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bijindianji
- 本次课程设计主要实现的是对LED、步进电机和喇叭的控制。步进电机的工作原理是将电脉冲信号转换成角位移的一种机电式数模转换器。步进电机旋转的角位移与输入脉冲的个数成正比;步进电机的转速与输入脉冲的频率成正比;步进电机的转动方向与输入脉冲对绕组加电的顺序有关-The main course design to the LED, loudspeaker and stepper motor control. Stepper motor is the working principle of electr
mmtimerbasedstepmotorcontrol
- 步进电动机的角位移量与输入脉冲数严格成正比,电动机转动一圈后,没有累积误差,所以步进电动机是数字控制系统常用的执行电动机,并且广泛的应用在小卫星上。为了 使步进电动机在小卫星上安全运行必需在地面做相应的检测。下面介绍在小卫星有效载荷地面检测仪中利用WindowsXP多媒体定时器实现步进电动机高精度控制的方法。-stepper motor angular displacement volume and input pulses strictly proportional to motor ro
Image_Paper_XuXG
- 图象分割是图象处理中的一项重要工作,目前手工与自动相结合的分割方法在实际工作中得到了广泛应用。本文根据图象经Maar变换后的特征,采用新的判断准则,提出了一种复杂物体边缘定位算法,可以对具有尖角特征的物体轮廓进行快速准确地提取,同时利用矢量化方法消除毛刺,使跟踪获得的边界更符合物体的实际轮廓特征。对多种图象的实验表明本文方法十分有效。-Image segmentation is an important image processing, the current combination of m
monijiaoplvshuziplvqubie
- 了解模拟频率数字频率和模拟角频率定义,还介绍了实例-know the definition and the differ between the simulated angular frequency and digit angular frequency
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- 。在提取图像特征点的时候采用提取角点的方式,用角点检测与图像的局部自相关函数紧密结合的方法,通过角点分析来判断待检测点是否为角点。-In the extraction of image features: by the way, extracts angular point with corner detection and image of partial autocorrelation function of integrated method, through the corner to
harris
- 本pdf提出了一种改进的基于harris的角点检测方法,对提取角点的方法结合了susan算法的思想-This pdf presents a modified harris corner detection based methods, methods of extracting angular point algorithm combines the ideas susan
hods
- 飞行器角速度测试的方法Aircraft angular velocity test methods-Aircraft angular velocity test methods
253
- Impact of the Angular Spread and Antenna Spacing on the Capacity of Correlated MIMO Fading Channels
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- 步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件。在非超载的情况下,电机的转速、停止的位置只取决于脉冲信号的频率和脉冲数,而不受负载变化的影响,即给电机加一个脉冲信号,电机则转过一个步距角-Stepper motor is the electric pulse signal into angular displacement or linear displacement of the open-loop control components. In the case of non-ove
sca100tchengxu
- 有关角速度传感器程序介绍 程序 SCA100t的资料-Introduce the angular velocity sensor program
RAYTE-Laser-alignment-systems
- 由于光电准直系统的高精度、稳定性,在机械工业,自动化及机械和建筑工程领域得到广泛应用。RAYTEC GEPARD™ 激光准直仪是一款通用的高精度测量及校准系统,它能够简捷快速地完成测量任务,并实时显示测量值,同时进行被测工件的校准、微调或在线测量。测量结果直接传输到软件中,并可打印出结果。可轻松完成直线度、平行度、平面度、定位、对齐、校准、垂直度、角度、同心度、同轴度、主轴旋转中心径向跳动的测量,新型3D 型号更增加了定位点距离的测量功能,达到快速准确便捷的几何形状误差测量。 更
retrieval
- 图像检索,基于颜色直方图的计算,通过欧式距离的计算方法,实现图像检索- image retrieval,image searching,Wavelet Domain Image Indexing Using Directional Gradient Angular Histogram
crank-mechanism
- 曲柄滑块机构的机构组成,速度方程以及匀角速度运动学仿真框图-Of the institutions of the slider-crank mechanism, the rate equation and the constant angular velocity kinematics simulation diagram
wideband-radio-channel
- This paper presents a proposed model in an explicit form and its simulation results for characterizing wideband line-of-sight (LOS) radio channel in an urban microcellular environment. The model is fast to compute, easy to implement, and on
mma7361
- mma7361三轴加速度传感器 用于侧倾角 加速度 四轴飞行器-mma7361 triaxial accelerometer is used to roll angular acceleration quadrocopt
MATLAB
- 由于多径效应和移动台运动等影响因素,使得移动信道对传输信号在时间、频率和角度上造成了色散,即时间色散、频率色散、角度色散等等,因此多径信道的特性对通信质量有着重要的影响,而多径信道的包络统计特性则是我们研究的焦点。根据不同无线环境,接收信号包络一般服从几种典型分布,如瑞利分布、莱斯分布等。在此专门针对服从瑞利分布的多径信道进行模拟仿真,进一步加深对多径信道特性的了解。-Due to multipath effects and the mobile station sports and other
Angular-precision
- 基于均匀圆阵的信号二维方向角高精度估计-Angular precision estimates based on two-dimensional uniform circular array signal direction
Documents
- The objective is to make a diagnosis by analyzing the crankshaft angular speed variations. Only combustion related faults are investigated.
Mie-scattering-Matlab
- MATLAB函数的mie散射和吸收 MATLAB Functions for Mie Scattering and Absorption-MATLAB Functions for Mie Scattering and Absorption。A set of Mie functions has been developed in MATLAB to compute the four Mie coefficients an, bn, cn and dn, efficiencies of exti
hole_ASM
- 用角谱法计算菲涅尔衍射图样,计算出后加上GS算法即可得出全息图-Fresnel diffraction pattern is calculated using the angular spectrum method, after adding GS algorithm to calculate the hologram can be derived