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计算各种气象物理量，包括散度、涡度、螺旋度、垂直速度、水汽通量、比湿、假相当位温、k指数等的grads 程序，(Calculate various meteorological physical quantity, including divergence, vorticity, helicity, vertical velocity, water vapor flux, specific humidity, pseudo-equivalent temperature, k index grads program,)

robotearth本体定义文件，定义了类别概念和关系等(The OWL ontologies used in the KnowRob system, about robot concept and class.)

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)

Chapter 6-8 Chen Huaichen courseware

robotearth本体定义文件，定义了类别概念和关系等(The OWL ontologies used in the KnowRob system, about robot concept and class.)

本文通过对LISP语言发展的研究，总结出计算机方面的设计理念。并不是完美的才是最好的，有时候愚蠢的简单的更好。(Based on the LISP language development research, summed up the computer aspects of the design philosophy. Not perfect is the best, and sometimes stupid simple better.)

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)

声卡的双声道模拟输出，信号的采集与存储，信号的功率(Power spectrum analysis based on labview and data acquisition card, sound card, two-channel analog output signal acquisition and storag)

最近在做毕设,ldpc码的编解码实现,这个是verilog实现,(Recently, the implementation of coding and decoding of LDCC code has been completed. This is the verilog implementation.)

cad中可以像cass一样划线,具有换向，隔点闭合等功能！(cad cass huaxian)