In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level is proposed.
本文研究了通过改变符号率及调制电平的方法实现的自适应调制系统。
Finally, the simulation results show that the adaptive modulation system can theoretically achieve high throughput performance, and low transmission outage probability under certain conditions.
仿真结果表明，自适应调制系统可以获得较高的数据吞吐量，而其传输中断率在一定条件下可以保持较低的水平。
When the adaptive modulation is applied in the OFDM system, there are lots of problems to be solved.
本文围绕自适应调制技术在OFDM系统中的应用涉及的技术问题展开研究。
The paper discusses and probes into the application of adaptive control in mine hoist direct-current velocity modulation system.
本文对自适应控制在矿井提升机直流调速系统中的应用进行了研究和探讨。
The robust adaptive control law is proposed for a HVDC power modulation controller of the interconnected AC/DC power system.
设计了应用于交直流互联电力系统的直流功率调制的非线性鲁棒自适应控制器。
Finally, this dissertation proposes a low complexity adaptive modulation scheme for VBLAST-OFDM system.
最后，提出了一种低复杂度的VBLAST - OFDM系统自适应调制方案。
From this point, M-ary Quadrature Amplitude modulation (MQAM), MultiCarrier modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
从这一点出发，多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。
Adaptive modulation can improve the system performance with high spectral efficiency.
自适应调制能提高系统的频谱利用率和改善系统的误码率性能。
As to the simple monitoring environment of single user, this paper mainly analyzed and implemented adaptive modulation in MB-OFDM-UWB system.
针对简单的单用户监测情况，分析并实现了单用户MB - OFDM - UW B自适应调制系统。
This article mainly investigated the link adaptation schemes of LTE system based on this simulation platform, and simulated adaptive modulation and coding (AMC) and Hybrid ARQ schemes in the platform.
在此基础上，本文重点研究了LTE中的链路自适应方案，对自适应调制编码（AMC）技术以及混合ARQ算法进行了系统仿真。
The response speed of the micro deformable mirrors is rapid, which can meet the needs the of the real time modulation of the adaptive optical system.
微变形镜的响应速度快，能够很好地满足自适应光学实时动态校正的要求。
Furthermore, it proposes a solution on adaptive coded modulation system using the hybrid position location technology, which can improve the exploitation of systems.
并提出了一种基于联合定位技术的自适应编码调制传输方案，该方案可有效提高系统资源的综合利用率。
Furthermore, it proposes a solution on adaptive coded modulation system using the hybrid position location technology, which can improve the exploitation of systems.
并提出了一种基于联合定位技术的自适应编码调制传输方案，该方案可有效提高系统资源的综合利用率。
应用推荐