| 1. | Complementary codes ( cc ) and complete complementary codes ( ccc ) have excellent orthogonality and correlation properties 互补码具有良好的相关特性和正交特性;即使在异步模式下,这些特性仍能保持。 |
| 2. | This thesis mainly investigates a novel cdma system based on orthogonal complete complementary codes ( ccc ) , i . e . ccc - cdma system 本文主要研究一种新型的基于完全互补码的cdma系统,即ccc - cdma系统。 |
| 3. | The ber performance of std - cdma communication system in awgn and the performance parameters of the system are also derived 论文还从理论上推导了基于完全互补码的串行时分cdma通信系统在awgn信道下的误码率,并计算了相关性能参数。 |
| 4. | Frame synchronization , acquisition and tracking of cc - codes are simulated . . continual special code insertion method is used in the simulation of frame synchronization 分别对帧同步、完全互补码的捕获、扩频码序列的跟踪进行了仿真研究。 |
| 5. | First , after detailed analysis of the std - cdma communication system based on cc - codes , the ber performance is simulated by using systemview software 首先,论文对基于完全互补码的串行时分cdma通信系统进行了详细分析,并采用systemview仿真软件进行了性能仿真。 |
| 6. | In view of the error diffusion in ccc - cdma , the multipath diversity algorithm is put forwards . the simulations show that the multipath diversity gain attains as much as l0db 指出了基于完全互补码扩频的多载波宽带cdma系统中存在的一些问题,以及今后的努力方向。 |
| 7. | Second , the ber performance for pmc - cdma communication system is simulated , and the performance parameters of pmc - cdma communication system are derived 其次,论文对基于完全互补码的并行多载波cdma通信系统性能进行了仿真研究,并推导了并行多载波cdma通信系统性能参数。 |
| 8. | The parallel scheme based on sliding correlation method is proposed in the simulation of acquisition . baseband fully time delay - locked pn code tracking loops are employed in tracking simulation 在对完全互补码捕获的仿真中,本文提出了基于滑动相关法的并行捕获实现方案。 |
| 9. | The obtained ber performance of the system proposed in this paper is compared to that of conventional cdma systems using gold codes and m - sequences under awgn environments 论文还比较了基于完全互补码的cdma通信系统和采用m序列及gold序列的传统cdma通信系统在awgn信道下的误码率性能。 |
| 10. | This thesis focuses on the performance of complete complementary keying modulation and multi - carrier cdma architecture based on complete complementary codes ( ccc - cdma ) 本文主要研究了基于互补码扩频的cck调制性能和基于完全互补码扩频的多载波cdma系统性能,主要工作可以分为以下几个部分。 |