Then PSO was adopted to solve the ultrasonic reflection coefficient amplitudes corresponding to the position set,so as to eliminate the distorted wavelet\'s smoothness effect and improve the detection resolution.
在利用小波变换多分辨率分析能力对超声反射回波信号消噪,并确定超声反射系数位置集的基础上,采用粒子群优化算法求出相应位置反射系数的幅值,从而消除畸变小波的平滑作用,有效改善检测分辨率。
histogram frequency distribution diagram
柱状图解频率分布图
a bar chart representing a frequency distribution; heights of the bars represent observed frequencies.
表示频率分布的条形图;条形的高度代表观察到的频率。
frequency response characteristics
频率响应特性(图)
THE MAP OF THE FAULT STSUCTURE FREQUENCY AND THE DISTRIBUTION OF GOLD DEPOSITS-THE DISTRIBUTION OF GOLD DEPOSITS IN NEVADA IS AN EXAMOLE
断裂构造频率图与金矿分布的关系——以美国内华达州为例
Improved Complete Graph Algorithm of Solve Frequency Assignment Problem
求解频率指配问题改进的完全图算法
Doppler effect can be demonstrated by manufactured device when the sound source is in circular motion. The frequency spectrum is gained with chart spectrum analysis software.
利用自制装置演示了声源作圆周运动的多普勒效应,并应用图谱分析软件得到频率分布图.
density profile,pressure profile
密度分布图,压力分布图
Rate Estimation Algorithm for Distributed Video Coding on Decoder
分布式视频解码器端的码率估计算法
Analysis of Frequency transfer characteristic of AM/FM screened image
调幅/调频网点图像的频率传递特性分析
general stratigraphic colum
综合地层柱状剖面图
stratigraphic correlation diagram
地层柱状剖面对比图
Video Semantic State Modeling Using Undirected Probabilistic Graphic Models
基于无向概率图模型的视频语义状态建模
Skill in Developing Hydrologic Frequency Curve Soft of Pearson Type Ⅲ Distribution
皮尔逊Ⅲ型频率曲线图解适线软件开发
An Analytical Method of Seeking Cutoff Frequency in Bode Diagram
在伯德图上求截止频率的一种解析方法
The Bradford Distribution of the Books Loan Frequency in Library and Its Impact Factor
科技图书外借频数的布氏分布及其影响因素
The Digitization-process Design of Blueprint in Mine and the Study of Distribution of Collapse Pillars;
矿图数字化方案设计及陷落柱分布规律研究
lognormal cumulative frequency
对数正态累积频率图
Graphical Analysis of the Customs Duty Income Effect and Customs Rate
关税收入效应和关税税率的图解分析