q1

说明：  RINEX 2.1 观测数据文件读取程序(RINEX 2.1 data file read process observed)

Add for matlab.Can do orienting plus shraping.

source code for Viterbi Algorithm.

无线损耗的模型仿真，不错的程序，可以看下(Wireless loss model simulation, a good program, you can see next)

一些关于卡尔曼滤波方面的资料，集锦类型，仅供参考(Some aspects of the information on the Kalman filter, highlights the type of reference)

matlab下对于系统模型的仿真，为复杂系统设计做准备(matlab simulation model under the system, in preparation for the design of complex systems)

用MATLAB程序解决高阶问题；通过20多个实例来说明线性代数在后续课和工程中的广泛应用，使得本来抽象、冗繁和枯燥的课程变得形象、简明而实用。(MATLAB program used to solve high-order problems through more than 20 examples to illustrate the linear algebra classes in the follow-up and engineering in a wide range of applications have been made abstract, and boring冗繁become the image of course, concise and practical.)

MATLAB是很常用的软件，本文件 相当于介绍该软件的入门电子书， 可以让初学者快速学会使用该软件。(err)

切削力随正切角的变化关系 可以看出切削力的变化情况(tangential angle and cutting force)

noise reduction method