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[JSP] 8LED DL : 0: 以把直接数字频率合成（DDS）看成这样一种技术，它能用数字值形式的信号控制正弦波的频率。最简单的DDS电路包括一个二进制计数器，一个以等间隔正弦波值进行全波编程的ROM，以及一个数模转换器，用于将存储的正弦波值转换为电压。计数器的时钟频率决定了正弦波的频率，但这种结构并不灵活。 -To the Direct Digital Synthesis (DDS) as such a technology, it can use the digital value of the form of the frequency of sine wave signal control. The simplest DDS circuit includes a binary counter, such as between a full-wave sine wave value programmed ROM, and a Digital to Analog, used to store the value of the sine wave into a voltage. Counter clock frequency determines the frequency of sine wave, but the structure is not flexible.
Date : 2026-01-18 Size : 16kb User : huangz
[JSP] AddressBook2.1 DL : 0: 1、模拟手机通信录的功能，能功实现添加、删除、修改手机能信录； 2、通信录按姓名进行排序，同一个记录可存储多个手机号、办公电话等； 3、符合课题要求，实现相应功能，可以增加其他功能或修饰，使程序更加完善、合理； 4、要求界面友好美观，操作方便易行-1, the analog mobile phone address book can function to add, delete, modify phone letter recorded 2, address book sorted by name, the same record can store multiple phone number, office phone meet the subject requirements corresponding function can add additional features or modifications, to make the program more comprehensive and reasonable 4, the interface is friendly and beautiful, easy to operate and easy
Date : 2026-01-18 Size : 36kb User : gaomiao
[JSP] MTW6.7a DL : 0: 主要是在做数模题时的源代码，有关修理汽车问题的数学建模，主要是排队论方面的问题-Mainly in the source code to do the digital-to-analog problem, vehicle repairs mathematical modeling, the main aspects of queuing theory
Date : 2026-01-18 Size : 5.84mb User : 陈敏
[JSP] AudioTest DL : 0: android开发的电子琴，程序执行后，有一个带有模拟钢琴键盘的面板，用户可以通过键盘或者鼠标来“敲击”钢琴键盘发出声音，也可以通过电脑键盘的组合键实现钢琴的高音。用户可直接下载到手机上用。-android development of the organ, program execution, there is a piano keyboard with analog panel, the user through the keyboard or mouse to " click" sound piano keyboard, or by a combination of computer keyboard keys to achieve piano treble. Users can download directly to your phone with.
Date : 2026-01-18 Size : 888kb User : 余鱼
[JSP] 8051-ADC-Code-(1) DL : 0: analog to digital conversion for 8051 microcontroller
Date : 2026-01-18 Size : 72kb User : bj
[JSP] sound DL : 0: Arduino与processing之间的数据传递，实现声音信号模拟信号读入-Data transfer between Arduino and processing to achieve a sound signal into an analog signal reading
Date : 2026-01-18 Size : 1kb User : gaomian
[JSP] PWM-output-control-with-ADC0808 DL : 0: 名称：用ADC0808控制PWM输出说明：使用数模转换芯片ADC0808，通过调节可变电阻RV1来调节脉冲宽度，运行程序时，通过虚拟示波器观察占空比的变化。-Name: PWM output control with ADC0808 Description: Use digital-analog converter chip ADC0808, by adjusting the variable resistor RV1 to adjust the pulse width, when you run the program, through a virtual oscilloscope to observe the duty cycle changes.
Date : 2026-01-18 Size : 28kb User : 钱磊
[JSP] ADC0809-digital--display DL : 0: 名称：ADC0809数模转换与显示说明：ADC0809采样通道3输入的模拟量，转换后的结果显示在数码管上-Name: ADC0809 digital to analog conversion and display Description: ADC0809 sampling analog input channel 3, the results are displayed on the converted digital
Date : 2026-01-18 Size : 40kb User : 钱磊