针对这一问题，该文提出了一种基于功率效率最优的联合子载波功率分配算法。
To deal with this problem, in this paper, a novel joint power and subcarrier allocation scheme in uplink OFDMA systems is proposed based on game theory.
接着通过比特取整过程以及部分子载波功率和比特调整过程，实现系统资源的合理分配。
Finally, with the bit integer conversion process and the partial sub-channel's power and bit adjusting process, the system resource allocation is finished.
基于人工神经网络(ANN)理论，提出一种利用ANN来模拟信号传播延迟、载波相位、信号功率等参量的方法。
Based on the theory of Artificial Neural Network (ANN), an approach to simulate signal propagation delay, carrier phase, power, and other parameters using ANN is proposed.
采用了最大平均功率定时同步算法和最大似然载波相位估计算法。
The maximum mean power estimation timing recovery algorithm and the maximum-likelihood carrier phase estimation algorithm are employed.
大的峰值会使功率放大器饱和，在子载波间产生交调干扰和导致能量的带外弥散。
These large peaks cause saturation in power amplifiers, leading to intermodulation products among the subcarriers and disturbing out of band energy.
模拟结果表明，该方法比一般的载波干扰比功率控制方法性能更优，可获得更低的误码率和更高的信道容量。
Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.
针对MC - CD MA系统的上行链路提出了一种自适应子载波和功率分配算法。
Finally, an adaptive subchannel and power allocation scheme for MC-CDMA system is proposed.
多载波信号的峰值平均功率比远远大于单载波系统，而且峰平比随着子载波个数无限增长。
The ratio of peak and average power in multi carrier system is much larger than that in single carrier system, and may grow unboundedly as the number of subcarriers grows to infinity.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
随后为降低求解该优化问题的复杂度，提出两步次优算法，将问题分解为子载波分配和功率分配。
Then, to reduce the complexity, we propose a two-step suboptimal algorithm that separates subcarrier and power allocation.
测距作为上行链路调整时间偏置、功率信息和载波频率的一种方法，对系统起了很大的作用。
As a method of the adjustment of time offset, power information and carrier frequency offset in the uplink, ranging plays an important role in the system.
本文主要研究了多载波相位编码(MCPC)脉冲信号，以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
对于非实时用户，按照数据率比例公平的要求，子载波和功率分配分离进行。
Subcarrier and power allocation is performed separately for non-real time users with the proportional rate constraints.
该文研究宽带OFDM中继系统的最优中继子载波对选择和功率分配。
In this paper, subcarrier pair selection and power allocation in broadband OFDM relaying system is addressed.
针对多重化的背靠背四象限变流器，采用了载波移相控制与改进的SPWM调制相结合的方法，减小了电流谐波，提高了功率交换能力。
For multiple back-to-back four-quadrant converter, a modified SPWM technique is combined with carrier phase-shifting control, which reduces current harmonic and enhances power exchange ability.
然而，由于较高的载波频率，开关较多从而在每个周期不增加功率损耗。
However, a higher carrier frequency does result in a larger number of switchings per cycle and hence in an increased power loss.
第三，对采用不同调制格式（包括幅移键控和二进制相移键控）的光副载波复用（OSCM）系统中，PMD引起的功率代价进行了量化。
Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing (OSCM) system with amplitude shift keying (ASK) and binary phase shift keying (BPSK).
然后，运用凸优化技术分析了该资源分配问题，并基于拉格朗日对偶法给出了一种子载波和功率最优分配算法。
Then, by use of multiple carrier system's frequency-sharing property and convex optimization, a subcarrier and power optimal allocation algorithm is proposed based on Lagrangian duality theory.
算法使用分组代替迭代计算，摒弃复杂的子载波交换操作，以极低的复杂度实现了等功率下的自适应子载波分配和比特加载。
The algorithm, which involves adaptive sub-carrier allocation and bit loading with equally power allocation, adopts a grouping technique rather than the sub-carrier swapping.
该表达式与器件静特性、功率因数、调制度及负载电流有关，利用其计算不同载波调制下通态损耗时只需改动导通占空比。
The results clearly show conduction losses are the function of semiconductor static characteristic, power factor, modulation depth and load current.
介绍了BCCH载波与TCH载波的频率配置、信号衰落算法、干扰原理、动态功率控制的调节思路，以及提高网络质量，改善小区登陆与切换性能的措施。
I introduce the frequency allocation between BCCH carrier frequency and TCH, signal fading arithmetic, interference theory and the adjusting thinking of dynamic power control.
一定的传输距离和发射光功率情况下，不同的子载波数存在一个最佳的光调制指数，使得系统载噪比最大；
Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.
本文提出一种线性化射频多载波高功率放大器的自适应射频预失真器。
This paper presents an adaptive RF predistorter to linearize multi-carriers power amplifiers.
提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。
A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.
未调制载波首先传送到遮罩中心和顶部，与相应发射机的输出功率相适应。
The unmodulated carrier first transmits at the center of the mask, and the top of the mask adjusts to correspond with the output power of the transmitter.
通过对信道状态信息进行判断，利用贪婪算法将用户子载波分配的比特取整，以实现系统功率最小化。
Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.
介绍了一种利用对称功率谱、基于DFLL改进结构的载波捕获新方法。
This paper introduces a new approach based on DFLL structure, which makes use of symmetrical spectrum for carrier acquisition.
介绍了一种利用对称功率谱、基于DFLL改进结构的载波捕获新方法。
This paper introduces a new approach based on DFLL structure, which makes use of symmetrical spectrum for carrier acquisition.
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