变速直线运动
- 网络rectilinear motion;variable rectilinear motion
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阐述了从非均匀数据重构虚拟均匀数据的角度来解决变速直线运动SAR成像的原理,从这一思想出发,研究了弹载平台变速直线运动时基于内插阵列变换SAR成像方法。
The principle of restructure method from non-uniform sampling data to virtual uniform sampling data to resolve the SAR imaging with variable motion is expounded . And proceeding from this idea , missile-borne SAR imaging for variable motion based on interpolated array transformation is studied .
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匀变速直线运动实验的微机计时法
The Computer Timing Method on an Uniformly Accelerated Motion Experiment
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质点匀速匀变速直线运动在直角坐标系中的数学描述
A Mathematical Description of Uniform Velocity Motion and Uniformly Accelerated Motion in Cartesian Coordinate System
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关于匀变速直线运动实验装置的研究和改进
The improvement of the experimental device for studying the acceleration of uniform change speed linear motion
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一阶变速直线运动中收尾位移的实验近似
The Approximate Calculation of Terminal Displacement in Experiment at the Fist Order of the Change Speed Linear Motion
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本文对测匀变速直线运动的实验装置进行了改进,采用了传感技术,演示效果好。
The improvement of the experimental device for studying the acceleration of uniform change speed linear motion is carried out by adopting the sensor technology . The effect of the demonstration is very good .
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在匀变速直线运动的实验中,利用可编程定时/计数器8254来记录运动小车过测点的时刻值,可使计时精度达到万分之一秒。该实验系统可取代传统的计时方法。
In an uniform accelerated motion experiment , the timing precision to record the moment a cart passes the measuring point can reach 10-4 S by Programmable Timer / Counter 8254 . The experiment system can replace the traditional timing method .
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通过实现刀具沿丝杠工件轴线的变速直线运动和丝杠工件的变速旋转运动,来进行匀变螺距丝杠数控加工,扩展了数控技术的应用和数控车床的加工范围。
The application of numerical control technology and machining range of NC lathe can be extended by machining uniform variable pitch screw bar with numerical control technology by implementing straight-line movement of cutting tool and rotating movement of screw bar at the same time the double speed .
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阐述了将变速运动等间隔时间采样的回波数据等效为匀速运动中非等间隔时间采样数据的原理,并由此导出了基于非均匀傅里叶变换的变速直线运动SAR算法。
The principle of equivalent method from the uniform sampling data with variable motion to the non-uniform sampling data with uniform motion is expounded , and from this , the SAR imaging for variable motion based on non-uniform discrete fourier transform is studied .