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一个表达式和一个二叉树之间,存在着自然的对应关系。写一个程序,实现基于二叉树的表示的算术表达式Expression的操作。 基本要求 1.ReadExpr(E) 以字符序列的形式输入语法正确的前缀表示式并够着表达式E。 2.WriteExpr(E) 用带括弧的中缀表达式输出表达式E。 3.Assign(V,c) 实现对变量V的赋值(V=c),变量的初值为0。 4.Value(E) 对算术表达式E求值。 5.CompoundExpr(P,E1,E2) 构造一个新的复合表达式(E1)P(E2)。 -Between an expression and a binary tree, there is a natural correspondence relationship. Write a program to achieve the operation of the binary tree-based representation of the arithmetic expression Expression. The basic requirements for input grammatically correct prefix expressions 1.ReadExpr (E) in the form of a sequence of characters and enough with the expression E. 2.WriteExpr (E) output expression E infix expression with parentheses. 3.Assign (V, c) the assignment of the variable V (V = c), the initial value of the variable to 0. 4.Value (E) E evaluates arithmetic expressions. 5.CompoundExpr (P, E1, E2) to construct a new composite expressions (E1) P (E2).
Update : 2024-05-19 Size : 6144 Publisher : wdtswdy

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1、通过DLL与PLC通信,基于ppi协议。 2、DLL文件名:S7_200_PPI.dll 3、串口,连接线为西门子PC-PPI电缆或自己焊接 4、S7-200 PLC 默认参数即可 5、默认一次最多读取100个VB字节或50个VW字,通过修改相关参数,可以读取更多 6、为了简化程序,仅提供V区操作,实际应用中足够了 7、操作VW字时,地址应为偶数-1, by the DLL to communicate with the PLC, based on the ppi agreements. DLL file name: S7_200_PPI.dll 3, serial cable for Siemens PC-PPI cable or welding 4, S7-200 PLC default parameter to 5, the default up to read 100 VB bytes or 50 VW word, by modifying the relevant parameters, you can read more 6 V region of operation, in order to simplify procedures, only in the practical application of sufficient 7 operating VW words, the address should be an even number
Update : 2024-05-19 Size : 242688 Publisher : 石晓生

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STM32F100RB microcontroller, 128 KB Flash, 8 KB RAM in 64-pin LQFP On-board ST-Link with selection mode switch to use the kit as a stand-alone ST-Link (with SWD connector) Designed to be powered by USB or an external supply of 5 V or 3.3 V Can supply target application with 5 V and 3 V Two user LEDs (green and blue) One user push button Extension header for all QFP64 I/Os for quick connection to prototyping board or easy probing --------原理图-STM32F100RB microcontroller, 128 KB Flash, 8 KB RAM in 64-pin LQFP On-board ST-Link with selection mode switch to use the kit as a stand-alone ST-Link (with SWD connector) Designed to be powered by USB or an external supply of 5 V or 3.3 V Can supply target application with 5 V and 3 V Two user LEDs (green and blue) One user push button Extension header for all QFP64 I/Os for quick connection to prototyping board or easy probing-------- schematics
Update : 2024-05-19 Size : 223232 Publisher : 吴此人

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== 决胜21点项目需求提要 == 软件功能: 1.)决胜21点玩法: I.根据玩家所持纸牌的点数和花色决定当局比赛的输赢; II.点数定义如下: 牌A:可以视情形为11或1; 牌J,Q,K,a(10),G(大怪),g(小怪):均为10; 牌2,3,4,5,6,7,8,9:为各自牌面显示的点数; III.花色定义如下: 同点数牌的花色大小排序为黑桃>红桃>方块>草花(包括怪) IV.牌数: 纸牌的总数为54张,包含4种花色的牌共13张,以及大小怪各一张; V.牌局: 比赛采取五局三胜制(默认缺省)或三局两胜制,每局比赛各个玩家先手持2张牌, 各玩家可以根据各自需要进行要牌,其中第三张牌为加点数,第四张牌为减点数, 各玩家每位最多4张牌,当点数相同时,以花色取胜,先以黑桃多为胜, 若黑桃牌数相同,则看红桃数,以此类推;若均数目相同则该局为平局; 当玩家先赢取三局(或两局)则比赛结束,最后报告各自玩家的输赢。 VI.积分: 玩家每取得一场胜赛积分10分,平局5分,负局0分,以此统计。 -21:00 project requirements Summary == == decisive Software features:         1) run-off 21:00 play:                 I. according to the number of points and the color of the players holding playing cards to decide the the authorities race of winning or losing                 II. Points are defined as follows:                     The licenses A: depending on the circumstances of 11 or 1                     Cards J, Q, K, a (10), G (big weird), g (mobs): both 10                     Brand 2,3,4,5,6,7,8,9: display the number of points for each sign face                 III. Colors are defined as follows:                     With the Points brand color size sort spades> hearts> box> flowers (includin
Update : 2024-05-19 Size : 31744 Publisher : 付杰

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1) PC软件系统架构:摄像机+USB图像采集卡+PC电脑+RS485模块 2) 嵌入式系统架构: 摄像机+嵌入式系统平台 3) 火车速度<=40KM/H 4) 实现轨道左侧的信号灯颜色检测,红,白,蓝三色 5) PC软件接收RS485的信号进行相应的显示并通过485发送当前信号灯颜色 6) 嵌入式系统接收RS485的信号进行相应的显示并通过485发送当前信号灯颜色 7) 测试环境:雨、雾、冰雪等天气的白天和夜晚环境下 目前在PC上进行了初步的算法实验,演示视频见优酷(http://v.youku.com/v_show/id_XNTA3MzQ5ODA0.html)。大概的思路:首先检测出列出的2根轨道,得到大概的检测区域。并再用视频处理算法识别、跟踪信号灯。希望大家给些建议,使用哪种算法可以更好的跟踪信号灯。 -1) PC software system architecture: camera+USB image acquisition card+PC the computer+RS485 module 2) embedded system architectures: camera the+ embedded system platform 3) train speed < = 40KM/H 4) track lights on the left side of the color detection, red , white, and blue color 5) PC software receives the the RS485 signal corresponding display by 485 to send the current signal light colors) embedded system receives the RS485 signals corresponding display and signal light colors 7) by 485 to send the current test environment: weather such as rain, fog, snow and ice during the day and night environment on a PC preliminary experiments the algorithm, see demo video Youku (http://v.youku.com/v_show/id_XNTA3MzQ5ODA0.html). Approximate idea: first detected listed in the two tracks, and probably the detection region. And then the video processing algorithms to identify, track semaphores. We hope we can give some advice, which algorithm can better track the signal lights.
Update : 2024-05-19 Size : 5660672 Publisher : changhaixinxi

实验三 指针 1. 实验目的:掌握指针的使用方法,正确使用指针处理字符串。 2. 实验内容:实现一个过滤无用词汇程序。规则如下: 1. 能接受的字符是:字母 数字 标点符号 , . " 还有无用的符号 @#¥ 2. 对于敏感信息的词语是不分大小写的。 3. 要注意滤去可能在敏感词汇的中间出现的一些空格(比如要滤去lv, 输入l v时要辨认出来并滤去)。 4. 若有用信息(字母,数字)中间夹这无用信息(非字母,数字,标点符号),也要辨认出并滤去。假如敏感词汇是mz, 那么输入 m &# %z也要滤去,但是输入 m1,z不用滤去。 现在要过滤的信息有L4和 Fd和D26这3个词,而且接受输入的字符串长度为20个字符。 扩展部分:在以上规则的基础上加入新的功能:1.标点符号,无用符号依赖用户的输入决定 2.敏感词汇由用户输入决定 3.接受输入字符串长度由用户输入决定。 3. 难点提示:过虑的主要步骤是1.检查是否有无用的词汇存在 2.标记无用的词汇的位置(最简单的办法的将其替换成无用的符号) 3.将步骤2的无用符号删去 4. 标准输入输出:加粗加大的是输入部分 输入字符串(不多于20个字符): L^67d* 输入不符合要求 输入字符串(不多于20个字符): @#$,." 过滤后: @#$,." 输入字符串(不多于20个字符): f @#$, d 过滤后:f @#$, d 输入字符串(不多于20个字符): # f @#$$# d # 过滤后:# # 输入字符串(不多于20个字符): f$#d26 过滤后:26 输入字符串(不多于20个字符): l4fDd26 过滤后: 输入字符串(不多于20个字符): 12345678901234567890123 输入不符合要求 输入字符串(不多于20个字符): 5. 评分标准: 程序能够正常运行,检查了输入的字符,长度是否合法(15分), 检查出了是否含有敏感词汇(40分) 并将其顺利过滤(30分) 程序的风格(是否简洁,清晰,无多余变量、表达式、语句、关键地方是否有注释)。(15分) 扩展部分全部完成(20分)
Update : 2013-04-20 Size : 5456 Publisher : kevin5231

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1.利用工具(如ACDSee、PhotoShop)将*.jpg转换为*.bmp; 2.借助imread命令将图像内容读入内存数组; 3.通过访问数字图像RGB三个通道的对应矩阵,改变数字图像的色彩; 4.将数字图像的RGB表示转换为YUV表示; Y=0.30R+0.59G+0.11B U=0.70R-0.59G-0.11B V=-0.30R-0.59G+0.89B 5.通过访问Y(亮度)通道,改变数字图像的亮度; 6.通过Y(亮度)通道作灰度的线性变换,改变数字图像的对比度。 -1. The use of tools (such as ACDSee, PhotoShop) to*. Jpg convert*. Bmp 2. With imread command reads the contents of the image memory array 3. By accessing the digital image matrix corresponding RGB three channels, changing the color of digital images 4. RGB representation of the digital image is converted to YUV means Y = 0.30R+0.59G+0.11B U = 0.70R-0.59G-0.11BV =-0.30R-0.59G+0.89B 5. By accessing the Y (luminance) channel, change the brightness of digital images 6. By Y (luminance) channel for the gray linear transformation, to change the contrast of the digital image.
Update : 2024-05-19 Size : 2048 Publisher : chen

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欢迎使用JSPGenCMS(JSPGen内容管理系统)视频播客版,开始使用之前请仔细阅读以下说明: 1、若不是使用WATMServer服务环境,则需要下载组件包(最新的为:Jar20101022.zip )。下载地址:http://cms.jspgen.com 2、数据库安装成功后的默认链接用户名及密码都是root,网站后台管理默认登录用户名及密码都是jspgen,该用户具有最高权限,请及时修改该用户的密码。 3、发现浏览器弹出窗口被阻止,请更改浏览器设置,以便正常使用内容发布全屏功能! 4、Flv文件夹内所有文件需上传至服务器,上传后请根据实际情况修改配置文件基本配置区的"主机地址"及"安装路径"部分。 否则静态生成等功能容易出错。 5、系统数据表文件Flv.sql,必须导入。 6、 官方地址:http://cms.jspgen.com 演示地址:http://v.21hong.com QQ服务客服:190582560,275886308 QQ帮组交流群:12349848、14996531 7、 视频教程:http://v.21hong.com/html/content/1290337930000X100.html --------------------------------------------------------------- 注意:在升级前请做好数据库及网站文件备份! -Welcome JSPGenCMS (JSPGen Content Management System) video podcast version Before starting please read the following instructions:
Update : 2024-05-19 Size : 8514560 Publisher : 朱方佺

OtherSK202
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主要特性: ☆智能学习,无需编码 ☆兼容市面大多数固定码编码芯片:如PT2262、SC2262、EV1527等 ☆自动适应发射端振荡电阻 ☆集互锁、自锁、点动三种功能一体,代替PT2272系列:L4、M4、T4,通过跳线选择 ☆支持4位数据码的输出,并且有VT输出 ☆内置存储器,更安全更可靠 ☆内置高精度振荡器,不需外接晶振 ☆支持1-20组地址码的学习存储 ☆宽工作电压:3.6-5.5V ☆低工作电流:<5mA ☆提供SOP14L封装 -Key Features: ☆ intelligent learning, without coding ☆ compatible with the market most of the fixed encoder chip: If PT2262, SC2262, EV1527, etc. ☆ automatically adapt to the transmitter oscillation resistor ☆ Set interlocking, self-locking, jog three functions one, instead of PT2272 Series: L4, M4, T4, jumper selectable ☆ supports four data code output, and there VT output ☆ Built-in memory, safer and more reliable ☆ Built-in high-precision oscillator, no external crystal ☆ Support 1-20 group address code learning memory ☆ Wide operating voltage :3.6-5 .5 V ☆ Low Operating Current: < 5mA ☆ provided SOP14L Package
Update : 2024-05-19 Size : 598016 Publisher : 李日辉

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晴天的授权方式很独特,下面我说下方法,大家先记下算法, a=67 b=68 c=69 d=70 e=71 f=72 g=73 h=74 i=75 j=76 k=77 l=78 m=79 n=80 o=81 p=82 q=83 r=84 s=85 t=86 u=87 v=88 w=89 x=90 y=91 z=92 0=01 1=02 2=03 3=04 4=05 5=06 6=07 7=08 8=09 9=00,晴天授权方法,把你域名里的.去掉,如你的是8ry.cn那么就是8rycn晴天的是从后面网前算得,也就相当于ncyr8,得出来的授权码就是8069918409 二、修改程序法 方法很简单,打开\inc\shw.inc可以直接用记事本直接打开,然后搜索if qingtian.ul=UnEnco(name) then把这段修改成if qingtian.ul<>UnEnco(name) then 就这样破解了...然后访问首页,授权码随便填都可以!-License sunny very unique, here I am referring to the next method, we write down the algorithm, a = 67 b = 68 c = 69 d = 70 e = 71 f = 72 g = 73 h = 74 i = 75 j = 76 k = 77 l = 78 m = 79 n = 80 o = 81 p = 82 q = 83 r = 84 s = 85 t = 86 u = 87 v = 88 w = 89 x = 90 y = 91 z = 92 0 = 01 1 = 022 = 033 = 044 = 055 = 066 = 077 = 088 = 099 = 00, sunny authorization method, put your domain name in the. removed, so if you are 8ry.cn is 8rycn sunny day is considered from behind the net, it is equivalent to ncyr8, get out of the authorization code is 8069918409 Second, modify the program method is very simple, open \ inc \ shw.inc can directly open with Notepad, and then search if qingtian . ul = UnEnco (name) then put this modified if qingtian.ul < > UnEnco (name) then break ... so then visit the home page, you can easily fill an authorization code!
Update : 2024-05-19 Size : 11930624 Publisher : 刘鹏

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安装说明 1 配置好环境 sql2000 +iis6 2 运行一次注册(更新)组件命令.bat (免) 3 运行注册(认证)组件命令.bat (免) 4 把数据库文件还原到数据库里记录下 数据库名 密码等 5 把数据库信息写入Global.asa文件 6 IIS里设置好前后台网站 即可 ------------------------------- 自动开奖网页本身不能设置随机启动,该怎么办呢,一个很简单的方法就是: 把要随机启动的网页快捷方式放到 比如 http://www.dosoho.net/v/winauto.asp 在浏览器窗口打开,并创建一个快捷方式 C:\Documents and Settings\All Users\「开始」菜单\程序\启动 这样在开始菜单中的“启动”里面就可以看到这个快捷方式了,以后开机的时候就会自动加载该程序 ------------------------------- 以下软件选择安装 发邮件组件 http://www.pany.net.cn/download/lottery/JMail44_free.rar 服务器时间校准器 http://www.pany.net.cn/download/lottery/time.rar -Installation Instructions 1 configured environment sql2000+iis6 2 run a registration (update) component command. Bat (Free) 3 Operating registration (certification) component command. Bat (Free) 4 restore database files to the database record database name, password etc 5 The database information is written in Global.asa file 6 IIS Web site can be set up around Taiwan------------------------------- Automatic lottery random start page itself can not be set, how to do it, is a very simple way: the random start page to put a shortcut in the browser such as http://www.dosoho.net/v/winauto.asp window opens, and create a shortcut to C: \ Documents and Settings \ All Users \ " Start" menu \ programs \ startup so in the Start menu " Start" which you can see the shortcut, and later when the boot The program will automatically load------------------------------- choose to install the following software components http://www.pany mail .net.cn/download/lottery/JMail44_free.rar se
Update : 2024-05-19 Size : 11870208 Publisher : 姓名

生成以向量V=[1,2,3,4,5,6]为基础的范得蒙矩阵,按列进行差分运算-Van der Mongolia matrix generated
Update : 2024-05-19 Size : 2048 Publisher : 董军卫

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MATLAB Course Adriana Hera puting Communications Center Computing & Communications Center 1 . V ariables, Operators 2.Matrices 3.Matlab Functions 4.Relational operators & Loops (Flow Control) 5.Scripts 6 U D fi d F ti 6 . U ser D e fined F unc tions 7.Visualization 8. Curve fitting: Poly nomial curve fittin g gy g 9. Interpolation 10.Publishing a script to HTML-MATLAB Course Adriana Hera puting Communications Center Computing & Communications Center 1 . V ariables, Operators 2.Matrices 3.Matlab Functions 4.Relational operators & Loops (Flow Control) 5.Scripts 6 U D fi d F ti 6 . U ser D e fined F unc tions 7.Visualization 8. Curve fitting: Poly nomial curve fittin g gy g 9. Interpolation 10.Publishing a script to HTML
Update : 2024-05-19 Size : 474112 Publisher : jacobjacobjacob17

图的遍历: (1)访问初始顶点v并标记顶点v已访问。 (2)查找顶点v的第一个邻接顶点w。 (3)若顶点v的邻接顶点w存在,则继续执行;否则回溯到v,再找v的另外一个未访问过的邻接点。 (4)若顶点w尚未被访问,则访问顶点w并标记顶点w为已访问。 (5)继续查找顶点w的下一个邻接顶点wi,如果v取值wi转到步骤(3)。直到连通图中所有顶点全部访问过为止。 (1)顶点v入队列。 (2)当队列非空时则继续执行,否则算法结束。 (3)出队列取得队头顶点v;访问顶点v并标记顶点v已被访问。 (4)查找顶点v的第一个邻接顶点col。 (5)若v的邻接顶点col未被访问过的,则col入队列。 (6)继续查找顶点v的另一个新的邻接顶点col,转到步骤(5)。直到顶点v的所有未被访问过的邻接点处理完。转到步骤(2)。-Graph traversal: (1) Access the initial vertex v and marked vertex v visited. (2) Find the first vertex v adjacent vertices w. (3) If the vertex v of adjacent vertices w exist, continue otherwise go back to v, v to find another one unvisited neighbor. (4) If the vertex w has not been accessed, the access vertices w and marked as visited vertex w. (5) continues to find the next vertex adjacent vertices w wi, wi If v is the value to the step (3). Until all connected graphs all vertices visited so far. (A) vertex v into the queue. (2) When the queue is not empty, then continue, otherwise the algorithm terminates. (3) the head of the queue to obtain team points v visit vertex v and marked vertex v has been visited. (4) Find the first vertex v adjacent vertices col. (5) If v is adjacent vertices col unvisited, then col into the queue. (6) continue to find another new vertex v adjacent vertices col, go to step (5). Until all vertices v adjacent unvisited point processed. G
Update : 2024-05-19 Size : 2048 Publisher : ck

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1、 凯撒密码是一种古老的对称加密体制,它的基本思想是:通过把字母移动一定的位数来实现加密和解密。例如,如果密匙是把明文字母的位数向后移动三位,那么明文字母A就变成了密文的D,依次类推,得到明文字符集与密文字符集如下: 明码表:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z密码表:D E F G H I J K L M N O P Q R S T U V W X Y Z A B C 由此可见,位数就是凯撒密码加密和解密的密钥。 已知向后移动位数k=3,请编写程序对密文 “JRRG OXFN”进行解密。2、热爱运动的小明每天进行体育锻炼,他连续三天跑步,之后的三天打篮球,假设他从2007年1月1日开始跑步,问2013年4月23日他进行的运动是跑步还是打球? 3、A是个“杀人不眨眼”的杀手,他早已构思好他的杀人计划:(1)n个人(包括A)坐成一圈,按顺时针编号 1 2 3 4 ... ...(2)A从1号开始顺时针开始数到第m号就杀掉第一个人(3)如果第m个人恰好是A自己,他就杀掉他顺时针方向的下一个人(4)A从被杀的人的下一个顺时针数m个人,把第m个杀掉。(5)重复上述过程,直至杀掉所有人。现在,你的任务是活到最后,与“杀人不睁眼”的A对决,成为最后的英雄。n,m,A的编号由参赛选手自己输入,程序运行输出自己的编号。-1、Encryption and decryption 2、Computing time 3、Clockwise murder
Update : 2024-05-19 Size : 1024 Publisher : Ivy

SCMrun-LED
DL : 0
旋转LED平面字体测试程序 用单片机的串行口发送数据给3个595 并行驱动LED 采用无线供电方式以及性能较好的RF370电机,在5V供电下 显示的效果非常好.电机速度也够快 够安静. 只为简单的理解显示的原理,利用人眼视觉暂存,用电机旋转做列扫描, 每送一列数据延时 再送下一列数据,原理比较简单,跟点阵显示差不多。-Rotating LED flat font test program with single-chip microcomputer serial port to send data to the three 595 parallel drive leds Using wireless power supply way and better RF370 motor performance, under the 5 v power supply shows that the effect is very good. The motor speed is fast enough Quiet enough. Only simple show an understanding of the principle of using the human visual staging, made column scanning motor rotation, Each send a column data latency To send a list of data, principle is simple, similar to dot matrix display.
Update : 2024-05-19 Size : 43008 Publisher : 刚哥

matlabshri
DL : 0
Matlab Code for P-V Diagram for Gas Turbine Cycle : 1.LP Compression 2.Const. pressure Cooling 3.HP Compression 4.Const. Pressure Heat addition 5.Turbine Expansion-Matlab Code for P-V Diagram for Gas Turbine Cycle : 1.LP Compression 2.Const. pressure Cooling 3.HP Compression 4.Const. Pressure Heat addition 5.Turbine Expansion
Update : 2024-05-19 Size : 1024 Publisher : nitesh

坐标转换(四参数) [row col]=size(source) for i=1:row u(i)=source(i,2) v(i)=source(i,3) x(i)=source(i,4) y(i)=source(i,5) B(2*i-1,1)=1 B(2*i-1,2)=0 B(2*i-1,3)=u(i) B(2*i-1,4)=-v(i) B(2*i,1)=0 B(2*i,2)=1 B(2*i,3)=v(i) B(2*i,4)=u(i) L(2*i-1,1)=x(i) L(2*i,1)=y(i) end X=inv(B *B)*(B *L) Txy=[X(1) X(2)] xzjz(1,1)=X(3) xzjz(1,2)=-X(4) xzjz(2,1)=X(4) xzjz(2,2)=X(3) [row1 col1]=size(target) for i=1:row1 u1(i)=target(i,2) v1(i)=target(i,3) d=[u1(i) v1(i)] md=Txy+xzjz*d end end -Coordinate conversion: [row col]=size(source) for i=1:row u(i)=source(i,2) v(i)=source(i,3) x(i)=source(i,4) y(i)=source(i,5) B(2*i-1,1)=1 B(2*i-1,2)=0 B(2*i-1,3)=u(i) B(2*i-1,4)=-v(i) B(2*i,1)=0 B(2*i,2)=1 B(2*i,3)=v(i) B(2*i,4)=u(i) L(2*i-1,1)=x(i) L(2*i,1)=y(i) end X=inv(B *B)*(B *L) Txy=[X(1) X(2)] xzjz(1,1)=X(3) xzjz(1,2)=-X(4) xzjz(2,1)=X(4) xzjz(2,2)=X(3) [row1 col1]=size(target) for i=1:row1 u1(i)=target(i,2) v1(i)=target(i,3) d=[u1(i) v1(i)] md=Txy+xzjz*d end end
Update : 2024-05-19 Size : 102400 Publisher : 吴痕

DL : 0
AD5381:40通道、3 V/5 V单电源、12位电压输出DAC(中文版PDF, 852 KB)-AD5381: 40 Channel, 3 V/5 V single supply, 12-bit voltage output DAC (Chinese edition PDF, 852 KB)
Update : 2024-05-19 Size : 1405952 Publisher : 张艺兴

AD5551和AD5552是单身,14位串行输入电压 dac输出操作从一个5 V±10 供应。 AD5551和AD5552利用多功能3-wire接口 与SPI兼容,QSPI、导电带和DSP接口吗 标准。 这些dac提供14位的性能没有任何调整。 DAC输出无缓冲的,减少权力 消费和抵消错误提供的输出缓冲区。 与外部的AD5552运算放大器可以在双相操作 模式生成±VREF输出摆动。AD5552还 包括开尔文连接的引用和模拟 地面销减少布局灵敏度。为更高的精度 应用程序,请参阅16位dac AD5541,AD5542, 和AD5544。 AD5551和AD5552可用在一个包。-The AD5551 and AD5552 are single, 14-bit, serial input, voltage output DACs that operate a single 5 V ± 10 supply. The AD5551 and AD5552 utilize a versatile 3-wire interface that is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards. These DACs provide 14-bit performance without any adjustments. The DAC output is unbuffered, which reduces power consumption and offset errors contributed by an output buffer. With an external op amp the AD5552 can be operated in bipolar mode generating a ±VREF output swing. The AD5552 also includes Kelvin sense connections for the reference and analog ground pins to reduce layout sensitivity. For higher precision applications, please refer to 16-bit DACs AD5541, AD5542, and AD5544. The AD5551 and AD5552 are available in an SO package.
Update : 2024-05-19 Size : 190464 Publisher : Kevin
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