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qt4-Cplusplus
使用qt-c++來做為gui應用的教學檔，包含建立環境與第一次的Project建立(Use qt c++ to do the teaching file for gui applications, including the establishment of the environment and the establishment of the first Project)
- 2010-03-07 09:29:53下载
- 积分：1
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nannvshengshibie
本文通过对男性和女性声音的语音特征的研究，发现男女声的基音频率存在较大的差异，并设计了基于基音频率分析的男女声识别系统。男女声识别系统由以下三个模块电路构成：话筒放大器，低通滤波器，半波整流电路，单片机测量控制模块。话筒放大器采用NE5532P音前置芯片，对语音信号进行放大；八阶低通滤波器MAX293完成基音信号的提取；单片机STC12C5410AD实现频率测量和控制输出功能。经仿真与电路实测，男女声的识别效果良好。(In this paper, the voices of male and female voice characteristics of the findings of a study of the fundamental frequency of the sound of men and women there is a big difference, and the design of frequency analysis based on the pitch of the voice recognition system for men and women. Voice Recognition System for men and women from the circuit the following three modules: the microphone amplifier, low-pass filter, half-wave rectifier circuit, single-chip measurement control module. NE5532P sound using the microphone pre-amplifier chip amplification of voice signals eight MAX293-order low-pass filter to complete the extraction of pitch signal STC12C5410AD single-chip realization of the frequency of measurement and control output. By circuit simulation and measurement, the identification of male and female voices well.)
- 2009-04-12 16:23:04下载
- 积分：1
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20以内看图列算式
说明： calculate the result, more execises and more experience.
- 2020-06-23 13:40:02下载
- 积分：1
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2379210752itti_attention
经典的视觉显著性检测的论文，在网站可以找到对应的源码。很有参考价值(The classic visual detection of significant papers on the website can be found in the corresponding source code. Of great reference value)
- 2010-01-19 21:48:16下载
- 积分：1
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NSforSimulate
Ns于网络模拟，涵盖了网络模拟的基本研究方法，NS软件的基础知识和使用方法技巧(for NS network simulation)
- 2009-05-06 14:34:09下载
- 积分：1
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3D-GISbook
三维GIS的一些资料 包括电子书籍(Some three-dimensional GIS information including e-books)
- 2009-01-10 09:56:12下载
- 积分：1
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ISD1700_51.pdf1
说明： 功能： 1700 芯片SPI 工作模式下放音、录音、擦除等功能的编程示例 *
* 硬件电路：参考中青世纪ISD1700-89c51 实验开发板电路(Functions: 1700 Chip SPI mode of devolution of sound, sound recordings, and other functions to erase the programming examples** hardware circuits: Reference Zhongqing ISD1700-89c51 century experimental development board circuit)
- 2009-08-22 20:52:54下载
- 积分：1
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QT4
QT4的中文参考手册，chm格式的，从实例讲，简明易懂(QT4 Chinese reference manual, chm format, from the examples of speaking, concise and understandable)
- 2020-07-16 20:48:49下载
- 积分：1
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Topology_Control_in_Wireless_Ad-Hoc_and_Sensor_Net
一本讲解在无线传感器网络中如何进行拓扑控制的书籍，老外写的，wiley出版社的产品，对研究WSN的人应该很有帮助(Explain in a wireless sensor network topology control in how the books written by foreigners, wiley publishing products, the study should be helpful in WSN)
- 2008-04-07 18:55:45下载
- 积分：1
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weixiu
关于计算机维修的心得，写上来看，不容易啊。对维修很有指导作用(maintenance on the computer experience, to write, Burongyia. Useful guide to the maintenance role)
- 2007-01-19 18:31:38下载
- 积分：1
