▍1. resample
实现采样率44100转换为8000,22050,等采样率(Sampling rate of 44100 convert 8000,22050, sampling rate, etc.)
实现采样率44100转换为8000,22050,等采样率(Sampling rate of 44100 convert 8000,22050, sampling rate, etc.)
本程序用于求解以网损、电压偏差、投资运行费用最小为目标的配电网分布式能源选址定容问题,并辅以相关文献。(This procedure is used to solve the loss, voltage deviation, minimum operating cost investment objective distribution network of distributed energy locating and sizing issues, supplemented by relevant literature.)
STM32跟OLED 屏幕连接进行显示程序(The STM32 is connected to the OLED screen for the display program)
这是SCA100T倾角传感器基于STM32F103的测试程序,包括SPI和ADC两种方法读取角度值(This is the test program of SCA100T tilt sensor based on STM32F103.)
VIC水文模型代码,有例子,直接运行即可。(source code of VIC model)
太阳能光伏发电系统,其中包括太阳能电池的建模及其控制策略(Solar photovoltaic systems, solar cells, including modeling and control strategy)
一种基于Arduous单片机的p.i.d控制程序,可以通过使能端控制被控对象的输出变化方向,例如电机正反转、冰箱升温降温等。也可以根据个人需要去掉使能端,只用PID算法。(A P.I.D controller is accomplished based on M.C.U. we download the P.I.D lib from Internet and add it to the developing software environment. finally, we developed a program that finished the P.I.D controller function.)
通过STM32处理,对敦泰(FT)触摸IC和汇顶(Goodix)触摸IC在1602的显示屏上显示出坐标,想触哪里 就会显示出具体的坐标出来,应用简单,移植方便灵活。可以移植到WINCE,ARM,STM32,8051单片机中。(The STM32, Duntai (FT) of touch IC and the Department of the top Goodix touch IC in 1602 display display coordinates, to touch where it will show the coordinates of specific, simple application, transplantation is convenient and flexible, can be transplanted to wince, arm, STM328051 microcontroller.)
stm32f401使用ad模块pcf8591(using pcf8591 by the stm32f401)
逆变器PQ和V/F控制,PSCAD模型,掌握分布式电源这两种控制很有用。(PQ and V/F control inverter, PSCAD model, master the distributed power supply this two kinds of control is very useful.)
说明: 通过max30102获取血氧浓度,并计算心率,通过uart1输出(Obtain the blood oxygen concentration through max31002, calculate the heart rate, and output through uart1)
说明: 野火官方基于OV5640解码二维码例程。单片机是F429.解码部分代码可以移植至其他IC。此库已经用在公司项目二维码门禁反扫功能上。(Wildfire officials decode two-dimensional code routines based on ov5640. The MCU is f429. The decoding part of the code can be transplanted to other IC. This library has been used in the company project QR code access control anti scanning function.)
基于stm32单闭环pid调速控制,单电阻采样,正弦波驱动,pid调速。(Based on stm32 pmsm drive, single sampling resistor, sine wave drive, pid speed control.)
基于STM32的AT25128底层驱动。用库函数编写,基于Keil(Based on the STM32 AT25128 underlying driver. Written library functions, based on Keil)
说明: 使用555时基电路产生频率为20kHz-50kHz的方波Ⅰ作为信号源;利用此方波Ⅰ,可在四个通道输出4种波形;每通道输出方波Ⅱ、三角波、正弦波Ⅰ、正弦波Ⅱ中的一种波形,每通道输出的负载电阻均为600欧姆。限用NE555、NE5532(或LM358)、电容和电阻若干。(-Waveform generator with schematic + circuit + program)
电力系统中要求电压稳定度和无功功率满足一定的技术指标,利用带独立直流电源的级 联式多电平逆变器和多电平逆变器最优化谐波台阶式调制技术(OHSW)设计的STATCOM装置, 可以使电力系统中的电压得到稳定以及无功功率和谐波得到有效补偿。本文主要介绍了STAT- COM装置主电路的设计,主电路是STATCOM装置与系统进行交换有功功率与无功功率的环节。 该装置具有输出谐波含量低、损耗小、性能可靠等优点。(Requirements of power system voltage stability and reactive power to meet certain technical specifications, the use of DC power supply with independent level Joint multi-level inverter and multi-level inverter optimized harmonic stepped modulation (OHSW) design of the STATCOM device, Can make the power system voltage stability and reactive power to be harmonic and effective compensation. This paper describes the STAT- COM device main circuit design, is the STATCOM main circuit switching devices and systems for active and reactive power component. The device has a low output harmonic content, low loss, performance, and reliable.)
说明: ads1118驱动例程,使用stm32驱动ads1118模块(Ads1118 driver routine)