一种显微镜自动聚焦的实现方法及其具体的算法！

GPS时差数据卡尔曼滤波器 的设计与应用-The time difference between GPS data Kalman filter design and application of

Here is a low-cost, invisible laser circuit to protect your house from thieves or trespassers. A laser pointer torch, which is easily available in the market, can be used to operate this device.

能模拟雷达的工作状态，有针对性的进行练习，使使用者尽快熟悉雷达工作的原理过程-Can simulate the radar job status, targeted exercises, so that users familiar with the radar as soon as possible the principles of the process of job

刚刚找到的USB开发的资料，感觉写的很好，共享给大家。-have just found the USB development of the information, the feeling was good for everyone to share.

此程序与上面三个，大体差不多，但是但是计算用的方法更实用。-This procedure with the above three, generally similar, but the calculation methodology used but more practical.

SM5004,完全可以取代mcx314的一款FPAG芯片！-SM5004, is entirely possible to replace a MCX314 of FPAG chips!

AR9开发技术文档，针对三星公司S3C2410芯片。-AR9 develop technical documentation for Samsung S3C2410 chips.

LDPC码译码相关文献 Bounds on the maximum likelihood decoding error probability of low density parity check codes-LDPC Decoding literature Bounds on the maximum likelihood decoding error probability of low density parity check codes

Bidirectional LEDs A novel microprocessor interface circuit is described which can alternately emit and detect light using only an LED, two digital I/O pins and a single current limiting re- sistor.

3D应用解决方案，包括人体头部参数化建模，空间点集可视化，各类模拟等。-3D application solutions, including the human head parametric modeling, spatial point set visualization, such as various types of simulation.