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[File Format] newHD7279 DL : 0: #include <reg51.h> /*-------------------------------------------- 调用方式：自行I/O 口定义﹫2001/05/12 函数说明：私有函数，各接口定义 --------------------------------------------*/ sbit HD7279_CS=P1^4 // HD7279_CS--P1.4 sbit HD7279_CLK=P1^5 // HD7279_CLK-- P1.5 sbit HD7279_DATA=P1^6 // HD7279_DATA-- P1.2 sbit HD7279_KEY =P1^7 // HD7279_KEY-- P1.3 /*-------------------------------------------- 调用方式： HD7279A 各指令定义﹫2001/05/12 函数说明：私有函数，接口定义 --------------------------------------------* /#define HD7279_RESET 0xa4 //复位 #define HD7279_TEST 0xbf //测试 #define HD7279_RLC 0xa3 //循环左移 #define HD7279_RRC 0xa2 //循环右移 #define HD7279_RL 0xa1 //左移 #define HD7279_RR 0xa0 //右移 #define HD7279_DECODE0 0x80 //译码方式0 #define HD7279_DECODE1 0xc8 //译码方式1 -# Include <reg51.h> /*-------------------------------------------- call way: on their own I/O port function definition @ 2001/05/12 Description: private function, the interface definition--------------------------------------------*/ sbit HD7279_CS = P1 ^ 4// HD7279_CS- P1.4sbit HD7279_CLK = P1 ^ 5// HD7279_CLK- P1. 5sbit HD7279_DATA = P1 ^ 6// HD7279_DATA- P1.2sbit HD7279_KEY = P1 ^ 7// HD7279_KEY- P1.3 /*-------------------------------------------- way call: HD7279A the command function definition @ 2001/05/12 Description: private function, interface definitions--------------------------------------------*/# define HD7279_RESET 0xa4// reset# define HD7279_TEST 0xbf// test# define HD7279_RLC 0xa3// circle left# define HD7279_RRC 0xa2// cycle shifted to right# define HD7279_RL 0xa1// left# define HD7279_RR 0xa0// Move right# define HD7279_DECODE0 0x80// decoding means 0# define HD7279_DECODE1 0xc8// decoding mode 1
Date : 2025-12-16 Size : 4kb User : 徐亮
[File Format] A_barycenter_based_fast_thinning_algorithm DL : 0: 分析快速细化算法和 OPTA 细化算法不足产生的内在原因 ,提出一种新的基于重心的快速细化算法.该算法根据被细化图像的特点 ,用密度重心快速将纹线细化到 3 个像素宽度内 ,计算 4 邻域拓扑实现彻底细化.仿真结果表明 ,在细化效率方面 ,该算法一次遍历删除超过一半的大量冗余像素 ,是快速细化算法的 3～7 倍在细化要求方面 ,该算法可达到绝对单像素、光滑无毛刺 ,并能保持端点不被吞噬 ,能够很好地满足图像细化的要求. -The int rinsic origin of deficiencies in both t he fast t hinning algorit hm ( F TA) and one2pass t hinning algorithm (OPTA) was analyzed , and a barycenter based fast t hinning algorit hm was presented. According to t he image’ s feat ure to be fined , the veins of t he image were fined to be of t hree pixel in widt h by using density barycenter and t hen t he 42neighborhood topology was comp uted to make complete t hinning. Simulation result showed t hat , in connection wit h t he t hinning efficiency , t he proposed algo2 rit hm exhibited so perfect ly that a great amount (more t han a half ) of redundant pixel s was eliminated af2 ter single overall checking , being 3 to 7 times faster t han t hat wit h fast t hinning algorit hm. As to t he re2 quirement of t hinning , this algorithm could implement absolute single2pixel t hinning wit hout blurred edges and keep the ends un2swallowed , so that t he requirement of image t hinning was well met .
Date : 2025-12-16 Size : 531kb User : xiaofang
[File Format] AD7799PDF DL : 1: AD7799/AD7798 特性： RMS 噪声（有效值噪声）：在 4.13HZ 转换率下紧为 27nV(AD7799). 在 16.7HZ 转换率下为 65Nv. · 低功耗，典型为 300uA · 内置 1 一 128 增益的低噪声可编程仪表放大器 · 内置时钟振荡器，省去了外接晶振 · 低非线性度:0.0015 · 内设自校准电路 · 带有 SPI 数据接口，可以方便地与 DPS 或者 MCU 连接 · 50 H z 和 06Hz 同步陷波，消除 05Hz 和 06Hz 电源干扰 · 可配置 3 个差分输人通道 · 21 位有效分辨率(PGA=1)，19BIST (PGA=128 工作电源范围 2.7V----5.5V，-40 ° C 至 105 ° C 的温度范围，独立供电接口； 16 脚的 TSSOP 封装。应用电子磅秤压力测量应变传感器血气分析工业过程控制仪器仪表便携式仪表血液分析智能-AD7799/AD7798 features: RMS noise (rms noise): in 4.13HZ conversion rates under tight 27nV (AD7799). In 16.7HZ conversion rate for 65Nv. Low power consumption, typical 300uA built-in 1 128 gain low-noise programmable instrumentation amplifier built-in clock oscillator, eliminating the need for an external crystal oscillator Low Nonlinearity: 0.0015 equipped with self-calibration circuitry with SPI data interface, you can easily and DPS or MCU connection 50 H z and 06Hz synchronization notch to eliminate 05Hz and 06Hz power interference 3 differential input channels can be configured 21 effective resolution (PGA = 1), 19BIST (PGA = 128 working power range 2.7V---- 5.5V, a temperature range of-40 C to 105 C, independent power supply interface 16-pin TSSOP package. electronic scales pressure measuring strain sensor blood gas analysis, industrial process control instrumentation portable instrument blood analytic intelligence
Date : 2025-12-16 Size : 596kb User : zanjiangfeng
[File Format] BNUTBDJNBOOFR DL : 0: 【程序29】题目：给一个不多于5位的正整数，要求：一、求它是几位数，二、逆序打印出各位数字。 1. 程序分析：学会分解出每一位数，如下解释：(这里是一种简单的算法，师专数002班赵鑫提供) 2.程序源代码：复制代码代码如下: #include stdio.h #include conio.h main( ) { long a,b,c,d,e,x scanf( ld ,&x) a=x/10000 分解出万位 b=x 10000/1000 分解出千位 c=x 1000/100 分解出百位 d=x 100/10 分解出十位 e=x 10 分解出个位 if (a!=0) printf( there are 5, ld ld ld ld ld\n ,e,d,c,b,a) else if (b!=0) printf( there are 4, ld ld ld ld\n ,e,d,c,b) else if (c!=0) printf( there are 3, ld ld ld\n ,e,d,c) else if (d!=0) printf( there are 2, ld ld\n ,e,d) else if (e!=0) printf( there are 1, ld\n ,e) getch() } -Topic: no more than five to one positive integer requirements: First, find it is several orders, two, reverse print out the digits. 1. Program analysis: the decomposition of each digit Society 2. Source Code: Code is as follows: #include stdio.h #include conio.h main () { long a, b, c, d, e, x scanf ( ld , & x) a = x/10000 break out ten thousand* / b = x 10000/1000 break out one thousand* / c = x 1000/100 break out one hundred* / d = x 100/10 break out ten* / e = x 10 break out bits* / if (! a = 0) printf ( there are 5, ld ld ld ld ld \ n , e, d, c, b, a) else if (! b = 0) printf ( there are 4, ld ld ld ld \ n , e, d, c, b) else if (! c = 0) printf ( there are 3, ld ld ld \ n , e, d, c) else if (! d = 0) printf ( there are 2, ld ld \ n , e, d)
Date : 2025-12-16 Size : 3kb User : 张欣欣