表明：尽管两种钢板的抗拉强度和断后伸长率差异较大，但其抗51B式7.62mm手枪弹性能相当。试验和数值模拟结果吻合较好，模拟方法能够正确地反映弹丸冲击靶板过程。因较高强度钢板使弹丸变形消耗的能量大于较低强度钢板，塑性较好钢板本身变形消耗的能量大于较低塑性钢板，从而解释了两种钢板抗弹性能相当的试验结果。","authors":[{"authorName":"肖红亮，时捷，曹文全，雍岐龙，董瀚","id":"f57ae3eb-0b54-459a-bab4-8df2f9dcf112","originalAuthorName":"肖红亮，时捷，曹文全，雍岐龙，董瀚"}],"categoryName":"|","doi":"","fpage":"69","id":"d2ff9274-bf7a-4117-8f84-71606cb880f3","issue":"6","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"78260e33-f221-4533-8dad-757565ad4aa2","keyword":"薄钢板 ","originalKeyword":"薄钢板 "},{"id":"2c064457-1ad3-4390-990f-b4a7954c7ab3","keyword":" 51B type 7.62mm pistol bullet ","originalKeyword":" 51B type 7.62mm pistol bullet "},{"id":"5459f1e5-40f2-4008-9b2e-f98d25802566","keyword":" energy absorption ","originalKeyword":" energy absorption "},{"id":"81b9ca38-8c3f-4c76-bcf6-bd6bf6389202","keyword":" numerical simulation","originalKeyword":" numerical simulation"}],"language":"zh","publisherId":"0449-749X_2012_6_3","title":"两种不同强塑性薄钢板抗弹性能的试验和数值模拟","volume":"47","year":"2012"},{"abstractinfo":"陶瓷作为一种轻质高硬材料,已经广泛应用于防护小口径枪弹威胁的轻型装甲中,然而陶瓷装甲抗多次打击能力还需要提高.穿甲过程中,约束条件下瓷材料产生的Dwell现象能有效提高陶瓷的强度和硬度,从而提高陶瓷装甲的抗多次打击能力.介绍了陶瓷装甲在穿甲过程中产生的Dwell现象的定义、微观机理、影响因素以及其研究热点和研究动态.提出了仍待研究的问题并指出研究方向将集中在数值模拟计算方面.","authors":[{"authorName":"胡欣","id":"994654ba-3b89-4fd1-8f06-9a7ef35ca5ff","originalAuthorName":"胡欣"},{"authorName":"王富耻","id":"ded039ad-cc69-4ec7-b801-3dfd34b9ae24","originalAuthorName":"王富耻"},{"authorName":"王扬卫","id":"485d0c11-0303-440b-90df-09a0d95af0b7","originalAuthorName":"王扬卫"},{"authorName":"于晓东","id":"9b4d414d-e16f-4363-baac-f320abbb2b44","originalAuthorName":"于晓东"}],"doi":"","fpage":"80","id":"3e1cd517-5544-4508-be4c-512fd1cfe956","issue":"1","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"5b755868-dae1-49ab-8005-e0788b087d32","keyword":"Dwell","originalKeyword":"Dwell"},{"id":"437e6128-00d7-4419-89ad-5b2dccd99554","keyword":"预应力","originalKeyword":"预应力"},{"id":"79aa2ef4-831a-45cf-b002-d23fe1539b72","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"cldb200901019","title":"穿甲过程中的Dwell现象","volume":"23","year":"2009"}],"totalpage":2,"totalrecord":16}