例句與用法

1. then, analytical expressions of the bit error rates are derived under rayleigh fading model and multi-path rayleigh fading channel model . analytical and simulation results are compared . the multi-path performance of the non-coherent dcsk system is also compared with that of the coherent csk system
   接著對非相干dcsk系統(tǒng)在瑞利衰落及多徑瑞利衰落信道下進(jìn)行性能分析,通過仿真實(shí)驗(yàn)來驗(yàn)證理論分析結(jié)果,并與相干csk系統(tǒng)的抗多徑衰落性能比較。
2. secondly, we analyse the anti-jamming performance of coherent csk system and non-coherent dcsk system under a narrowband sine wave jamming, and analyse the performance of chaotic communication system under coexisting with a conventional spread spectrum communication system, such as direct-sequence spread spectrum ( ds-ss ) system
   其次,詳細(xì)分析了相干csk系統(tǒng)和非相干dcsk系統(tǒng)的抗窄帶正弦干擾能力,以及與傳統(tǒng)擴(kuò)頻通信系統(tǒng)(以ds-ss為例)共存時(shí),傳統(tǒng)擴(kuò)頻通信系統(tǒng)對它們的影響。