In order to solve the digital image correlation calculation problem where larger image rotation occurs, a new recognizing function and a mathematical model of recognizing correlation is suggested. 本文通过建立数字图像相关检测的数学模型和构造新的识别函数,解决了在确定图像位移时图像之间伴随有较大刚体转动情况下的相关检测问题。
This paper presents a method of digital frequency discrimination based on CORDIC ( Coordinate Rotation Digital Computer) algorithm which is suitable to be implemented in FPGA. 本文介绍了多基线测向算法,对其解模糊原理及范围作了深入分析,并给出了常见宽带信号的数字鉴相算法。
Study on Real Time Offsetting Digital Image Rotation Based on FPGA 基于FPGA的数字图像实时消像旋的方法研究
Horizontal boring and milling machine with digital readout device Rotation Platform Electrical Control in Boring and Milling Machining Center 数字显示卧式镗铣床镗铣加工中心回转工作台的电控研究
Implementation of digital image rotation based on CORDIC 基于CORDIC算法的数字图像旋转实现
This paper studies the design of digital down converter based on coordinate rotation digital computer ( CORDIC) algorithm, the method can improve the efficiency of signal processing, reduce the design cost of hardware. Then manifests its high efficiency by the use of simulation. 研究了基于协调旋转数字式计算机(CORDIC)算法的数字下变频设计,这种方法能有效提高信号处理效率,减小硬件设计的代价,并且通过仿真证明该方法的高效性。
Realization of Gyro Drive Digital Circuit with Rotation 陀螺旋转驱动数字电路的实现
Image interpolation is one of the key technologies in image/ video processing. It is fundamental to many digital image operations, such as scaling, rotation, and geometric correction. 图像插值是图像放缩、旋转、几何矫正等图像操作的基础,是数字图像/视频处理中的一项重要任务。
Digital simulations of synchronous machines using rotation factor method 采用旋转因子法的同步电机模型
Through experiment, It have realized digital and curve display of motor rotation speed, application program and experiment result has been given. 经过实验,实现了电机转速的数字和曲线显示,给出了应用程序和实验结果。
The method of realizing closed loop digital control with RLG located in the strapdown inertial navigation system was discussed. The structure of rotation servo system was introduced. The designing method and process of the digital controller were given. 采用捷联惯导系统本身的RLG实现转位系统的闭环数字控制,给出了转位伺服系统的结构组成以及数字控制器的设计方法和设计过程,给出了数字控制器的计算机实现方法和软件流程。
Making use of wire feed motor with encoder, a digital wire feeder system based on speed feedback of rotation speed with encoder of wire feed motor. 介绍了利用编码器实现送丝电机转速的数字反馈转速控制调速系统。
This paper introduces a method of realization of the numeric controlled oscillator ( NCO) used in quadrature digital mixer with the CORDIC ( COordination Rotation DIgital Computer) algorithm based on vector rotation. 介绍一种利用矢量旋转的CORDIC(COordinationRotationDIgitalComputer)算法实现正交数字混频器中的数控振荡器(NCO)的方法。
In resonator fiber optic gyroscopes by digital modulation, imperfect serrodyne ′ s reset amplitude V_ 2 π has influence on the rotation sensing errors and the scale factor non-linearity. 在数字调制的谐振式光纤陀螺中,其阶梯波的复位高度V2π是否精确,会对旋转角速度的测量和标度因数的线性度产生影响。
The double-ringed and all digital V-M regulative system is designed in order to realize the automatic control and real time monitor of the rotation speed of the arm. 为了实现对旋转臂转速的自动控制和实时监控,设计了双闭环全数字V-M调速系统。
The experimental results show that the maximum rotation angle, which can be measured by using the ultrasonic speckle digital correlation method, is 9 degrees, and when the rotation angle reaches 10 degree, the measurement error is larger than 9%. 实验结果表明,刚体面内转动可测量的最大转角为9°,当转动角度为10°时,误差大于9%。
Induction motor. This system consists of such functions as digital comparision, digital regulation, digital timing control, pulse trigger for thyristors, logical change of the rotation direction of the motor, automatical display of the trouble locations and alarm making. 该系统包括数字比较、数字调节、数字定时控制、对可控硅的脉冲触发、对电动机实现逻辑换向、自动显示故障和报警等多种功能。
Based on the linear memory construction of digital image, this paper presents a method of fast realization of image rotation. 基于图像的线性存储结构,提出了一种图像旋转的快速实现方法。
A new intelligent digital image correlation ( DIC) method that uses differential evolution is presented, which can accurately measure the surface displacements and strains of the deformed object, even which has a rigid body rotation with arbitrary angle. 提出一种基于差分进化算法的数字图像相关(DIC)方法。
This article introduces the microprogramming digital control wire bonder, designed according to the principle of the coordinate rotation computer, It is the first time to use the coordinate rotation computer in the automatic wire bonder for the integrated circuit production. 本文介绍利用座标旋转计算机原理制成的微程序数控键合机。把座标旋转计算机用于集成电路生产中的自动键合上是首次。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation. 本文主要分析采用数字式测量时,标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
A Digital Measurement Set Based on ISP for Rotation Rate 基于isp技术的数字式转速检测装置
Study of a digital and low rotation speed turbine flow rate transmitter 数字低速涡轮流量变送器的研究
A circle inductosyn and a digital indicator, the elements of the angle tester, are installed on the rotation axis of the astrolabe. The location of the automatic guiding and the position tracking of the astrolabe are controlled by a microcomputer. 在等高仪的转轴上安装角检测元件&圆感应同步器和数显表,用微机控制等高仪自动导星定位、自动方位跟踪。
Digital Detecting of Motor's Rotation Speed 电动机转速的数字检测
This paper analyses a ASIC method that realizes the high speed and high precision Direct Digital Frequency Synthesizer ( DDS) with the CORDIC ( Coordination Rotation Digital Computer) algorithm based on vector rotation. 文章主要分析了如何利用基于矢量旋转的CORDIC(COordinationRotationDIgitalComputer)算法实现高速高精度的直接数字频率合成技术(DDS)。
A digital watermarking algorithm that is robust to rotation is proposed. 提出1种在载体图像发生旋转后仍可以正确检测的数字水印算法。
Chapter 2 and chapter 3 as second part, we introduce the theory of Direct Digital Synthesize ( DDS) and CORDIC ( Coordinate Rotation Digital Computer). 第二部分是包括第二章和第三章,从理论方面介绍直接数字合成(DDS)技术和数字坐标旋转算法(CORDIC)的原理以及技术特点。
Some of the control systems, which need high-precision signals, require high-precision digital position signal and velocity signal input to the digital processing system or microprocessor, in order to achieve high-precision control of the rotation, speed and position of the motor. 某些对信号的精度有很高要求的控制系统需要将高精度的数字位置和速度信号输入至数字处理系统或者微处理器中实现对电机转角、速度及位置的高精度控制。