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question1
从多层树中取得偶数生成列，取得动态目标值的个数，从两个不同的树中，提取第二个树中独有的元素（和第一个树的元素不同的元素），并计算其和。(Generated columns to obtain an even number, the target value obtained from the dynamic multi-tree, from two different tree, extracts a second element that is unique in the tree (a tree of elements and different elements), and and calculate its.)
- 2014-08-28 22:23:33下载
- 积分：1
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圆变点
AUTOLISP CAD批量将圆变成以圆心为坐标的点(Circular change point)
- 2018-01-12 21:29:54下载
- 积分：1
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标注节点 (2)
说明： 标注节点距离，批量标注节点距离。节省画图时间 提高画图效率(Marking Node Distance)
- 2020-06-24 13:00:02下载
- 积分：1
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ckmj
快捷标注多段线点号坐标，快捷查看封闭区域面积，单位亩、平方米等，加载lsp至cad即可使用(Quick Note polyline dot coordinates, quick check enclosed area of the unit acres, square, etc., can be used to load lsp to cad)
- 2013-08-07 11:02:11下载
- 积分：1
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123
- 2010-03-27 00:28:01下载
- 积分：1
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CAD多边形与点位位置判断
CAD多边形与点位位置判断CAD多边形与点位位置判断CAD多边形与点位位置判断CAD多边形与点位位置判断CAD多边形与点位位置判断CAD多边形与点位位置判断
- 2022-07-01 14:39:25下载
- 积分：1
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AutoLISP 机械设计高级应用实例.pdf
说明： 《AutoLISP 机械设计高级应用实例》 基于autolisp和CAD的机械绘图方面的专业书籍(AutoLISP Advanced Application Examples of Mechanical Design Professional Books on Mechanical Drawing Based on Autolisp and CAD)
- 2020-06-21 05:00:02下载
- 积分：1
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OPENDCL教程
说明： AutoCAD Visual Lisp OpenDCL语言教程(AutoCAD Visual LISP Function Manual AutoCAD OpenDCL Tutorial)
- 2020-06-15 22:25:02下载
- 积分：1
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plgg4
批量修改dwg格式图中，文字高度，根据lisp语言进行编写(Batch Edit dwg format, figure, text height, according to the preparation of lisp language)
- 2009-12-30 19:18:52下载
- 积分：1
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Radar-on-FPGA
主要论述了基于FPGA的末制导雷达伺服系统设计。结合末制导雷达讨论其电机控制、二阶伺服系统性能和PID校正算法,利用VHDL语言设计,实现基于FPGA的方位步进电机开环定位控制和俯仰直流电机闭环速度控制的伺服系统。结合实际应用中遇到的问题,提出了基于"反馈控制"理论的有效的补偿算法,该算法提高了伺服系统的稳定性、快速性和精度。(Mainly discusses the design of terminal guidance radar servo system based on Field Programmable Gates Array(FPGA).It includes the system’s electric machine control,second-order servo system performance and PID correction algorithm based on Virtual Hardware Description Language(VHDL) on azimuth stepping motor open loop positioning control and pitch direct current electric machine closed loop speed control of the FPGA servo system.In allusion to some factual problems during its application,presents corresponding effective solutions based on traditional control theory "Feedback Control".The fact proves that these methods can greatly improve the stability,speediness and precision of the original servo system.Additionally,a basic algorithm which can be realized in a terminal guidance radar servo system is given)
- 2012-08-11 17:51:55下载
- 积分：1
