试探基于似然比的枪弹痕迹检验鉴定  

The Likelihood Ratio Test to Test Trace Bullet Identification Based on

作　　者：尹丽兰 王宏伟[1] 张舒伦[1] 张迪迪[1] 

机构地区：[1]中国刑事警察学院,辽宁沈阳110035

出　　处：《广东化工》2017年第1期23-23,52,共2页Guangdong Chemical Industry

摘　　要：随着司法鉴定专家以似然比方式表述证据性的依据,物证的司法鉴定证据力都逐渐倾向于用数学概率逻辑规则呈现。本文通过借鉴似然比在DNA、声像和笔迹中的应用研究成果,借助体式显微镜和比对显微镜,通过使用2支QSZ92式9 mm手枪射击DAP9mm手枪弹各100枚,对收集的弹壳进行观察、统计、分析同一支枪射击的多枚子弹的痕迹特征和不同枪种射击同一种子弹的痕迹特征,尝试用一种贝叶斯公式表达子弹痕迹认定枪支的概率。With the judicial expertise in the likelihood ratio method to express evidence based, evidence of the forensic evidence are gradually inclined to use mathematical probability and logic rules. The likelihood ratio application research in DNA, audio-visual and handwriting, with stereo microscope and comparison microscope, by using 2 QSZ92 9ram DAP9mm pistol pistol shooting the 100 medals, to collect shells were trace characteristics of trace characteristic observation and statistical analysis with a gun shooting multiple bullet and different kind of gun shooting with a bullet, try to use a Bayesian formula expressing the probability of gun bullet marks identification.

关 键 词：证据力 似然比 枪弹痕迹 认定枪支 

分 类 号：O211.4[理学—概率论与数理统计]