廓线

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廓线廓线
廓线[kuò xiàn]
  1. P波段风廓线雷达结构总体设计

    System Design of the Structure of a P-band Wind Profile Radar

  2. 地面温度和温度廓线对CO2辐射强迫的影响。

    The effects of surface temperature and temperature profile on the radiative forcing .

  3. 大气温度和湿度廓线的CT遥感方法仿真研究

    Research on Atmospheric Temperature and Moisture Profiles Retrieve by Computed Tomography Method

  4. 基于图解法的凸轮廓线CAD设计

    Design of Convex Outline by Graphic Method Based on CAD

  5. 基于MATLAB的圆柱凸轮廓线的多项式拟合及设计

    Columned Cam Contour Polynomial Graph Fitting and Design Based on MATLAB

  6. 北京地区雷暴大风日θe平均廓线特征

    θ _e Profile Characteristics of Downburst Days in Beijing Area

  7. 利用地基GPS测量大气水汽廓线的方法

    Approaches to Atmospheric Water Vapor Profile Sounding by GPS

  8. 直动从动件凸轮廓线曲率半径的CAD动画计算

    CAD Animation Method for Computing the Radius of Curvature of Disk-cam with Straight Moving Follower

  9. 进一步讨论了采用CAD动画的方法,高速高精度地计算凸轮廓线曲率半径的过程。

    Then the process for computing the radius of curvature of planar cam profile is introduced by means of CAD animation .

  10. 运用MATLAB设计了空气动力汽车凸轮的理论廓线和实际廓线。

    Using MATLAB to design a theoretical contour and the practical contour of the cam in the air powered car .

  11. 风廓线仪信噪比SNR(Signal-to-NoiseRatio)分析结果也有类似结论。

    The analysis of signal noise ratio ( snr ) of wind profiler obtains the same results .

  12. 利用三次非均匀B样条曲线设计光顺凸轮廓线,使加速度曲线光滑,廓线便于控制和修正。

    Using cubic non-uniform B-spline curve to design and fair cam profile could let the acceleration curve be smoother and the profile be controlled and modified more conveniently .

  13. 利用该方法推导出了空间凸轮廓线方程,采用Matlab软件编程计算,显示了凸轮廓线形状和凸轮压力角的变化情况。

    The MatLab software was used for programming and calculating and the variations of the cam contour and the pressure angles were displayed .

  14. 风廓线雷达MMSE脉冲压缩的实现

    The Implement of MMSE Pulse Compression of Wind Profiler Radar

  15. 对红外卫星云图进行图象处理之后,对MCS的边界廓线进行傅里叶展开,求得其形态特征。

    After satellite image was processed , Fourier expansion was made for MCS 's boundary line .

  16. 纯滚动接触直动从动件盘形凸轮廓线设计Bezier辊弯工件CAM系统的设计与制造

    Synthesis of translation cam - follower systems with rolling contact Development of the CAM System Used for Bezier Cold Rolling Workpieces

  17. 愈精确的Bowen比或者廓线的观测能给出愈精确的信息。

    The more sophisticated Bowen ratio or profile observation gives the more precise information .

  18. 本文主要包括以下几点研究内容:1.利用微波辐射计观测数据,使用多元线性统计回归方法和BP神经网络方法分别对大气温度和水汽密度廓线进行了反演。

    This paper uses the microwave radiometer observation data to retrieval the atmospheric temperature profiles and the water vapor density profiles with the multiple linear regression method and the BP neural network method .

  19. CO2浓度升高后风速对廓线影响的基本规律没有发生改变,但是冠层中CO2浓度差将进一步加大。

    The basic regulation of impacts of wind velocity on CO 2 distribution will have no change , but the spatial difference of concentration in canopy will increase under the doubled CO 2 scenery .

  20. 用改进的EOF方法和卫星AMSU反演大气温度廓线的一次数值实验

    A numerical experiment of the atmospheric temperature profile inversion from satellite-based AMSU measurements through the improved EOF approach

  21. 给出了P波段风廓线雷达结构总体设计,针对天气雷达的特点、技术和环境条件的要求对总体结构的几个主要组成作了简要的介绍,可以作为风廓线雷达结构设计参考。

    In this paper , we present the structural design of a P-band wind profile radar and give a detailed introduction to the main parts of its structure . It can be used as reference for the structural design of similar P-band weather radar system .

  22. 介绍了湍流廓线激光雷达控制系统的设计和实现,运用Visualc++语言编写软件,通过单片机实现了对像增强器、发射望远镜和接收望远镜焦距的有效调节,实现了基于NT平台下的端口操作。

    Control technology of turbulence profile lidar is introduced . Visual C + + was used for programming to control the ICCD , focus of transmitting telescope and receiving telescope . Port operation is realized based on NT operation system .

  23. 根据Mie理论,计算了降雨率小于12.5mm/h时,降雨融化层对5,10,35,94GHz电磁波的雷达反射率和特征衰减因子的垂直廓线。

    Vertical profiles of radar reflectivity and specific attenuation factor are computed at 5,10,35 and 94 GHz using the Mie theory at rain rates below 12.5 mm / h.

  24. 本文以包络原理为基础,在从动件运动规律给定的情况下,通过matlab编程来对凸轮机构进行分析与研究,并通过实例绘制出其理论廓线和实际廓线。

    Based on the theory of envelop and given the kinetic rule of the follower , this thesis analyses and studies the cam mechanism with the matlab compiling techniques , and draws its theoretic and realistic outline curves by way of an example .

  25. 文章首先简述了雷达信号处理机的特点,然后以某风廓线雷达为例,介绍了选择通用DSP板进行二次开发实现雷达信号处理机的方法,以及雷达信号处理机硬件结构和软件设计方法。

    This paper begins with an introduction to the characters of radar signal processor . It then cites wind profiling radar as an example to discuss the hardware structure and software design method of radar 's singal processing subsystem by using DSP board .

  26. 采用Nd∶YAG激光器三倍频输出355nm作为发射激光,利用弱光子计数技术检测大气中分子的瑞利散射和N2分子振动拉曼散射回波,分析得到了平流层和对流层中上部大气温度的垂直分布廓线。

    Molecular Rayleigh and nitrogen vibration Raman scattering returns are detected by the photon counting technique . Then , vertical profiles of atmospheric temperature are derived in the stratosphere and mid-upper troposphere .

  27. 结合VAD方法,可以从存在严重折叠的雷达资料中反演出较为准确的风廓线。

    All these result show that this method has the ability of unfolding the ambiguity velocity , and it combined VAD method can obtain accurate wind profile from fold data .

  28. 本文从垂直加热廓线和增湿系数的角度设计了多种改进的Kuo型积云参数化方案进行数值试验。

    In this paper , we designed various amending cumulus parameterization schemes from the points of the vertical heating profile and the moistening coefficient to make numerical experiments .

  29. LAP-3000风廓线雷达及其维护经验简介

    Introduction of LAP-3000 wind profiler and maintenance experience

  30. 本文应用三种不同地表粗糙度条件下所取得的风、温廓线资料,计算了在大气近地面层中风廓线曲率β和理查孙数Ri的值。

    In this paper , values of Richardson Number ( Ri ) and the curvature of the wind profile (β) in the atmospheric near to the ground are calculated with the data obtained under three surface roughness conditions .