然后，符号将会映射到副载波，并且经由天线传送。
Symbols are then mapped to subcarriers and transmitted via antennas.
文中给出了AOFDM中的平均每个子载波上一个符号能传送的比特数及误比特率与调制方式切换门限之间的函数关系式。
The close forms of the number of bits that per-sub-carrier-symbol can transmit and the Bit-Error-Probability (ber) are given as the functions of the switching thresholds.
介绍了二维条码符号表示及纠错码生成，给出二维条码用于信息隐藏技术的方法和途径，实现了用PDF417码传送信息，使通信信息更安全。
Methods that 2D-bar code uses in information hiding technology are given and translating information by PDF417 code is realized to make communication information more security.
介绍了二维条码符号表示及纠错码生成，给出二维条码用于信息隐藏技术的方法和途径，实现了用PDF417码传送信息，使通信信息更安全。
Methods that 2D-bar code uses in information hiding technology are given and translating information by PDF417 code is realized to make communication information more security.
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