脊线,ridge
1)ridge[英][r?d?][美][r?d?]脊线
1.Aiming at the shortage of wavelet transform in extracting in-pulse features from FSK signal,a united time-frequency analyse method combined with time-frequency reassignment and time-frequencyridge is introduced.针对小波变换法在提取频率编码信号脉内特征中的不足,提出了将时频重排和时频脊线相结合的时频联合分析方法。
2.Aiming at the poor SNR performance of wavelet-ridge in extracting in-pulse features,an novel unite method for-frequency analysis is proposed.针对小波脊线法在提取雷达信号脉内特征时信噪比性能较差的缺点,本文基于小波变换谱,将时频重排和时频脊线相结合,提出了一种新的时频联合分析方法。
3.Gabor wavelet spectrogram is reassigned to extract Time-frequencyridge.通过对非线性结构响应的Gabor小波谱进行重排,从中提取出反映系统频率的时频脊线,由脊线得到非线性结构的瞬时频率和幅值,进而识别出结构响应信号的骨架曲线。
英文短句/例句
1.Auto-Recognizing Ridge lines and Ravine Linesby Com puter山脊线与山谷线的计算机自动检测
2.A minutiae extraction algorithm based on ridgeline following基于脊线跟踪的指纹图细节提取算法
3.Research of Fingerprint Recognition Algorithm Based on Ridge Vectorization;基于脊线矢量化的指纹识别算法研究
4.A New Method for Automatic Extraction of Ridge and Valley Axes from DEM一种新的山脊线和山谷线自动提取方法
5.Research and Implementation of Ridge-Based Automatic Fingerprint Verification Algorithm;基于脊线对准的指纹自动识别新方法的研究
6.Wavelet-ridge Method in the Signal Analysis of Compressor of Aero-engine and Its Software Design压气机信号分析的小波脊线方法和软件实现
7.Rotor Fault Detection for Induction Motor Based on Improved Wavelet Ridge基于改进小波脊线的感应电动机转子断条检测
8.Study on Fingerprint Matching Algorithm of Similar Triangle Based on Ridge Comparability基于脊线相似性的指纹三角形匹配算法
9.The cords across the back of a book to which the sheets or quires are attached.装订线穿过书脊把纸张订在一起的线
10.She glued off a book to keep the threads from unraveling她在书脊上涂胶水以防装订线脱开。
11.Analysis of Slot Arrays in Single-ridged Trapezoidal Waveguides and Applications;梯形单脊波导缝隙天线的研究及应用
12.ROC Evaluation of DR vs Conventional Plain Film in the Diagnosis of Spinal Tuberculosis;DR、传统平片诊断脊柱结核ROC曲线评价
13.A Design of Quadruple-ridged Horn Antenna with wide-bandwidth,dual polarization宽频带、双极化、四脊喇叭天线的设计
14.Analysis of X-Ray Film of 58 Cases of Patients with Spinal Fractur in Earthquake58例地震灾害脊柱外伤X线平片分析
15.X-ray contrast examination of cerebrospinal fluid cervical lymphatic drainage in rabbit兔脑脊液颈淋巴回流的X-线造影检查
16.An x-ray of the spinal cord after injection of air or a radiopaque substance into the subarachnoid space.脊髓x线照片脊髓的x射线，它将空气或射线不能透过的物质注入蜘蛛网膜下的空间以后产生
17.31 Check that your head is in line with your spine.检查你的头和脊椎是否已成一直线不要弯曲。
18.A waving plume, moderately set, follows the line of the spine at the base.一挥手羽,中度规定,以下线的脊椎在该基地.
相关短句/例句
ridge line脊线
1.Theridge line slopes northward with hight while southward in 160°E～180°.西太平洋地区副高脊轴随高度向北倾斜 ,而 1 60°E～ 1 80°地区向南倾斜 ;北太平洋中、西部副高在北进期的脊线活动均存在显著的 1 0～ 2 0 d周期低频振荡 ,东亚季风区还具有明显的准 40 d振荡周期。
3)ridges[英][rid?][美][r?d?]脊线
1.The frequencies and viscous damping ratios are obtained by theridges of the wavelet coefficients.利用小波变换时频分析的特点 ,用Morlet复小波函数对线性系统的自由振动响应进行小波变换 ,通过脊线上的小波系数进行系统识别 ,并用数值计算证实此方法的正确性 。
2.According to the theory of Carmona,there is a simple relationship between wavelet coefficient and the original signal,and the maxima line of continuous wavelet transform locates theridges.根据Carmona的多脊线识别理论,连续小波变换时频平面上模极大值线所在位置就是脊线位置,其小波系数与时域信号之间存在简单的对应关系,利用Crazy Climber算法提取小波变换系数的脊,就可以重构时域信号。
4)Ridgeline tracking脊线跟踪
1.In this paper,a new algorithm based on ridgeline tracking is proposed.在脊线跟踪的基础上,直接在灰度图像上,沿纹线方向追踪血管脊线,在追踪的过程中,局部增强图像,局部设置域值,最后得到一幅血管脊线骨架图和附加其上的细节点信息。
5)wavelet ridge小波脊线
1.Detection of LFM signals based onwavelet ridge extracting and Hough transform;基于小波脊线-Hough变换的LFM信号检测
2.Multiwavelet ridge extraction based on reassigning algorithmand singular value decomposition基于重分配配算法和奇异值分解的多小波脊线提取
3.In order to solve the effect of the SNR and the problem of parameter estimation,this article is based on thewavelet ridge of asymptotical signal,and the relation between instantaneous frequency andwavelet ridge,the authors make use of this theory to solve the instantaneous frequency measurements of noncooperated signal.从渐进信号的小波脊线出发,根据小波脊线的迭代算法以及瞬时频率与小波脊线之间的关系,对非合作源信号频率进行估计。
6)ridge alignment脊线校准
1.Fingerprint minutia matching algorithm based onridge alignment;基于脊线校准的指纹细节点匹配算法
延伸阅读
脊线脊线edge of regression脊线汇吨母Of任gI妞..;ao3opara衅6p哎，}，回归棱一种由流形到E侧为d空间的可微映射的奇异性(51叩山rity ofd迁rerentinblerr以Ppm罗).在由曲面M到三维Euclid空间尸的映射f这一最简单情形，脊线指的是M中的一条光滑曲线L，具有光滑象f(L)C公，使对任何p任f(L)，M与过p且垂直于f(L)的平面7r的交是一尖点(拙p).脊线出现于伪球面中.M.H.Bo认够xo.c盆，认撰【补注】亦见可展曲面(山代响阶比s侧知卯)的脊线·脊线也称为尖棱(那p浏初罗).它是AJ型稳定焦散线(以璐tic)，见「All，331页.
