BP

为了提高发动机电控系统的开发效率，降低开发成本，依据发动机的工作原理，利用MATLAB/SIMULINK工具建立汽油机的计算机仿真模型，并通过必要的验证，证明了该模型能有效的反映节气门开度与负载的变化。(In order to improve engine control system development efficiency and reduce development costs, according to the engine works, the use of MATLAB/SIMULINK tool to create a computer simulation model of gasoline, and adopt the necessary verification to prove that the model can effectively reflect the degree of throttle opening and load changes.)

说明：  1.1 C基础知识 1 1.2 函数与头文件 2 1.3 C预处理器 3 1.4 将一个字符转换为long型 4 1.5 strcpy函数 4 1.6 assert用法 5 1.7 itoa函数和atoi函数 6 1.8 strcmp函数实现 8 1.9 strcpy函数实现 9 1.10 memcpy函数实现 10 1.11 memcpy和memmove函数的实现 11 1.12 strcat函数实现 13 1.13 使用库函数atoi，将char *→int 13 1.14 使用库函数itoa，将int→char * 14 1.15 不使用库函数，将int→char * 14 1.16 不使用库函数，将char *→int 15 1.17 求两个整数的最大公约数 16 1.18 Little_endian or Big_endian 17 1.19 sizeof与strlen的区别 19 1.20 实现String类的BIG_FOUR 19 1.21 struct和union的区别 20 1.22 char字符变量与int整型数据 22 1.23 字,字节,字符,比特 23 1.24 空格、空字符、字符数组结束符的区别 25(1.1 C Basics 1 1.2 Functions and header files 2 1.3 C preprocessor 3 1.4 will be a long-type characters into four 1.5 strcpy function 4 1.6 assert usage 5 1.7 itoa function and atoi function 6 1.8 strcmp function to achieve 8 1.9 strcpy function to achieve 9 1.10 memcpy function to achieve 10 Achieve 11 1.11 memcpy and memmove function 1.12 strcat function to achieve 13 1.13 using the library function atoi, the char* → int 13 1.14 using the library function itoa, the int → char* 14 1.15 does not use the library function, int → char* 14 1.16 does not use the library function, char* → int 15 1.17 find the greatest common divisor of two integers 16 1.18 Little_endian or Big_endian 17 Difference 1.19 sizeof and strlen 19 1.20 realize BIG_FOUR String class 19 Difference 1.21 struct and union of 20 1.22 char and int integer variable character data 22 1.23 word, byte, character, bit 23 Difference 1.24 spaces, null characters, character array termi)

3G系统中，利用扩频技术来扩频的代码。即为PN码产生器的程序代码。(The code of PN generate for spread spectrum tecnology.)

说明：  基于优化算法的bp神经网络，用于解决分类问题，可以给大家提供两种编程思路，亲测有效。(BP neural network based on optimization algorithm, used to solve classification problems, can provide you with two programming ideas)

Leach-c , Sensor network routing protocol.

Inputs: Two square matrices a and b and a natural number nk

说明：  利用延迟-相加法对波达方向进行估计，程序简明易懂，适用于初学者。(using delayed- add method to estimate DOA, easily understandable for beginners.)

平面梁单元计算两铰抛物线拱的自由振动特性 采用平面梁单元计算两铰抛物线拱的自由振动特性 (Plane beam element calculation of the free vibration characteristics of two hinged parabolic arch)

matlab算法第10章内容其它部分陆续上传中请稍后(matlab algorithm for the content of other parts of Chapter 10 in succession, please upload later)

说明：  A星算法，可以实现三维路径规划，对路径规划和A星算法感兴趣的可以借鉴参考(A-star algorithm, can achieve three-dimensional path planning, path planning and A-star algorithm interested can refer to)