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说明：  摘要：介绍一种基于8051F单片机的数字音频信号源，利用单片机用DDS算法产生音频信号，通过数字电阻衰减器控制音频信号幅度，在0~100dB的幅度范围内实现1dB的步进值，系统计算机接口实现了集中多路衰减量的控制。 关键词：音频；单片机；控制；数字/数字音频信号源；电阻衰减器；C8051F330；CD4053(Abstract: A microcomputer-based 8051F digital audio signal source using DDS algorithm for single-chip computer generated audio signals, digital resistor attenuator control of the audio signal amplitude, in the range of 0 ~ 100dB achieved within 1dB of step value, the system computer interface of the centralized multi-channel attenuation control. Keywords: audio microcomputer control digital/digital audio signal source resistor attenuator C8051F330 CD4053)

关于springboot+rabbitmq的整合内容(On the Integration of Springboot+rabbitmq)

the adaboosting arithmetic

KSVD字典学习算法和MOD字典学习算法，希望对初学者有用(KSVD dictionary learning algorithm and Mod dictionary learning algorithm,hoping to be useful for beginners)

这是directshow的前言部分，是免费的哦！-directshow This is the foreword, is free!

模态参数辨识！单点激励响应，通过模态实验获取模态参数，模态质量，刚度，阻尼(modal parameter identification)

一篇总结了当前大多数椭圆拟合方法的文章，并进行了深度分析，提出了改进的方法，适用于初学者进阶阅读。-1 summarizes the most current methods of ellipse fitting articles and in-depth analysis, put forward an improved method, applicable to advanced beginners to read.

说明：  CRT需要添加很多设备时，正常要一个一个添加，这个工具可以用一个为模板(When CRT needs to add many devices, it is normal to add one by one. This tool can be used as a template.)

三菱plc与labview通过以太网进行数据采集，可以直接应用，有助于学习(MITSUBISHI PLC and LabVIEW through Ethernet data acquisition, can be directly applied to help learning)

a really neat dollhouse to make