EightClocksMaths

二维声子晶体平面波展开法计算能带结构，xy模态，z模态(Plane Wave Expansion Method for Two-Dimensional Phononic Crystals)

关于无线传感器网络的非常好的一本书！英文版的！(On wireless sensor networks a very good book! English!)

该程序为基于matlab的染色体个数识别，同样适用于离散物体的个数识别(The program is used to identify the number of chromosomes based on MATLAB, and it is also suitable for the number recognition of discrete objects.)

code to generate pwm

Pipe类 Pipe类 -Pipe-type Pipe type Pipe type Pipe type

角度格式转换，度分秒转度，度分秒转弧度，弧度转度分秒。测量程序设计的基础代码之一(Point format conversion, transfer degrees degrees minutes and seconds, minutes and seconds turn degree arc, arc degree turn every minute. Measurement of program design based on code)

重点讲解正则表达式的用法，用以实现全文搜说的表达式定义。-The usage of the regular expression is discussed in detail in order to offer appropriate reference to the search engine development.

智能语音助手专注于提供优质的语音服务,可以搜索任何你能想到的问题知你所想聆你所言软件内拥有8大常用功能主要功能(Intelligent voice assistants focus on providing high quality voice services. They can search any questions you can think of and know that the software you want to listen to has eight main functions in common use)

stm32f103 dac和adc 以dma方式实现语音对讲，采用8000Hz,12bit格式。(STM32F103 DAC and ADC realize voice intercom in DMA mode, using 8000Hz and 12bit format.)

说明：  可以用于计算平板问题单元刚度矩阵、应力应变的分布情况等等。(Calculation of element stiffness matrix for plate problems)