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一、空间直角坐标系 1.将数轴(一维)、平面直角坐标系(二维进一步推广建立空间直角坐标系(三 维)如图7-1,其符合右手规则。即以右手握住z轴当右手的四个手指从正向x轴以

REMINDER: The 6.003 Final Exam will he held on december 16th. The final will cover all the material covered during the term, including the material or z transforms and DT feedback systems, the subjects of this problem set Reading Assignments

Reading Assignments Lectures #5-6& PS#2: Chapter 3 of Oppenheim and Willsky(O& w) Lectures #3-4 &z PS#3: Chapters 3&4 of Oppenheim and Willsky(O&w) Exercise for home study (not to be turned in, although we will provide solutions)

Last time: Unit circle (=1) in the ROCDTFT X(@) exists Rational transforms correspond to signals that are linear combinations of DT exponentials

第一章化学热力学基础 1-1:注意S单位制,PaxL1×103=J.(1)-1750,(2)3500J 1-2:(1)-3000J;(2)-300J注意符号和运算准确 1-3:体系复原是△z=0(△=0),非状态函数W≠0 Wp外△V只适用于(恒外压过程的每一步不适用于有多步的

1绪论 1.1.1仿照图 1.1.2①石英预制棒加热炉温度控制系统方框图,画出图1.1.1中光纤拉丝 盘转速控制的电子系统方框图,并加以说明。 X、Y、Z位移装置 距地基平面14m 预制棒空间位置 控制系统

例1:小手柄的数控车床加工 00001 N10G92X100Z100: N20 MO6T01M08;

例46:小手柄的数控车床加工 0004 N10G50X100Z100; (对刀点,也是换刀点) N20T0101M03S600F0.2M08:(F0.2是每转进给量)

例21:等宽槽的零件采用子程序(M8指令)编程 00021 N10G92X100Z100(设程序参考点) N20G90G00X4222