登录
首页 » c# » 动态验证码安全

动态验证码安全

于 2022-06-27 发布 文件大小:1.01 MB
0 89
下载积分: 2 下载次数: 1

代码说明:

C#中动态获取验证码的要求,在这里你可以看到要获取动态验证码的一些需求。一些必须要知道事项!!!

下载说明:请别用迅雷下载,失败请重下,重下不扣分!

发表评论

0 个回复

  • ofdm仿真
    OFDM即正交频分复用技术,多载波调制的一种。其主要思想是:将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分,信道均衡变得相对容易。(Orthogonal Frequency Division Multiplexing (OFDM) is a kind of multi-carrier modulation. The main idea is to divide the channel into several orthogonal sub-channels, convert high-speed data signals into parallel low-speed sub-data streams, and modulate them to transmit on each sub-channel. The signal bandwidth on each sub-channel is less than the correlation bandwidth of the channel, so it can be seen as flat fading on each sub-channel, which can eliminate inter-symbol interference. Moreover, since the bandwidth of each subchannel is only a small part of the original channel bandwidth, channel equalization becomes relatively easy.)
    2019-04-27 10:18:25下载
    积分:1
  • OLED
    说明:  基于MSP430的OLED开发程序,可显示字符及图片(OLED development program based on MSP430 can display characters and pictures)
    2020-06-17 23:40:02下载
    积分:1
  • Sliding-DFT---CodeWarrior-implementation
    The sliding DFT is a spectral analysis method based on the classical FFT, implemented over a subset of the N center frequencies of the N-point DFT. The sliding DFT (SDFT) algorithm performs an N-point DFT on time samples within a sliding-window.
    2015-02-26 03:52:56下载
    积分:1
  • WS2812B 驱动代码
    利用STC12系列单片机实现对WS2812B的控制  程序包含了WS2812B的驱动和灯光逻辑控制的代码  包括任意点亮任意颜色的LED、流水、跳跃、渐变、对冲等
    2022-08-14 09:27:30下载
    积分:1
  • This source is the C# Entry classic book, Chapter III of the source code
    此源码是《C#入门经典》一书第三章的源代码-This source is the C# Entry classic book, Chapter III of the source code
    2022-08-22 23:23:16下载
    积分:1
  • sort.cpp
    各种排序的模板实现,并分析了各种实现的时间复杂度及改进办法(Templates of various sort, and analyze the time complexity of the various implementations and ways to improve)
    2012-04-14 03:08:18下载
    积分:1
  • 2_Variable_Cohesion
    说明:  利用API实现颗粒粘结力随时间的线性变化,模拟颗粒间粘性力(API was used to realize the linear change of particle adhesion force with time, and the viscous force between particles was simulated)
    2020-11-18 13:18:25下载
    积分:1
  • C#cpu卡操作
    C#cpu卡操作代码。。。。。。。。。。。。。。。。。
    2022-07-18 10:41:44下载
    积分:1
  • STFFTtool
    对非平稳信号进行分段、截取,再对处理过后的短时信号做短时傅里叶变换,分析其频谱特性,并找到各个时间节点的频率特性,以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum characteristics and frequency characteristics and find the different time node, in order to analyze the acoustic characteristics of different event period.)
    2017-07-26 10:54:58下载
    积分:1
  • CUDA C编程权威指南_源码
    说明:  (全 全 全)CUDA C编程权威指南_源码(Programming Authoritative Guide_Source Code)
    2021-01-05 12:38:54下载
    积分:1
  • 696518资源总数
  • 105559会员总数
  • 1今日下载