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Description: 设当前系统中有多个栈在工作，多栈模拟问题要求模拟当前系统中各栈的工作状态。
由文件input.txt给出输入数据。第1行是正整数n，表示有n个栈操作。接下来的n行，
每行给出一个栈操作指令。栈操作指令“PUSH A B”表示将正整数B加入编号为A的栈顶；
栈操作指令“POP A”表示输出编号为A的栈顶元素输入文件示例 输出文件示例
input.txt output.txt
7
PUSH 1 100
PUSH 1 200
PUSH 2 300
PUSH 2 400
POP 3
POP 1
POP 2
0
200
4-set up the current system in a number of warehouse work, Stack simulation requires simulation of the current system of state stack. Input.txt documents presented by the input data. Line 1 is a positive integer n, n-stack operation. N the next trip, each trip is a stack operating instructions. Stack operating instructions "PUSH A B" is said to integer numbers of B to A stack; Stack operating instructions "A POP," said output No. A stack of documents imported elements example output file example inpu t.txt 1100 output.txt 7 PUSH PUSH PUSH 1200 2300 PUSH 2400 POP POP a POP 3 2 0200 4
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Size: 7481 |
Author: 赖荣伟 |
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Description: 第一步：了解串口通信原理
串口通信的概念非常简单，串口按位（bit）发送和接收字节。尽管比按字节（byte）的并行通信慢，但是串口可以在使用一根线发送数据的同时用另一根线接收数据。它很简单并且能够实现远距离通信。比如IEEE488定义并行通行状态时，规定设备线总常不得超过20米，并且任意两个设备间的长度不得超过2米；而对于串口而言，长度可达1200米。
典型地，串口用于ASCII码字符的传输。通信使用3根线完成：（1）地线，（2）发送，（3）接收。由于串口通信是异步的，端口能够在一根线上发送数据同时在另一根线上接收数据。其他线用于握手，但是不是必须的。串口通信最重要的参数是波特率、数据位、停止位和奇偶校验。对于两个进行通行的端口，波特率, 数据位, 停止位, 奇偶校验位等这些参数必须匹配.
第二步：用可视化编程语言delphi编写PC机串口通信测试软件
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Size: 455770 |
Author: 670522326@qq.com |
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Description: 设当前系统中有多个栈在工作，多栈模拟问题要求模拟当前系统中各栈的工作状态。
由文件input.txt给出输入数据。第1行是正整数n，表示有n个栈操作。接下来的n行，
每行给出一个栈操作指令。栈操作指令“PUSH A B”表示将正整数B加入编号为A的栈顶；
栈操作指令“POP A”表示输出编号为A的栈顶元素输入文件示例 输出文件示例
input.txt output.txt
7
PUSH 1 100
PUSH 1 200
PUSH 2 300
PUSH 2 400
POP 3
POP 1
POP 2
0
200
4-set up the current system in a number of warehouse work, Stack simulation requires simulation of the current system of state stack. Input.txt documents presented by the input data. Line 1 is a positive integer n, n-stack operation. N the next trip, each trip is a stack operating instructions. Stack operating instructions "PUSH A B" is said to integer numbers of B to A stack; Stack operating instructions "A POP," said output No. A stack of documents imported elements example output file example inpu t.txt 1100 output.txt 7 PUSH PUSH PUSH 1200 2300 PUSH 2400 POP POP a POP 3 2 0200 4
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Size: 7168 |
Author: 赖荣伟 |
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Description: 串口通信的概念非常简单，串口按位（bit）发送和接收字节。尽管比按字节（byte）的并行通信慢，但是串口可以在使用一根线发送数据的同时用另一根线接收数据。它很简单并且能够实现远距离通信。比如IEEE488定义并行通行状态时，规定设备线总常不得超过20米，并且任意两个设备间的长度不得超过2米；而对于串口而言，长度可达1200米。典型地，串口用于ASCII码字符的传输。通信使用3根线完成：（1）地线，（2）发送，（3）接收。由于串口通信是异步的，端口能够在一根线上发送数据同时在另一根线上接收数据。其他线用于握手，但是不是必须的。串口通信最重要的参数是波特率、数据位、停止位和奇偶校验。-The concept of serial communication is very simple, serial by bit (bit) to send and receive bytes. Although more than by byte (byte) of parallel communication slow, but can use a serial line to send data at the same time another line to receive data. It is very simple and can achieve long-distance communications. For example, the definition of IEEE488 parallel access mode, the total line often provides equipment shall not be more than 20 meters, and between any two devices may not be more than two meters in length and in terms of the serial port, up to 1200 meters in length. Typically, serial code for the ASCII character transmission. 3 lines of communication to use to complete: (1) ground, (2) send, (3) to receive. Due to the asynchronous serial communication port to send data in a line at the same time another line to receive data. Other lines for the handshake, but not necessary. Serial communication the most important parameter is the baud rate, data bits, stop bits and parity.
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Author: zhendongzhao |
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Description: Java技术手册（第五版）（中文版）原书共一千两百余页，分为两大部分：第一部分为涵盖入门介绍、语法、面向对象程序设计、Java平台、安全性、程序设计与文档制作习惯、开发工具等章节的“Introducing Java”，秉承著作者David Flanagan一贯的言简意赅的风格，精要的文字能够让读者以更少的时间获得更多的收获；第二部分“API Quick Reference”占原书约三分之二的篇幅。考虑过一般开发者的习惯与查询便利性之后，为减轻读者书本重量上的负担以及购买的成本，中文译本已将与在线说明文档重叠的“API Quick Reference”部分删减。
《Java技术手册》（《Java in a Nutshell》）系列曾经荣获Jolt Award奖项，是一本有口皆碑的Java经典畅销书，历年来有许多程序员都是以阅读此书开始进入Java程序设计的殿堂的。-The original total of more than 1200 pages, divided into two major parts: the first part to cover the entry, the syntax, object-oriented programming, Java platform, security, program design and document production habits, development tools, such as the chapters " Introducing Java ", our author David Flanagan concise and consistent style, the essence of the text to give readers with less time to get more of the harvest the second part of" API Quick Reference "accounted for about two-thirds of the original book length. Taking into account the general development of the habits and convenience after inquiry, in order to alleviate the weight on the reader the burden of books, as well as the cost of purchase, a Chinese translation have been overlapping with the online documentation of the "API Quick Reference" part of the deletion.
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Size: 28277760 |
Author: jason |
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Description: 根据语音信号的特点给出有关滤波器的性能指标：1）低通滤波器性能指标，fp=1000Hz，fc=1200 Hz， As=100dB，Ap=1dB；2）高通滤波器性能指标，fc=2800 Hz，fp=3000 Hz As=100dB，Ap=1dB；3）带通滤波器性能指标，fp1=1200 Hz，fp2=3000 Hz，fc1=1000 Hz，fc2=3200 Hz，As=100dB，Ap=1dB。用IIR对其分析，最后，利用MATLAB中的函数freqz画出各滤波器的频率响应。-This article according to the IIR filter and the FIR filter characteristic, uses the bilinearity method of transformation under the MATLAB bad boundary to design IIR and to design the FIR numeral filter separately with the window box number, and carries on the analysis to the gathering pronunciation signal, and finally gives IIR and FIR to the pronunciation filter effect.
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Description: 根据语音信号的特点给出有关滤波器的性能指标：1）低通滤波器性能指标，fp=1000Hz，fc=1200 Hz， As=100dB，Ap=1dB；2）高通滤波器性能指标，fc=2800 Hz，fp=3000 Hz As=100dB，Ap=1dB；3）带通滤波器性能指标，fp1=1200 Hz，fp2=3000 Hz，fc1=1000 Hz，fc2=3200 Hz，As=100dB，Ap=1dB。用IIR对其分析，最后，利用MATLAB中的函数freqz画出各滤波器的频率响应。-This article according to the IIR filter and the FIR filter characteristic, uses the bilinearity method of transformation under the MATLAB bad boundary to design IIR and to design the FIR numeral filter separately with the window box number, and carries on the analysis to the gathering pronunciation signal, and finally gives IIR and FIR to the pronunciation filter effect.
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Size: 3072 |
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Description: 编写Java应用程序,自定义类Car，类中有4个变量：字符串name，表示汽车的品牌；字符串color，表示汽车的颜色；double型变量weight，表示汽车的自重；int型变量passenger，表示汽车能搭乘的人数。在应用程序中创建类Car的2个对象，分别为car1（品牌：“本田”；颜色：“黑色”；自重：1500公斤；搭乘的人数：5人），car2（品牌：“奥迪”；颜色：“白色”；自重：1200公斤；搭乘的人数：4人）并显示其信息。-Write a Java application, since the definition of class Car, class four variables: string name, said the car brand string color, represents the color of the car the double variable weight, said the dead weight of the car int variable passenger Indicates the number of persons that can ride in a car. Create an object of class Car 2 application were car1 (brand: " Honda" colors: " black" Weight: 1500 kg take the number of people: 5 people), car2 (brand: Audi colors : " white" weight: 1200 kg take the number of people: 4 people) and display information.
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Size: 1024 |
Author: Mankind |
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Description: 1.关于软件：中医常识，中医养生方略，中医益气补血药方供1200例。
2.ACCESS数据库，直接使用不需要安装SQL数据库；
3.CAR技术，复制即可运行，防止SQL注入功能；-1 Software: Chinese knowledge, Chinese health policy, Chinese medicine Yiqi Buxue recipe for 1200 cases.
The direct use of 2.ACCESS database, do not need to install the SQL database
3.CAR technology, copy to run, to prevent SQL injection function
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Size: 2978816 |
Author: dfswi |
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Description: *表示最高音
h表示高音
m表示中音
l表示低音
与其控制的音符构成音高，决定发音频率，音高的后面是音长，可以用整数或小数输入以控制时间，但中间必须用空各隔开。
乐谱文件的得最前面是一个整数，白噢是音长基数，一般为300 600 900 1200ms；乐谱文件最后世结束符 “##” ，以表示乐谱文件的结束。
程序对读入的乐谱进行翻译， 确定每个乐音的频率和声长， 每个音的音长=音长基数*节拍数，其中技术是乐谱文件的第一个字符。
由于DOS下用来发声的sound函数只能以频率作为参数，所以要完成音符到频率的翻译，没个音的音频可用以模拟频率值输入。-* said top note
H says soprano
M says alto
L said bass
Instead of controlling the notes form pitch, decided to sound frequency, pitch is behind the duration, can use the integer or decimal input to control the time, but must be separated with empty each in the middle.
Music files to the front is an integer, white base, oh is duration generally is 300 600 300 1200 ms Music file finally the terminator \"##\", to indicate the end of the music files.
For translation program to read music, make sure each tone frequency harmonic long, the length of each sound = length base* ticks, the first character technology is music files.
Due to DOS can only be used for voice sound function with frequency as parameter, so to complete the notes to the frequency of the translation, not a sound audio input can be used to simulate the frequency value.
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Description: 直接烧好程序，拔掉J15的跳线帽，否则免启动模块会干扰。然后在电脑上打开本程序文件夹串口调试助手，设置波特率为1200，如果使用USB转串口，则要选择相应的串口端口，就可以看到结果的了；如果用串口的话，要连接好串口线，并选择COM1。-Direct burn a good program, unplug the J15 jumper cap otherwise would interfere with free startup module. Then turn on the computer the program folder serial debugging assistant, set the baud rate of 1200, if you use USB to serial, will have to select the appropriate serial port, you can see the results of the If the serial port, then, to connect serial cable, and select COM1.
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Size: 15360 |
Author: yuqi |
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Description: 数字微镜DMD空间光调制器控制平台G4100可以实现如下功能：1、兼容德州仪器TI D4100 开发系统。能够支持1920 X 1080分辨率DMD (DMD微镜为10.6微米,本征分辨率为1920X1080)；同时还能支持1024 X 768分辨率的DMD（有两种微镜结构，一种是13.68 微米，对角线长度为0.7 英寸；另一种是10.8 微米的，对角线长度为0.55 英寸）；
2、支持USB2.0 高速传输图片和控制信号，具有内同步和外同步功能，同步脉冲电平标准为CMOS 3.3V；
3、开放式控制软件基于Windows XP 全速度USB驱动，程序在VS2010下编写，开放式接口, 有利于二次开发；
4、提供丰富的Windows XP 的USB控制程序和API开发系统；
5、支持XGA，1080p 和1920 x 1200 分辨率单个微镜精确控制；
6、开放式FPGA 架构，提供示例FPGA 的二次开发选择和客户定制功能；
7、高速二进制和任意灰度图片显示；
8、对比度：超过2000：1；
9、波段：350nm--2700nm 可见光；
10、微镜二进制翻转频率：播放帧频可设置，目前可做到5K；
11、微镜任意时间锁定。
-DMD digital micromirror spatial light modulator control platform G4100 can achieve the following functions: 1, compatible with Texas Instruments TI D4100 development system. Can support 1920 X 1080 resolution DMD (DMD micromirror 10.6 microns, the intrinsic resolution of 1920X1080) while also supporting a resolution of 1024 X 768 DMD (micromirror structure, there are two, one is 13.68 microns, for diagonal length of 0.7 inches Another is 10.8 microns, the diagonal length of 0.55 inches) 2, support USB2.0 high speed transmission of images and control signals with the synchronization and external synchronization, sync pulse level standards as CMOS 3.3V 3, open Windows XP-based control software full speed USB drive, programming in VS2010, open interfaces, help secondary development 4, provides a wealth of Windows XP' s USB control program and API development system 5, supports XGA, 1080p and 1920 x 1200 resolution single micromirror precise control 6, open FPGA architecture, pr
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Author: 刘明 |
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Description: 本实验将实现如下功能：开机检测ENC28J60，如果检测不成功，则提示报错。在成功检测到ENC28J60之后，初始化uIP，并设置IP地址（192.168.1.16）等，然后监听80端口和1200端口，并尝试连接远程1400端口，80端口用于实现WEB Server功能，1200端口用于实现TCP Server功能，连接1400端口实现TCP Client功能。此时，我们在电脑浏览器输入http://192.168.1.16 ，就可以登录到一个界面，该界面可以控制开发板上两个LED灯的亮灭，还会显示开发板的当前时间以及开发板STM32芯片的温度（每10秒自动刷新一次）。另外，我们通过网络调试软件（做TCP Server时，设置IP地址为：192.168.1.103，端口为1400；做TCP Client时，设置IP地址为：192.168.1.16，端口为1200）同开发板连接，即可实现开发板与网络调试软件之间的数据互发。按KEY0，由开发板的TCP Server端发送数据到电脑的TCP Client端。按KEY2，则由开发板的TCP Client端发送数据到电脑的TCP Server端。LCD显示当前连接状态。-The experiment will achieve the following functions: start testing ENC28J60, if the test was not successful, the system prompts error. After successfully detected ENC28J60, initialize uIP, and set the IP address (192.168.1.16), etc., and then listens on port 80 and port 1200, and attempts to connect to the remote 1400 port, 80 port is used for WEB Server functions, 1200 port is used for TCP Server function, connecting ports 1400 TCP Client function. At this point, we enter in the computer browser http://192.168.1.16, you can log in to an interface that can control the development board two bright LED lights off, also displays the current time and the development board development board STM32 chip temperature (automatically refresh every 10 seconds). In addition, we network debugging software (do TCP Server, set the IP address is: 192.168.1.103, port is 1400 do TCP Client, set the IP address is: 192.168.1.16, port 1200) with the development board, namely Boards and can achieve data int
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Author: 夜辰 |
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Description: VB2010,C#2010与西门子S7-1200/S7-1500的PLC进行以太网通讯的工程代码，支持浮点、双整型数据等类型，无须在PLC内编程配合，直接通过网络接口访问PLC的数据区域，包括DI,DQ,M,DB；-VB2010, C# 2010 and Siemens S7-1200/S7-1500 PLC for Ethernet communication engineering code to support floating-point, double integer data types, without programming with the PLC directly through the network interface to access the PLC s data Area, including DI, DQ, M, DB
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Size: 982016 |
Author: effect |
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Description: 技术说明：
1.基础是学生资料管理系统，可以独立出来，甚至改造成学生成绩管理等其他系统
2.表格全部用百分比，自动适应800*600、1024*768、1600*1200等分辨率
3.学生网页外观由student.css控制，老师网页外观由teacher.css控制
4.ASP代码最大化简洁，只保留完成功能所必须的部分，全部才几百K
5.支持ACCESS和SQL2000数据库，默认用ACCESS，在data目录
6.数据库连接分别是 student/conn.asp,teacher/conn.asp,teacher/conn2.asp
7.表结构
8.老师和学生的密码默认用MD5加密，请根据自己需要修改
9.默认学生用户222，密码123456；默认老师用户111，密码123456-Technical description:
1 is based on student information management system, can be independent, or even into the student performance management system
2 table with all the percentage, automatically adapt to 800*600, 1024*768, 1600*1200 and other resolutions
3 student page appearance by the student.css control, teacher web appearance by teacher.css control
4.ASP code to maximize the concise, only to retain the necessary part of the completion of the function, only a few hundred K
5 support ACCESS and SQL2000 , the default ACCESS, in the data directory
6 connections are student/conn.asp, teacher/conn.asp, teacher/conn2.asp
7 table structure
8 teachers and students with the default password MD5 encryption, please modify according to their needs
9 default student user 222, password 123456 default teacher user 111, password 123456
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Size: 176128 |
Author: zengwei |
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Description: 编制一全双工UART电路，通过试验箱MAX202E转换成RS232电平，与计算机进行通讯实验，设置8个按键，按键值为ASIC码“1”~“8”，通过串口发送给计算机，在计算机上显示键值，同时在数码管最高位显示；计算机可发送“0”~“F”的ASIC码，FPGA接收后在数码管低位显示0~F。通过按键可设置波特率。
要求：波特率为三种 1200、2400、9600，由1个按键选择，3个LED分别指示；
数据格式为1位起始位、8位数据位和一位停止位；
上位计算机发送接收软件可使用“串口调试器“软件；
发送和接收数据时，由两个LED分别指示。
发挥：自动回发功能、接收到特殊字符（自定义）自动更改波特率。(A full duplex UART circuit, converted into RS232 level by MAX202E test box, communication experiment with computer, set of 8 buttons, keys for ASIC code "1" to "8", to the computer through the serial port to send and display keys on the computer, at the same time in the digital tube display high computer can send "; 0" to "F" in the ASIC code, FPGA after receiving the digital tube display low 0~F. You can set the baud rate by the button.
Requirements: baud rate for three, 1200, 2400, 9600, selected by 1 buttons, 3 LED, respectively;
The data format consists of 1 bit start bits, 8 bit data bits, and one stop bit;
The upper computer sends and receives the software, and the serial debugger can be used;
When sending and receiving data, instructions are given by two LED respectively.
Play: Auto postback function, receive special characters (custom), change baud rate automatically.)
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Size: 2948096 |
Author: 淡淡的意识
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Description: S7 1200最新版的，元器件选型手册，最近S7 200PLC已经开始停止生成，难以购买，替代产品为S7 1200 ,发出来大家共享；(S7 1200 latest version of the component selection manual, the recent S7 200PLC has begun to stop generation, it is difficult to buy, alternative products for S7 1200, sent out to share;)
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Size: 8863744 |
Author: 朱冰
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Description: 计算机与单片机之间实现串行通信，10位异步通信，波特率1200，采用定时器1产生，实现计算机串口调试助手与单片机之间的双向通信；(The serial communication between computer and MCU is achieved. Asynchronous communication with 10 bits and baud rate of 1200 are generated by timer 1, which realizes two-way communication between computer serial port debugging assistant and MCU.)
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Size: 447488 |
Author: 随风而来...
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Description: The kinematics of ABB IRB 1200 robot is modeled by D-H parameters. The pose matrix of the end coordinate system of the robot relative to the base coordinate system can be obtained by calculation.
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Size: 487 |
Author: 437203103@qq.com |
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