It combines the resolution equations of passive time difference of arrival location with actual movement of underwater target,uses the Extended Kalman Filter(EKF) algorithm,analyses tracking problem of underwater target and the confidence ellipse for every moment.
将被动时差定位的解算方程与水下目标的实际运动相结合,采用扩展卡尔曼滤波算法,分析水下目标的跟踪问题及其每一时刻的置信椭圆。
In wire-cutting manufacturing of the top and bottom different curve,accomplishing cutting way of ellipse bias changing curved surface which between two plane curve into developable surface in order to calculate NC program of four axis ganging.
在上下异型工件的线切割加工中,宜采用椭圆偏置切割法,即将上、下两平面曲线间的曲面变成可展直纹面,进而计算四轴联动的数控程序,可保障加工的效率与效益。
To the 208 inpiduals with abnormal pulmonary function, we tested the confidence ellipse and found the correct discrimination rate being 97.1%,
通过208例肺功能异常者对该置信椭圆作试验,发现判别的正确率为97.1％。
Resembling an ellipse in shape;elliptical.
椭圆形的形状类似椭圆的，椭圆的
An Algebraic Condition for the Positional Relationship of an Ellipse and a Parabola (Hyperbola)
椭圆与抛物线及双曲线位置关系的代数条件
Convergence Analysis of Orthogonal Spline Collocation for Elliptic Boundary Value Problems;
椭圆边值问题正交样条配置法的收敛分析
A Collocation Finite Element Method for Elliptic Problems in Irregular Domain;
不规则区域上椭圆问题的配置有限元法
ellipsoidal head
椭球体的封头, 椭圆封头
Deviation from perfect circular or spherical form toward elliptic or ellipsoidal form.
椭圆形，椭圆球从正圆或球形向椭圆或椭圆球的偏离
Research on Improved Elliptic Curve Cryptology Resistant Against Side Channel Attacks
改进椭圆曲线加密算法抗边际信道攻击的研究
An Authentication Scheme with Self-Certified Public-Key in 3G Communication Based on Elliptic Curve Cryptosystem;
基于椭圆曲线自验证公钥的3G通信认证方案
Study of Satellite Communication ECC Arithmetic Security in Emergency Command System;
应急系统中卫星通信椭圆曲线安全算法的研究
Mobile Communication Security Research Based on ECC and J2ME;
基于椭圆曲线和J2ME的移动通信安全研究
Application of the Elliptical Curve Cryptosystem on the 3～(rd) Generation Mobil Communication;
椭圆曲线密码体制在第三代移动通信中的应用
Information Fusion of Two Sections Based on the Area of a Vector Ellipse and its Application
基于矢椭圆面积的双截面信息融合及其应用
RESEARCH ON THE IMPROVED SOLUTION BASE ON ELLIPSE CURVE DIGITAL SIGNATURE IN NETWORK COMMUNICATION
网络通信中椭圆曲线数字签名改进方案的研究
Packet Network security selection Elliptic Curve Cryptography Research
分组网通信中安全椭圆曲线密码的选取研究
Subliminal channel and its close scheme in sequential multi-signature based on elliptic curve cryptosystem
椭圆曲线有序多重签名中阈下信道及封闭方法
Research and Implementation of Information Hiding Based on Elliptic Curve Cryptosystem
基于椭圆曲线密码体制信息隐藏设计与实现
Of, relating to, or having the shape of an ellipse.
椭圆的椭圆形的、与椭圆形有关的或具有椭圆形的