For the flexible shaft model , a computer program frame for dynamic model is set up in the matlab . the dynamic processes of hawt which support several aerodynamic moments are simulated and the simulation results are analyzed and compared 并结合传动机构的柔性轴模型，在matlab中建立了动态模型的系统框图，仿真了水平轴风力机在几种气动转矩作用下的动力学过程，并对仿真结果进行了分析和比较。
4 . the dsp ' s structure , characteristic , abundant hardware resources and efficient code are introduced in detail ; the control elementary diagram and system frame are given , designed the hardware circuit diagram , make out the program Dsp控制软、硬件的实现及仿真详细介绍dsp芯片的特点、结构、丰富的片内资源、高效的指令代码，并根据前述的控制模型，给出了控制原理图、系统框图，设计了控制电路，编制了控制软件。
In the system realize part , the paper listed the system diagram and system logic diagram , introduced the method of building system kernel and building file system , detailed analysised the network code and the ip packets filter code . after that , the paper showed the realize of the graphical interfaces and gave us the example application ; finally the paper presened the process and the result of test , including the equipment , related standard , environment and the measures 在系统实现部分，本文列出了系统框图及逻辑框图，介绍了构建系统内核及文件系统的方法，对网络部分的代码和数据包过滤部分的代码都进行了详细的分析，并对图形化界面的实现进行了描述，给出了图形化界面的实例应用；最后对所实现的安全网关的性能作出了分析，包括对测试设备和相关标准的介绍，测试的环境与方法，给出了测试结果。
" l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111 , innovation of ti1is paper are given in the first chapter . basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods , especially the wavelet transformation are introdtlced il1 the tl1ird cllapter . ii11age ' s coding methods are introduced in cl1apter four , witll tilem ti1e zero tree method is the el11pl1ases 第一章给出对水声信道特性简介以及图像信息传输的系统框图、本研究创新之处；第二章介绍图像处理的基本技术以及本研究的硬件环境；第三章介绍图像数据的变换方法，着重介绍了小波变换涉及到的知识；第四章介绍图像编码，重点介绍了零树法编解码；第五章介绍本研究的软件、硬件设计、对零树法的具体改变。
This kind of controller is easy to design and operate , and has improved convergence rates and less overshoot than pid controller , but has stable error . in order to improve the properties of the fuzzy controllers , fine - tune - rule fuzzy controller , fine - tuned parameter fuzzy controller and fuzzy - pi controller were designed respectively based on the simple fuzzy controller . then fuzzy logic inferential system is established by using toolbox of fuzzy logic in matlab7 . 0 . secondly , in simulink6 . 0 , through the instance of the template of s - function , the module of s - function for optimizing fuzzy control and corresponding control model are constructed , and the parameters of simulation are set 这种控制器易于设计、实现方便,较传统pid控制有更快的响应速度和更小的超调,但其存在静态误差;为了进一步提高模糊控制器的控制特性,在此基础上分别设计了可调整控制规则模糊控制器、参数自整定模糊控制器和模糊- pid复合控制器;然后利用matlab7 . 0模糊逻辑工具箱图形用户界面建立模糊逻辑推理系统,在simulink6 . 0系统仿真设计平台中通过实例化s函数模板创建旨在优化模糊控制的s函数功能模块,并构建模糊控制系统框图模型,设置系统仿真参数,最终对系统进行动态仿真。
Thirdly , the paper discusses the driver of the peripheral equipment , how to port the uc / os - n and uclinux , h . 323 protocol and the application of the system in the digital speech classroom . also some software and hardware measure are adopted to enhance the system stability . at last , the shortcoming and the something to be improved are given . dsp can be used to realize real - time speech coding algorithm , and after porting ( ac / os - n , arm can manage the keyboard , the lcd and the ethernet peripheral etc . then the embedded network system with specific purpose can be used in others fields , such as pda , set of top , web tv , ect 在实际设计实现中，为提高系统软、硬件整体稳定性和可靠性，使用了以下几种方法： ( 1 )低电压复位、抗电源抖动能力、增加时钟监测电路、抗电磁干扰能力、散热等技术； ( 2 )多层pcb设计，线路板结构紧凑，电源部分采用数字5v 、 3 . 3v 、 3v 、 1 . 8v和模拟5v多电源供电； ( 3 )选用表面贴和bga封装的器件； ( 4 )按照软件工程的要求进行系统分析，规划系统框图、流程分析、模块划分，减小了不同模块的相关性，从而最大限度避免了错误的发生。
In this paper , the backward simulation was summarizd at home andabroad , the characteristics of shell nosing were introduced , the theory and scheme of backward simul - ation of shell nosing was constructed , the determined methods of the boundary conditions were put forward in backward simulation for the processes of shell nosing 论述了推力矢量控制技术是提高空空导弹性能的核心技术,介绍了常用的三类推力矢量装置,着重讨论了燃气舵式和扰流片式推矢装置的特点、设计方法、性能及其优缺点.在此基础上,研究了适用于气动力/推力矢量复合控制的变结构控制系统及其开关函数的切换条件和飞行控制系统框图.最后综述了推力矢量装置在第四代空空导弹上的应用情况
In this paper the figures of sending end and receiving end of the direct sequence spread spectrum system are introduced . also it describe the realization process of ds - ss system from the math theory . at the same time various adaptation algorithms used in cdma system are discussed , such as sgd , lms , nlms , decision - direct algorithm , moe and griffthms " algorithm 本文介绍了直扩系统的发射端和接收端的系统框图，从数学原理方面描述了直扩系统的实现过程，同时，对于cdma系统中采用的抗干扰自适应算法进行了详细的概述，讨论了cdma抗干扰常用的sgd算法、 lms算法、 nlms算、直接判决算法、 moe算法和griffthms ’算法。
