4阶龙格库塔积分器，定步长，附带小例子，可运行
rk4 integrator, fixed step,example attached, feasibility checked (2018-08-09, C/C++, 1KB, 下载0次)
基于北斗/GPS双模定位模块设计了一套汽车燃油监测报警系统，当监测到车辆油箱内的燃油油位发生异常变化时，通过报警器进行报警并向指定手机发送告警消息及车辆位置信息。当司机遇到突发紧急情况时，可以通过安装在驾驶室内的紧急报警按钮向指定号码一键求救。
a set of vehicle fuel monitoring alarm system based on beidou/GPS positioning module the is designed in this paper, when the monitoring fuel oil level abnormal changes inside the fuel tank, the alarm system can send alarm messages and vehicle location information to the designated mobile phone. When the driver meet the emergency, he can push the emergency alarm button ,which installed in the driving room for help. (2017-03-29, C/C++, 157KB, 下载1次)
用以74LS112双JK触发器构成的数字逻辑电路控制方案设计的数字密码锁有详细设计过程及源码。
To 74 ls112 double JK flip-flop consisting of digital logic circuit control the combination lock has a detailed design process of the scheme design and source code. (2016-01-06, C/C++, 105KB, 下载4次)
Mstar 方案的培训资料,有关展顺手机平台的软件结构与开发平台塔建的详细资料。
Mstar solatin interduction ducuments. (2012-11-01, C/C++, 7134KB, 下载41次)
TI双核arm9的芯片资料,对嵌入式开发很有好处，且该系列芯片价格比较低
TI s dual-core the arm9 of chip，Very good for embedded development, and the chips with a lower price (2012-07-06, C/C++, 8709KB, 下载53次)
离散点列的局部双圆弧逼近.pdf论文
用来拟合小线段，可以使小线段光滑，连续。
Discrete points of local double circular arc approximation, papers, can be used for small line segment fitting, continuous and smooth (2012-04-11, C/C++, 336KB, 下载25次)
双通道同步数据采集系统的设计与实现.Double channel synchronous data acquisition system design and implementation.
Double channel synchronous data acquisition system design and implementation. (2012-01-16, C/C++, 636KB, 下载2次)
双焦的单目立体成像系统Bifocal monocular stereoscopic imaging system
Bifocal monocular stereoscopic imaging system (2011-04-26, C/C++, 547KB, 下载8次)
液压支柱双参量实时同步检测系统的设计hronization
Hydraulic prop double Parametric Test System for real-time synchronization (2011-03-23, C/C++, 341KB, 下载2次)
POSA:Pattern-Oriented Software Architecture,该系列我就不多说了软甲模式架构领域的扛鼎之作
POSA:Pattern-Oriented Software Architecture (2010-01-29, C/C++, 36496KB, 下载261次)
为保证日常工作的顺利进行，首要问题是加强仓库内温度与湿度的监测工作。但传统的方法是用与湿度表、毛发湿度表、双金属式测量计和湿度试纸
In order to ensure the smooth progress of daily work, the primary issue is to strengthen the warehouse temperature and humidity monitoring. But the traditional approach is to use with humidity table, hair humidity table, double-metal-style gauges and humidity test paper (2009-12-02, C/C++, 492KB, 下载5次)
针对三轴稳定卫星的姿态控制系统,在离散事件仿真平台OMNeT ++的
基础上,建立了一个以星敏感器和陀螺为敏感器,反作用飞轮为执行机构的闭环
控制仿真系统。采用双矢量定姿算法和P ID控制算法,对该卫星在对地定向模
式下的控制精度进行了仿真。仿真结果清晰地反映了星敏感器和反作用飞轮输
出延时对控制精度的影响。整个仿真系统符合面向对象和模块化的程序设计理
念,并实现了仿真程序的重用。
For the three-axis stabilized satellite attitude control system, discrete event simulation platform for OMNeT++ based on the establishment of a star tracker and gyro for the sensor, Reaction Wheel for the implementation of closed-loop control simulation system bodies. Dual-vector attitude determination algorithm and P ID control algorithm, the satellite-to-ground directional mode, the control precision of the simulation. The simulation results clearly reflect the star tracker and reaction flywheel output delay on the control precision effects. Consistent with the simulation system and modular object-oriented programming concepts, and realize the reuse of the simulation program. (2009-11-10, C/C++, 450KB, 下载100次)
描述了在VxWorks 操作系统下以太网设备工作时的结构层次,介绍在这种结构下以太网卡驱动的工作原
理以及对链路状态进行实时监测的方法. 实现了VxWorks 下多网卡共用单MAC 地址和单IP 地址的功能,并阐明
双网卡协同工作时的多种状态以及状态间的迁移和出现故障后双网卡高速切换原理. 最终以RTL8139 网卡为例,
叙述了双冗余网卡原理的实现过程.
The working laying structure of the Ether Net device is described firstly based on vxWorks which is the real2
time operating system. Then the principle of the Ether Net card and the method of real2time monitoring link route status
are introduced and the function of sharing the single MAC address and the single IP address on multiples cards is imple2
mented under the vxWorks. Thirdly , the many status which appear on two Ether Net cards working together and the
shift among the status and the fast switch principle between two cards after failure are presented in details. Finally the
method of how to use the two Ether Net cards implementing the redundancy function is given by taking the RTL8139 as
an example. (2009-09-09, C/C++, 114KB, 下载31次)
LCD汉字显示控制系统的设计，基于PC机（上位机）与STC89C52RC单片机（下位机）双机控制LCD的汉字显示系统
Character LCD display control system design, based on the PC machine (PC) and STC89C52RC single chip (lower plane) of two-character LCD control display system (2009-06-03, C/C++, 6982KB, 下载34次)
TC35i新版西门子工业GSM模块是一个支持中文短信息的工业级GSM模块,工作在EGSM900和GSM1800双频段,电源范围为直流3.3～4.8V ,电流消耗——休眠状态为3.5mA，空闲状态为25mA，发射状态为300mA(平均)，2.5A峰值；可传输语音和数据信号, 功耗在EGSM900(4类)和GSM1800(1类)分别为2W和1W ,通过接口连接器和天线连接器分别连接SIM卡读卡器和天线。SIM电压为3V/1.8V，TC35i的数据接口(CMOS电平)通过AT命令可双向传输指令和数据,可选波特率为300b/s～115kb/s , 自动波特率为1.2kb/s～115kb/s。它支持Text和PDU格式的SMS(Short Message Service,短消息),可通过AT命令或关断信号实现重启和故障恢复
The new industrial GSM Siemens TC35i module is a short message in support of the Chinese industrial grade GSM module, working in EGSM900 and GSM1800 dual band, power range of DC 3.3 ~ 4.8V, current consumption- dormant for 3.5mA, idle to 25mA, launch status 300mA (average), 2.5A peak can transmit voice and data signals, power consumption in the EGSM900 (4) and GSM1800 (1 category) were 2W and 1W, through the interface connector and antenna connector connected SIM card reader and antenna. SIM voltage 3V/1.8V, TC35i data interface (CMOS level) through the AT command can be bi-directional command and data transmission, an optional baud rate is 300b/s ~ 115kb/s, auto-baud rate is 1.2kb/s ~ 115kb/s. It supports Text and PDU format of SMS (Short Message Service, Short Message Service), available through AT command or signal realize turn-off to restart and Recovery (2008-07-14, C/C++, 2425KB, 下载309次)
智原科技正式推出可携式MP3音乐播放器SoC设计平台 - FIE7系列音频平台方案，首先推出的是针对低功耗有强烈需求的可携式，基于闪存的MP3播放器 - FIE7005语音设计平台，该平台的特色在于使用双核技术并利用智原科技所开发并验证优化过的大量硅知识产权(IP)构建而成
The wisdom original science and technology officially promotes
may take along type MP3 music player SoC to design the platform- FIE7
series audio frequency platform plan, first promotes is aims at the
low power loss to have the intense demand to be possible to take along
the type, based on dodges MP3 which saves the player- FIE7005
pronunciation to design the platform, this platform characteristic
lies in the use 鍙屾牳 technology and the use wisdom original science
and technology develops and the confirmation has optimized the massive
silicon intellectual property rights (IP) to construct becomes (2006-08-22, C/C++, 292KB, 下载14次)