The sub - munitions - warfare is a kind of exactitude armament . taking full advantage of mature technology and pre - research work , the investigation and application of sub - munitions - warfare is possible at the present and suitable to our country ’ s missile in current use 某型号子母战斗部以成熟的导弹武器型号为平台,充分利用预研攻关成果和成熟技术,是一个预研周期较短、符合我国现有常规导弹武器研究水平的精确打击武器。
We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside , moreover study the method and steps of designing dsp , based on fpga , by using system generator , finally , it emphasizes the design process of multi - band excitation vocoder . we can work out the module of high pass filter and the module of low pass filter , module of divide frame , module of keynote rough estimate , module of keynote fine estimate , module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate , by using simulink , ise and system generator 本文选用型号为xc3s200的fpga作为设计编码器的核心硬件,介绍了其内部所含的硬件资源,并研究了利用systemgenerator基于fpga设计dsp的方法和步骤,最后,本文把重点放在多带激励语音编码器的设计上,利用simulink , ise和systemgenerator分别设计其中的高通低通滤波器模块、分帧叠加模块、基音粗估模块、基音精细估计模块、分带v / u判决模块、分带幅度估计模块。
Based on the data of japanese prefabricated steel column base , acted in accordance with the present steel structure code , the paper put emphasis on hk400b ' s column base . firstly , the mechanism of force - deformation was analyzed theoretically . then the corresponding mechanical model was established , and adopted the structure nonlinear analysis part of the ansys finite element software to calculate 本文以日本的预制铸钢柱脚的研究资料为基础，采用现行钢结构规范建议的铸钢材料，针对型号为hk400b的h形钢柱柱脚，首先对受力-变形性能机理进行理论分析，建立相应的力学计算模型，并利用ansys有限元程序软件中结构非线性分析部分来加以计算，得出在选择不同锚栓和底板厚度时铸钢柱脚的破坏形式以及柱脚的m - p -曲线，在此基础上对标准化柱脚设计提出了建议性方案，便于工程设计参考。
This paper has an overall research on the theory of vvvf , especially on the technology of spwm applied to pulse width - modulated voltage - source inverter . inverter is also made researches on , in which mcu 80c196mc and ipm pm20csj060 is used as the core . using those two key parts , a low - power inverter has been designed 本文对变频调速理论进行了全面研究；特别对电压源间接变频中的spwm交流电动机调速技术进行了研究；本文还研究了以电机控制专用单片机80c196mc和型号为pm20csj060的智能功率模块( ipm )为核心的变频调速技术。
And the interfaces have analog input , analog output and digital input / output . we have used differently cards , such as pc - 6330d a / d card , pcl - 728 d / a card based isa bus , ipc - 5375 i / o card and so on . in addition , we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor 总线采用isa内部总线；接口主要有模拟量输入接口、模拟量输出接口、开关量输入输出接口等，课题分别选用pc - 6330d型a d板卡、基于isa总线的型号为pcl - 728的d a板卡、型号为ipc - 5375的i o板卡；另外，课题选用了微动式行程开关、压力变送器作为传感元件检测系统，选用继电器、电磁控制换向阀实现对气缸、电机的控制；采用vc + + 6 . 0编制控制软件，实现了纤维铺放技术的计算机控制。
In this paper , it is carried out the controlled system of single - chip microcomputer ( at89c52 ) , which is based on ddc ( direct digital control ) , to resolve the synchronization of the amount of seeding transplant and velocity , and utilize series voltage regulator to resolve the stability of the voltage 本文采用型号为at89c52单片机(单片微型计算机single - chipmicrocomputer )的直接数字控制( directdigitalcontrol )技术，解决摆秧机行走速度与摆秧量同步性的问题。
Sbwz - 246pw g230i 350200 0100 frxed thread m201 . 5 , material of sheathed protecting pipe is lcr18ni9ti sbwr series lsolated explode - proof thermocouple integral temperature transmitter , k , 200800 , total accuracy : 1 . 0 % , material of sheathed protecting pipe is icr18ni9ti , outer dimeter16 , total length of 1000mm , insert depth of 850mm , fixed and locked installed ambient temperature of - 25 120 , two wires transmit type , integral install non - seperate type the explode sign is exiall bt4 , so its model is sbwr - 216tw k240j 1000850 200800 , 铠装热电偶外径6 ，总长1000mm ，插入深度850mm ，固定卡套螺纹安装，环境温度- 25120 ，二线制传输方式，体化现场安装非隔离型，防爆标志为exdbt4则型号为： sbwr216tw k240j 1000850 200800保护管材料
Measure and control unit adopted 16 - bit , high - speed a / d converter , it can guarantee the speed and precision of alternating sample . the part of communication adopted can bus to transmit the data , it was suitable for real - time control and can guarantee dependability . it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc , which can guarantee the system work well for a long time 其中下位装置采用西门子公司的高性能十六位处理器c167cr - lm ，其内嵌can总线控制器便于通过can总线与上位机进行通讯，数据采集部分采用十六位高速a d转换器从而保证了交流采样的速度与精度，通讯部分采用可靠性高，适于现场实时控制的can总线来传输数据，与上位机接口采用研华公司的型号为pcl - 841的can总线适配器，为保证系统长时间可靠运行上位机采用工控机。
