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电子密码锁 功能如下: l、按键接口的设计 包括: 1)键盘扫描电路 2)弹跳消除电路 3)键盘译码电路 4)按键存储电路 2、密码锁的控制电路设计 包括: 1)按键的数字输入、存储及清除 2)功能按键的功能设计 3)移位寄存器的设计与控制 4)密码清除、变更、存储、激活电锁电路 5)密码核对、解除电锁电路 3、输出七段显示电路的设计 包括: 1)数据选择电路 2)BCD对七段显示译码电路 3)七段显示扫描电路 密码锁功能说明: 1、 数据输入:每按一个数字键,就输入一个数值,并在显示器上的最右方显示出该数值,并将先前已经输入的数据依序左移一个数字位置。 2、数码清除:按下此键可清除前面所有的输入值,清除成为“0000”。 3、密码更改:按下此键时将日前的数字设定成新的密码。 4、激活电锁:按下此键可将密码锁上锁。 5、解除电锁:按下此键会检查输入的密码是否正确,密码正确即开锁。 -Electronic locks l, key interface design Include: 1) The keyboard scanning circuit 2) bounce elimination circuit 3) Keyboard decoding circuit 4) The button memory circuit 2, the lock control circuit design Include: 1) Press the digital input, storage and removal 2) The functional design of function keys 3) Design and Control of the shift register 4) remove the password, change, storage, activate the electric lock circuit 5) The password check, the lifting power lock circuit 3, the output of seven-segment display circuit Include: 1) data selection circuit 2) BCD seven segment display decoder circuit of 3) seven segment display scanning circuit Password Lock Function: 1, the data entry: Each press a number key to enter a value, and in the far right on the display shows the number and order of input data previously left a number of locations. 2, Digital Clear: Press this key to clear all previous input values​ ​ , clear
Update : 2024-04-29 Size : 130048 Publisher : ldong1989

数字频率计的设计,1.频率测量范围:1Hz—9999Hz。 2.数字显示位数:4位数字显示。3.被测信号幅度Ui=0.5—5V(正弦波、三角波、方波)。4.测量时间:t≤1.5S-The design of digital frequency meter, 1. Frequency Range: 1Hz-9999Hz. 2. Digital Display digits: 4-digit display. 3. The measured signal amplitude Ui = 0.5-5V (sine wave, triangle wave, square wave). 4. Measurement time: t ≤ 1.5S
Update : 2024-04-29 Size : 51200 Publisher : 翟明

数字图像处理领域很经典的一本书,冈萨雷斯写得,第二版中文版-Digital image processing is a classic book, written Gonzalez, the second version of the Chinese version
Update : 2024-04-29 Size : 31623168 Publisher : kang

solution Mannual for digital communication by Proakis
Update : 2024-04-29 Size : 1470464 Publisher : nasir

MFC和OpenCV结合的数字图像处理课程设计,实现数字图像处理中的多个算法,图像分割,形态学图像处理,空间域增强,哈哈镜,二值化,Sobel,Laplace,Robert等边缘检测,中值滤波和均值滤波等,实现的功能比较全,花了我2个通宵做的 -MFC and OpenCV combination of digital image processing course design, digital image processing of multiple algorithms, image segmentation, morphological image processing, spatial enhancement, magic mirror, binarization, Sobel, Laplace, Robert other edge detection, median filtering and mean filtering, to achieve the full feature comparison, it took me 2 night do
Update : 2024-04-29 Size : 6865920 Publisher : young

图像处理上课用的ppt,配套那本经典的数字图像处理书,讲解了数字图像的基本处理。-Image processing class using ppt, matching that of the classic digital image processing book explains the basic digital image processing.
Update : 2024-04-29 Size : 24208384 Publisher : 小眼

VHDL语言编写的数字时钟设计程序,含源代码和波形仿真,还有顶层电路设计。-The VHDL language of the digital clock design procedures, including source code and the waveform simulation, but also the circuit design.
Update : 2024-04-29 Size : 13312 Publisher : h

modern digital and analog communication systems
Update : 2024-04-29 Size : 3879936 Publisher : balu

Gardner关于位同步算法的经典IEEE文章。-Abstrucf- Timing adjustment in a digital modem must be performed by interpolation if sampling is not synchronized to the data symbolsT. his paper describest he fundamental equation for interpolation, proposes a method for control, and outlines the signal-processing characteristics appropriate to an interpolator. The material combines a review of previously known topics, presentation of new results, and a tutorial exposition of the subject. A companion paper will treat performance and implerneutation
Update : 2024-04-29 Size : 557056 Publisher : 丁建

we define basic terminology and introduce important concepts for constraining topology in image processing methods. A critical consequence of results from digital topology is that changes in topology can be detected using local computations.
Update : 2024-04-29 Size : 2447360 Publisher : uma

VHD L数字钟 设计源码 包括 设计思想 设计模块 -VHD L source, including digital clock design design design module
Update : 2024-04-29 Size : 45056 Publisher : 马峰凌

三种不同的数字调制解调,分别产生PSK,QAM,16QAM,32QAM等-three different digital modulations, which produces PSK,QAM,16QAM,32QAM and so on
Update : 2024-04-29 Size : 3072 Publisher : 陶华伟

FPGA结合DSP设计,如FIR、IIR滤波器,CORDIC算法,多重采样率信号处理,FFT,有对应的VHDL/Verilog 代码code-FPGA Combines with DSP, FIR 、IIR Digital Filters,CORDIC,FFT,Adaptive Filters,VHDL/Verilog code
Update : 2024-04-29 Size : 10501120 Publisher : rickdecent

在linux下用QT开发的一个数码相框程序,包含背景音乐播放、图片手动浏览、图片自动浏览等功能。经过交叉编译以后,可以在移植有包含Qtopia-2.2.0的文件系统上运行。程序中使用的文件类为自己编写。-QT under linux with the development of a digital photo frame program, including background music, pictures, manual browsing, automatic picture viewer. After cross-compilation, the transplantation can be included in the Qtopia-2.2.0 file systems. Program files used in class to write their own.
Update : 2024-04-29 Size : 12467200 Publisher : 熊瑞

multirate digital signal processing 的技术文档-multirate digital signal processing
Update : 2024-04-29 Size : 182272 Publisher : sen

这是多功能数字钟的Verilog源程序,此程序已经编译通过,可以使用-This is a multi-functional digital clock in Verilog source code, this program has been compiled by, you can use
Update : 2024-04-29 Size : 493568 Publisher : 莫然

本设计是一个数字调频收音机,调频就是频率调制,所谓频率调制就是原来等幅恒频的高频信号的频率,随着调制信号(音频信号)的幅度变化而变化,调频收音机(FM Radio)就是接收这些频率调制的无线电信号,经过解调还原成原信号的电子设备。FM Radio电路一般主要由接收天线、振荡器、混频器、AGC(自动增益控制)、中频放大器、中频限幅器、中频滤波器、鉴频器、低频静噪电路、搜索调谐电路、信号检测电路及频率锁定环路、音频输出电路等组成。本设计就是用单片机控制集成了上述所有FM功能的专用芯片,设计一个数字FM收音机系统。 -This design is a digital FM radio, FM is frequency modulation, frequency modulation is the original so-called constant frequency amplitude high-frequency signal frequency, with the modulation signal (audio signal) the magnitude of change, FM Radio (FM Radio) is frequency modulation radio receiving these signals, the demodulated signal to restore to the original electronic equipment. FM Radio is generally mainly by the receiving antenna circuit, oscillators, mixers, AGC (automatic gain control), IF amplifier, IF limiter, IF filter, frequency discriminator, frequency squelch circuit, search tuning circuit, signal detection and frequency locked loop circuit, the audio output circuit. This design is integrated with MCU control all of the above FM function ASIC design of a digital FM radio system.
Update : 2024-04-29 Size : 441344 Publisher : 周涛

数字图像处理 K.R.Castleman著,朱志刚 石定机等译 电子工业出版社-With digital image processing KRCastleman, Zhu Zhigang Shi Ding machine translation Electronics Industry Press,
Update : 2024-04-29 Size : 25617408 Publisher : 海之帆

数字秒表的设计报告,用VHDL语言编写程序,实现分析讨论中各种功能,分别进行编译并生成相应的模块,然后将这些模块连接起来形成电路图,并进行编译、仿真。-Digital stopwatch design reports, using VHDL language programming, analysis and discussion of various functions to achieve, respectively, to compile and generate the corresponding module, and then connect these modules together to form a circuit, and compiled simulation.
Update : 2024-04-29 Size : 375808 Publisher : 吴亮

用凯瑟窗设计一个数字带通滤波器,设计指标为 低阻带:ws1=0.2pi,as=70dB, 低通带:wp1=0.35pi,ap=1dB, 高通带:wp2=0.65pi,ap=1dB, 高阻带:ws2=0.8pi,as=60dB-Kaiser window design with a digital band-pass filter design specifications for the Low resistivity zone: ws1 = 0.2pi, as = 70dB, Low-pass band: wp1 = 0.35pi, ap = 1dB, High-pass band: wp2 = 0.65pi, ap = 1dB, Impedance with: ws2 = 0.8pi, as = 60dB
Update : 2024-04-29 Size : 1024 Publisher : glarytattoo
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