upper envelope是什么意思

网络释义

用法例句

The scheme of screw turning with envelop method is analyzed in the paper,and the machining parameter for the screw machining with envelop method can be selected according the analysis.

对包络法螺纹车削的原理方案进行了分析,得出了指导包络法螺纹车削切削参数选择的指导原则,提出了包络法螺纹车削仿真分析方案并进行了软件实现,对包络法螺纹车削加工具有实际的指导意义。

The spectrogram envelop of Doppler ultrasound blood flow signals from which spectrogram parameters can be estimated is important to clinical diagnosis of cardiovascular diseases.

超声多普勒血流信号声谱图包络是声谱参数提取的基础,能为临床心血管疾病的诊断提供重要信息。

Finally,the envelope of the voltage flicker signal was obtained by the principle of envelop detection.

首先由输入信号序列构造了一个样本矩阵,再利用SVD算法对样本矩阵进行奇异值分解,得到了样本矩阵的有效秩,然后根据最小二乘法估算出信号各频率分量的特征参数,最后利用解调制原理准确地得到了信号的包络。

Study on the Envelope Characteristics of Phenols by Cyclodextrin;

环糊精对酚类包络性能的研究

Envelope analysis for rolling bearings faults based on virtual instrument technology;

基于虚拟仪器技术的滚动轴承故障诊断的包络分析

Rolling bearings fault auto-diagnosis based on wavelet packet and envelope analysis;

基于小波包和包络分析的滚动轴承故障自动诊断方法

NC-Machining-Oriented Models of Plane-Generated Double Enveloping Torus Worm Pairs;

面向数控加工的平面二次包络环面蜗轮副数字信息模型

On the basis of the space mesh theory, the authors have studied the theory of involute double enveloping.

利用空间啮合原理对渐开面二次包络理论进行了深入的探讨 ,推导出啮合方程式、接触线方程 ,得出在何种情况下齿面出现啮合界限

By discussing the property of interfaces base on differential geometry, the method of using enveloping surface to model the interfaces of surfaces can be obtained, and an example is given.

在讨论曲面之间形成的过渡曲面的性质的基础上 ,提出在立体造型中利用包络实现过渡曲面的步骤和计算方法 ,并给出了实例 。

Meshing theory and analysis for envelopment worm indexing cam mechanism;

包络蜗杆分度凸轮机构的啮合原理及分析

Research on Space Intersection Algorithm with Path Envelopment in 3 Dimension Measurement;

基于轨迹包络的三坐标测量空间曲面求交算法的研究

Research of the simplified method in point model based on data envelopment;

基于数据包络的点模型简化方法的研究

failure envelope

破坏包络线断裂点轨迹

envelope delay scanner

包络延迟特性扫描器

envelope delay distortion meter

包络延迟失真测量仪

Cotorsion envelopes of modules and VN-regular ring

模的Cotorsion包络与VN-正则环

These solutions may be reduced to the envelope solitary wave solutions under some conditions.

由这种方法得到的包络周期解在一定条件下可以退化为包络冲击波解或包络孤立波解.

Rolling Bearings Fault Diagnosis by Using Wavelet Packet and Envelope Analysis

应用小波包和包络分析的滚动轴承故障诊断

The value of stability constant of supramolecular inclusion compound is independent of concentration ofβ- cyclodextrin.

其超分子包络物的包络常数值与β环糊精浓度无关。

The sum of these two waves has an envelope, and as the waves travel along, the envelope rides on them at different speed.

两列波之和有一个包络，当两列波行进时，包络以不同的速率前进。

The characteristic parameters in the time-domain are obtained by applying Gauss wavelet to envelope analysis (EA).

利用高斯小波进行解包络分析，提取包络分析的时域特征参数。

A Fuzzy DEA Model for Plan Evaluation for 3PLS Logistics Facilities System;

3PLS物流设施网络评价的模糊数据包络方法

The pericardium, also known as the pericardium collateral, is a membrane surrounding the heart and functions to protect the heart.

心包又称心包络，是包在心脏外面的包膜，有保护心脏的作用。病邪侵犯心脏，心包首先受到影响。

The pulse envelope we obtained is a hy-perbolic secant function of time.

所得脉冲包络为时间的双曲正割函数。

low-level packet

低级信息包 -网络

logically unrelated packet

逻辑无关包 -网络

nonpacket mode terminal

非包方式终端 -网络

The Network Connections folder contains all the currently installed network devices.

“网络连接”文件夹包含所有当前安装的网络设备。

Study of Burst Assembly Implementation in OBS Network Using Network Processor;

基于网络处理器实现OBS网络突发包组装的研究

Research on the Evolution of Outsourcing Network: A Research Based on Social Network Theory;

资源外包网络的进化:一个社会网络的分析方法