ID |
原文 |
译文 |
22535 |
首先从理论上分析了系统和速率与信道状态反馈比特分配和功率分配之间的关系,得到了在动态反馈和功率分配条件下系统和速率的解析表达式; |
First, the relationship between system sum rate and the allocation for channel state feedback bits and transmitting power is analyzed theoretically, and the formula of sum rate of the system considering dynamic feedback and power allocation is derived. |
22536 |
在此基础上,以系统容量提升为目标,对反馈比特分配和功率分配优化问题进行建模; |
Based on the above analysis, the model of optimizing allocation for feedback bits and power problem is set to improve the throughput of system. |
22537 |
并根据信道的准静态特性利用库恩塔克条件(KKT)对该问题进行求解,得到功率和反馈比特分配方案。 |
Then, a low-complexity solution to the problem is raised on the basis of channel quasi-static characteristic, and the feedback bit and power allocation scheme are obtained by the Karush-Kuhn-Tucker (KKT) condition. |
22538 |
仿真结果表明,与单独考虑信道状态动态反馈条件下的干扰对齐技术相比,提出的方法能够有效减少干扰泄漏强度,提高系统和速率。 |
Simulation results show that the proposed method can effectively reduce the interference leakage and improve the system sum rate compared with the interference alignment scheme that just dynamically feedback's channel state. |
22539 |
不同风浪等级下的海面会对船舰目标雷达散射截面(RCS)分析产生强烈影响。 |
The sea under different wave levels has an strong impact on the ship target Radar Cross Section (RCS) analysis. |
22540 |
该文建立了一种船舰模型,利用物理光学法与矩量法的混合算法(PO-MOM)分析了不同海情下的船舰目标远场单站 RCS。 |
The far-field single-station RCS analysis model is established for the ship under different sea conditions based on the Physical Optics with Method Of Moments (PO-MOM) hybrid algorithm. |
22541 |
之后研究了海情对船舰目标 RCS 测试结果的影响。 |
Then the impact of sea conditions on ship RCS results is studied. |
22542 |
结果表明,随着海情等级的增加,舰船 RCS 降低; |
The ship RCS results are reduced with the sea wave level increasing. |
22543 |
最后提出了基于 3 次样条插值(Cubic Spline Interpolation, CSI)算法的优化补偿方法。 |
Finally, an optimization ship RCS compensation method is proposed under different sea conditions based on Cubic Spline Interpolation (CSI) algorithm. |
22544 |
利用 3 次样条插值算法进行补偿,其补偿结果的平均值误差小于 0.38 dBsm,最大值误差小于 0.05 dBsm,因此能有效地减少海情对船舰 RCS 测试结果的影响。 |
The results show that the average value error and maximum value error of ship RCS results are less than 0.38 dBsm and 0.05 dBsm, respectively by employing the proposed method, which can reduce the influence of sea conditions on ship RCS analysis effectively. |