High speed bert which has been used in bit error rate test in the synthe - sizing and processing terminal system of the earth station has acquired a good effect 高速误码率测试仪已经用于地面站综合处理终端系统的误码检测中,并已取得良好效果。
Their system constructures and bit error rates are analysised we can point out that 2 - d and 3 - d ocdma system will become an important developing direction 指出多维ocdma系统是今后的一个重要发展方向。第三章首先对双极性序列的性质进行讨论和研究。
The system can transmit data one - way over a distance of up to 1 kilometer at a bit - rate of 10 kbps in shallow water , and the bit error rate was less than 5 percents 系统能够在浅海环境下,远到1km的距离上以10kbps的数据率单向传输数据,其误比特率小于5 。
Just like the theoretical analyses , results demonstrate that the two codes can correct nine errors and eighteen errors respectively . the bit error rates have been improved correspondingly 结果表明纠错能力符合理论要求,分别可以达到纠9个和18个错误,并且误码率也得到改善。
The simulation results also tell us the bit error rate ( ber ) of lll detection deceased much faster than the other two detection algorithms with the increasment of signal to noise ratio ( snr ) 随着信噪比的增加,格约简辅助检测算法的误码率曲线下降速度明显增快,且优于其它两种算法。
In order to enhance anti - electromagnetic interference and decrease bit error rate , on the design of military transceiver it ’ s very important to use the optimize project 在某战术电台的研制过程中,为提高电台抗干扰能力,减少数据传输的误码率,对电台解调dsp单元模块的优化设计就显得尤为重要。
Through secrecy communication contrast the time series with disperse in the hyperchaotic system ; more discuss its some problem such as modulation and demodulation , anti - jamming and bit error rate 通过时间连续与离散的超混沌保密通信对比,进一步讨论超混沌通信过程中的调制解调、杭干扰和误码率问题。
The results reveal that the ocdma systems with fbgs based encoder / decoder are not only easy to plan , but also have large number of simultaneous users , high power efficiency and low bit error rate ( b er ) 结果表明,基于fbg编解码器的ocdma系统具有设计简单、用户容量大、功率效率高和误码率( ber )低等方面的优点。
We discuss the bit error rate of the convolutional code , turbo code encoder and decoder theory as well as the performance in awgn channel and rician channel , and present the result of simulation 讨论了rs与卷积码级联的误码率问题, turbo码的编译码原理及其在awgn信道和rician信道中的性能,并给出了相应的仿真结果。
Simulation results show that the interleaver compromises the advantages and the disadvantages of block interleaver and semi - random interleaver , which decreases the bit error rate of turbo codes of long data frame 仿真结果表明,其折衷了分组交织器和半随机交织器的优缺点,降低了turbo码在长数据帧情况下的误码率。
In digital transmission, the number of bit errors is the number of received bits of a data stream over a communication channel that have been altered due to noise, interference, distortion or bit synchronization errors.