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C/C++语言编程 基于单片机的简单电子琴(源代码)

简单电子琴的51单片机程序 #include<reg51.h>       //包含51单片机寄存器定义的头文件 sbit P14=P1^4;     //将P14位定义为P1.4引脚 sbit P15=P1^5;          //将P15位定义为P1.5引脚 sbit P ...
https://www.eeworm.com/dl/503/37090.html
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可编程逻辑 WP328-FPGA的语音数据融合

  The SDI standards are the predominant standards for uncompressed digital videointerfaces in the broadcast studio and video production center. The first SDI standard,SD-SDI, allowed standard-definition digital video to be transported over the coaxial cableinfrastructure initially instal ...
https://www.eeworm.com/dl/kbcluoji/40101.html
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可编程逻辑 XAPP740利用AXI互联设计高性能视频系统

This application note covers the design considerations of a system using the performance features of the LogiCORE™ IP Advanced eXtensible Interface (AXI) Interconnect core. The design focuses on high system throughput through the AXI Interconnect core with F MAX  and area optimizat ...
https://www.eeworm.com/dl/kbcluoji/40103.html
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可编程逻辑 采用FPGA的多路高压IGBT驱动触发器研制

为有效控制固态功率调制设备,提高系统的可调性和稳定性,介绍了一种基于现场可编程门阵列( FPGA)和微控制器(MCU) 的多路高压IGBT 驱动触发器的设计方法和实现电路。该触发器可选择内或外触发信号,可遥控或本控,能产生多路频率、宽度和延时独立可调的脉冲信号,信号的输入输出和传输都使用光纤。将该触发器用于高压IGBT(3300 V ...
https://www.eeworm.com/dl/kbcluoji/40326.html
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测试测量 基于GPS的恒温晶振频率校准系统的设计与实现

针对目前广泛对高精度频率源的需求,利用FPGA设计一种恒温晶振频率校准系统。系统以GPS接收机提供的秒脉冲信号为基准源,通过结合高精度恒温晶振短期稳定度高与GPS长期稳定特性好、跟踪保持特性强的优点,设计数字锁相环调控恒温晶振的频率。详细阐述系统的设计原理及方法,测试结果表明,恒温晶振的频率可快速被校准到10 M ...
https://www.eeworm.com/dl/544/41506.html
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测试测量 电脑音频虚拟仪器的设计与使用

近年来电脑虚拟仪器的发展很快。在飞速发展的计算机技术支持下,“软件即仪器”的理念得到了充分的发挥。计算机加软件配合合适的AD/DA界面和传感器/控制器,就可以完成形形色色的传统仪器的所有功能,应用领域遍及现代科技的各个方面,大有星火燎原之势。而且由于其成本较低,升级容易换代快,维护简单,特别是数据的采集、 ...
https://www.eeworm.com/dl/544/41976.html
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数值算法/人工智能 计算ARMA(p

计算ARMA(p,q)模型的功率谱密度。 形参说明: b——双精度实型一维数组,长度为(q+1),存放ARMA(p,q)模型的滑动平均系数。 a——双精度实型一维数组,长度为(p+1),存放ARMA(p,q)模型的自回归系数。 q——整型变量,ARMA(p,q)模型的滑动平均阶数。 p——整型变量,ARMA(p,q)模型的自回归阶数。 sigma2——双精度实型变量, ...
https://www.eeworm.com/dl/518/139034.html
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数值算法/人工智能 Routine mampres: To obtain amplitude response from h(exp(jw)). input parameters: h :n dimensione

Routine mampres: To obtain amplitude response from h(exp(jw)). input parameters: h :n dimensioned complex array. the frequency response is stored in h(0) to h(n-1). n :the dimension of h and amp. fs :sampling frequency (Hz). iamp:If iamp=0: The Amplitude Res. amp(k)=abs(h(k)) If iamp=1: The ...
https://www.eeworm.com/dl/518/161960.html
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其他 Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this mo

Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this motion into a forward and backward whil orbits. The current function makes use of two sensors to generate a bi-directional spectrogram. The method can be extended to any time-frequency distribution % ...
https://www.eeworm.com/dl/534/167783.html
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电子书籍 Features &#8226 Compatible with MCS-51&reg Products &#8226 8K Bytes of In-System Programmable (ISP

Features &#8226 Compatible with MCS-51&reg Products &#8226 8K Bytes of In-System Programmable (ISP) Flash Memory – Endurance: 1000 Write/Erase Cycles &#8226 4.0V to 5.5V Operating Range &#8226 Fully Static Operation: 0 Hz to 33 MHz &#8226 Three-level Program Memory Lock &#8226 256 x 8-bit Internal ...
https://www.eeworm.com/dl/cadence/ebook/168871.html
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