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- 在20世纪70年代初期夏威夷大学首次试验成功随机接入。这是为了使地理上分散的用户通过无线电来使用中心计算机。由于无线电信道是一个公用信道，一个站发送的信息可以同时被多个站收到，而每个站又是随机发送的，因此这种系统是一个随机接入系统。夏威夷大学早期研制的系统称为ALOHA，是Additive Link On-line HAwaii system的缩写，而ALOHA恰好又是夏威夷方言的“你好”。下面先介绍纯ALOHA。-70 in the 20th century, the University o
cmac
- Additive ciphers are elumnerable to cipher text only attacks using exhaustive key searches (brute force attacks). The key domain of the additive cipher is very small,they are only 26 keys. However only 26 combinations.We have to search that is way at
MainProject
- encryption codes for ( additive , affine , autokey ,multiplicative ,playfair , vigenere)
APSK-modulation-in-AWGN-channel
- 通过matlab仿真工具仿真分析了APSK调制方式在典型的加性高斯白噪声下的传输性能-Through simulation matlab simulation tool analyzes APSK modulation in a typical additive white Gaussian noise transmission performance
signal
- 利用matlab对一些现有信号进行处理，包括加噪声滤波等一系列操作。-The use of MATLAB for some of the existing signal processing such as additive noise, filtering and a series of operations.
10.1109@iciiecs.2015.7193037final3
- The multiplication kP is obtained by doing the elliptic curve addition operation k times by following the same additive rules