spectral distribution of acoustic energy

Multi-channel linear-phase nonuniform filter banks with proper sampling factors are designed which are applied to rows and columns of the input image,respectively,according to its power spectrum distribution.

实验结果表明,该方法实现简单,尤其是在原始图像的频谱分布比较集中时非常有效。

The method combines the energy spectrum distribution of X-ray source,geometrical shapes and material compositions of sub-regions of phantoms.

为了开发出有效的医学诊断X射线CT(计算机断层扫描)射束硬化校正方法,结合X射线源能谱分布以及数学CT模体内各区域的几何形状和材料成分,提出一种宽能谱X射线投影解析计算方法。

In order to realistically simulate the projections of X-ray computed tomography(XCT),a projection simulation algorithm is presented by combining the X-ray energy spectrum distribution function with the tissue boundary approximation strategy.

为了逼真模拟X射线CT投影数据,提出一种结合X射线能谱分布函数和组织边界逼近策略的投影仿真算法。

Ultrasonic testing of spot weld based on spectrum analysis and artificial neural network

基于频谱分布分析及神经网络的点焊超声检测

Interference Fringes Visibility of the Dual-Beam Light with Gaussian Frequency Spectrum Distribution

高斯型频谱分布光源下双光束干涉可见度

These variables are carrier frequency off-set value, pre-emphasis factor, weighting factor, video spectral distribution and nominal peak to peak frequency deviation.

这些变量是载频差、预加重因子、权因子、频频谱分布以及标称峰-峰频偏。

Radar echo frequency spectrum estimation based on α stable distribution covariation

基于α稳定分布自共变的雷达回波频率谱估计

Spectrum Access Algorithm Based on Convex Programming in Distributed Cognitive Wireless Networks

分布式认知无线网络中的频谱接入凸规划算法

Distributed Collaborative Spectrum Sensing of Cognitive Radio in Fading Environment

衰落环境中认知无线电分布式合作频谱检测

MAS-Based Distributed Electromagnetic Spectrum Management System of Battlefield

基于MAS的分布式战场电磁频谱管理系统

Dynamic Spectrum Sharing Strategy in Cognitive Radio Systems

认知无线电网络中的分布式动态频谱共享

swept IF type spectrum analyzer

扫中频式频谱分析仪

Spectrum efficiency of coordinating distributed antenna cellular systems

分布式天线小区协作通信系统下行链路频谱效率的研究

high resolution low frequency spectrum analyzer

高分辨率低频谱分析仪

micro wave all-pictrue frequency spectrum analyzer

微波全景频谱分析仪

microwave pulse spectrum analyzer

微波脉冲频谱分析仪

three-dimensional dynamic spectrum analyser

三维动态频谱分析仪

swept front end type spectrum analyzer

扫前端式频谱分析仪

real-time digital spectral analyzer

实时数字频谱分析仪

real-time digital spectrum analyzer

实时数字频谱分析器

real-time all-digital spectrum analyzer

实时全数字频谱分析仪