详细介绍无线多跳adhoc网络的PPT.包括网络中的MAC层和路由层介绍、常用的协议算法，存在的问题，TCP与UDP协议性能比较，安全问题等，有助于了解Ad h...

特点： 1． 双轴倾角传感器 2． 测量范围0.5g(±30 度)或者1g(±90 度) 3． 单极5V 供电，比例电压输出 4． 高分辨率双轴倾角传感器 5． 数字SPI 或模拟输出 6． 内置温度传感器 7． 长期稳定性非常好 8．高分辨率，低噪声，工作温度范围宽 优势： 长期稳定性好，温度特性优良 抗冲击能力强 应用： 双轴平台调平 倾斜测量 垂直方向的各种角度的测量 -Features: 1. Biaxial inclination sensor 2. Measuring range of 0.5g (± 30 degrees) or 1g (± 90 degrees) 3. Unipolar 5V power supply, the ratio of voltage output 4. High-resolution dual-axis inclination sensor 5. SPI digital or analog output 6. Built-in temperature sensor 7. 8 very good long-term stability. High-resolution, low noise, wide operating temperature range of advantages: long-term stability, excellent temperature characteristics of the application of anti-shock capability: dual-axis tilt platform leveling vertical measurement range of the angle measurement

提出了汽车防盗及呼救系统的解决方案，通过采用嵌入式系统，实现GPS/GSM集成模块。-Proposed car alarm and SOS systems solutions through the use of embedded systems to achieve GPS/GSM-integrated modules.

包含了TD-Scdma的标准，英文版，部分是中文的。-Includes TD-Scdma standards, in English, partly in Chinese.

这篇文章是对当前IEEE中的最新的无线传感器网络的新发展和新动向进行预测和说明

比较详细的分析了ETL过程中的一些关键性的问题，对你的学习etl有很大的帮助-More detailed analysis of the ETL process of a number of crucial issues, for your learning ETL has a great help

AquaLogic_Interaction_Portal:由BEA开发维护的主流门户系统之一，目前在国内实施成功的方案在文档里面有说明，如果有这方面需求的个人公司可以参考。-AquaLogic_Interaction_Portal: development by BEA to maintain one of the main portal, currently in the domestic implementation of successful programs described in the document which, if there is demand in this area can refer to the individual companies.

ip电话的关键技术,包括语音编码,压缩,打包,分组交换,以及保证语音质量而采取的回声抵消技术.-ip telephone key technologies, including voice coding, compression, packing and packet switching, and voice quality assurance and the echo cancellation technology.

Motor and inverter descriptions slides

该包是根据DE405提供的国际天球矩形参考框架的基本位置和速度方面的资料-The package is based on international Tianqiu DE405 rectangular frame of reference for the basic position and velocity information

shape based image retrieval using fourier description