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A Campus GIS System .develop on the SuperMap,using the VC++ language.
用VC+SuperMap开发的校园GIS系统- A Campus GIS System .develop on the SuperMap,using the VC++ language.
- 2023-05-13 20:55:02下载
- 积分：1
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shashsshdjhtuytjndhgwhtuytjm,fierwhsbsdbsnn
杀伤神山圣湖是不是你遂宁市安顺市人事厅好事办实电脑。-shashsshdjhtuytjndhgwhtuytjm,fierwhsbsdbsnn
- 2022-03-26 02:53:06下载
- 积分：1
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可以实现一些高精度，超出CPU所能一次运算的数，实现任意数值长度的运算。...
可以实现一些高精度，超出CPU所能一次运算的数，实现任意数值长度的运算。-Can achieve a number of high-precision, beyond the CPU can be a number of operations, realization of arbitrary length numerical computing.
- 2022-03-13 14:15:55下载
- 积分：1
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Is mainly a brief introduction to use VC++ to achieve some of the functions, the...
主要是简单介绍一些利用VC++实现的功能，窗口风格，二进制文件等-Is mainly a brief introduction to use VC++ to achieve some of the functions, the window style, binary files, etc.
- 2022-01-25 20:01:15下载
- 积分：1
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觉得要是不好一定要告诉我啊~~谢谢~~~说明自己看,我也不知道怎么说...
觉得要是不好一定要告诉我啊~~谢谢~~~说明自己看,我也不知道怎么说-feel bad if I must tell ah ~ ~ ~ ~ ~ Thank you stated your view, I do not know how that
- 2023-06-21 00:05:03下载
- 积分：1
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2004memory.rar
2004memory.rar
- 2022-01-27 18:08:05下载
- 积分：1
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北大青鸟的java学习文档，一共有4份，这是第四份，希望对大家有帮助。...
北大青鸟的java学习文档，一共有4份，这是第四份，希望对大家有帮助。-Beida Jade Bird to learn the java files, a total of 4, this is the fourth, in the hope that everyone has to help.
- 2022-09-23 02:25:03下载
- 积分：1
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vga代码 希望能有用处 ( ⊙ o ⊙ )啊！
vga代码 希望能有用处 ( ⊙ o ⊙ )啊！-vga hope to have the use of code
- 2022-02-02 12:28:17下载
- 积分：1
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delphi写的一款不错的通讯录软件,适合初学者下载．
delphi写的一款不错的通讯录软件,适合初学者下载．-delphi write a good address book software, suitable for beginners to download.
- 2022-03-01 23:05:46下载
- 积分：1
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无线局域网仿真
WLAN仿真－发送机
wlan No Comments
设置完系统参数后，开始产生发送数据。
1. 产生随机的发送bit（tx_bits），这里不考虑信道编码。
2. QAM映射
3. 将数据映射到不同载波，形成OFDM符号
4. 产生pilot，并将pilot插入OFDM符号中
5. 加入dc和guard子载波
6. 进行ifft，将频域信号变到时域，并加入循环前缀
7. 对信号进行overlap window
8. 在时域产生short preamble
9. 在时域产生long preamble
10. 将preamble和数据符号组成packet
11. 升采样
得到信道传输的数据Tx_signal_up
具体程序见附件 wlan_transmitter.m-WLAN Simulation- wlan No Comments transmitter system parameters set finished, the beginning to have to send data. 1. Have sent random bit (tx_bits), here does not consider channel coding. 2. QAM mapping 3. The data is mapped to a different carrier to form OFDM symbols 4. Have a pilot, and pilot inserted OFDM symbols 5. Adding dc and guard subcarriers 6. To carry out ifft, will change the frequency domain signal to time domain, and add cyclic prefix 7. the signals overlap window8. In the time domain have a short preamble9. In the time domain have a long preamble10. the preamble and data symbols packet11. or sampling re
- 2022-03-17 11:21:25下载
- 积分：1
