本发明公开了一种基于融合特征MGFCC的说话人二次特征提取方法,该方法包括步骤:S1利用Mel滤波器对说话人语音进行处理得到MFCC特征;S2同时利用Gammatone滤波器对说话人语音进行处理得到GFCC特征;S3对两种特征在噪声环境下的各维特征区分度进行计算;S4统计两种特征的每一维特征处于最大F张毅...
The major purposes of the present work are: (1) to measure the interdiffusion coefficients of the fcc Ag–Mg and Ag–Mn alloys in temperature ranges of 873–1173 K, (2) to establish a reliable database for atomic mobilities of Ag–Mg and Ag–Mn fcc alloys based on present experimental...
Direct synthesis of Mg-Ti-H FCC hydrides from MgH2 and Ti by means of ball milling. J Alloys Compd 2009;481:L8-L11.Kohta Asano,Etsuo Akiba.Direct synthesis of Mg-Ti-H FCC hydrides from MgH2 and Ti by means of ball milling. Journal of Alloys and Compounds . 2009...
aThe hydrogen content in the fcc Mg0.82Zr0.18Hx is estimated by an interpolation of cell volume per formula unit between MgH2 and ZrH2.it 氢含量在fcc Mg0.82Zr0.18Hx由细胞容量的插值法估计每个惯例单位在MgH2和ZrH2.it之间[translate]
Hydrogenation / dehydrogenation properties of a series of ternary face centered cubic (FCC) hydrides "Mg_7MH_x" (M = Sc, Ti, V, Zr, Nb, Hf and Ta), which were prepared by a high-pressure technique, were investigated. Differential scanning calorimeter (D...
8265NGWMG.DTX1 FCC Approval Subscribe More actions CFree5 Beginner 08-14-2018 10:51 AM 1,527 Views Is wireless module kit 8265NGWMG.DTX1 FCC approved when using supplied antenna? If yes, can I get a link to the FCC report? Translate...
We used molecular dynamics methods to simulate the melting and cooling of isolated fcc -Al and hcp -Mg nanoparticles with embedded-atom method (EAM) potentials. Bond orientational order (BOO) parameters and Voronoi polyhedron (VP) method were used to identify the local structure and local volume...
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视光学中的BCC,FCC测试使用的都是同一种东西,就是Cross-Cylinder(交叉圆柱镜),所用的图标都是下图,只不过测量的目的和原理不同,名称有时候叫BCC,有时候叫FCC。至于JCC,指的是交叉圆柱镜精确散光的方法,发明人叫Jackson,用的工具又是Cross-Cylinder(CC),所以这种方法就被称为JCC...
奶制品氢化可的松检测 200mg 3cc 50支/盒 正相硅胶萃取柱 ¥ 460.00 商品描述 价格说明 联系我们 咨询底价 规格: 30~10000mg 比表面积: 550㎡/g 6ml规格: 30支/盒 1ml规格: 100支/盒 粒径: 50μm 基质: 硅胶 20ml规格: 20支/盒 萃取原理: 正相 容量: 1/3/6/12ml 用途...