As an example using sine wave , the effect of vibration amplitude and frequency and time on bit error rate is researched 以振动谱中典型的正弦谐波为例,推导了振幅、频率和时间对误码率的影响。
In the channel decoding part , viterbi algorithm and de - interleaving are realized to decrease bit error rate and increase transmission efficiency 这些都在一定程度上降低了信道的误码率,提高了的信道的传输效率。
Analysis performance expressions of the bit error rates are derived , and logsitic map with zero mean is used for chaos generation in simulation 推导该方案的理论误码性能,以零均值logistic混沌映射为例进行仿真实验。
Firstly , how to choose spreading factor of non - coherent dcsk system that minimizes the bit error rate for a given eb / n 0 is discussed in this paper 文中首先讨论了非相干dcsk系统在给定eb / n0下,如何选择扩频系数使其误码率最低问题。
When transmitting signal is below 500 kbps , increasing the system power can reduce the bit error rate ( ber ) for the signal suffering only flat fading 当码速率较低时( 500kbps以下) ,信号受到平坦衰落,增大系统功率可以降低系统误码率。