ID |
原文 |
译文 |
10364 |
实验结果不仅验证了理论分析的正确性,同时表明信源时域自相关信息有助于进一步提升阵列误差的校正精度。 |
The experimental results validate the correctness of theoretical analysis, not only at the same time shows that source temporal autocorrelation information helps to further enhance the array error correction precision. |
10365 |
为解决大型相控阵天线维修成本高及维修时机难以确定、维修优化建模难度大、优化模型仿真计算困难等问题,提出一种基于区域量化的天线阵面维修优化模型。 |
To solve the large phased array antenna high maintenance cost and maintenance time is difficult to determine, difficult maintenance optimization modeling, optimization model for the simulation calculation difficulties and other issues, put forward a kind of antenna array based on regional quantitative surface maintenance optimization model. |
10366 |
通过分析天线单元失效对天线性能的影响,建立了天线阵面的区域量化模型,将天线阵面的维修问题转化成多个子区域的维修优化问题。 |
By analyzing the effect on the performance of antenna, antenna unit failure to establish the quantitative model of the antenna array area, will be on the surface of the antenna array maintenance problem into multiple child area maintenance optimization problem. |
10367 |
在此基础上,以使用可用度为约束条件、以单位时间维修费用最小为优化目标,建立了阵面分布不均匀的大型相控阵天线视情维修优化模型。 |
On this basis, to use the availability as constraint conditions, the minimum maintenance cost per unit time as the optimization goal, has established the uneven distribution of front large phased array antenna as optimization model of maintenance. |
10368 |
算例仿真与分析表明,提出的模型真实有效、可行性强,能够很好地解决阵面分布不均匀的相控阵天线维修优化问题。 |
The example simulation and analysis show that the proposed model is real and effective, the feasibility is strong, can effectively solve the uneven distribution of front of phased array antenna maintenance optimization problem. |
10369 |
船载X波段雷达图像中风条纹的完整性因舰船运动而破坏,影响风条纹法反演海面风向准确性,而利用雷达散射截面反演风向不受雷达载体运动的影响。 |
The integrity of the shipborne x-band radar image stroke stripe damage due to ship motion, affect the wind direction stripe method about the accuracy, and the use of radar scattering cross section for inversion of the wind is not affected by radar carrier movement. |
10370 |
通过建立雷达散射截面与天线照射方向的谐波函数关系,解决了局部遮挡问题。 |
Through the establishment of radar scattering cross section and the direction of the antenna radiation harmonic function relation, and can solve the problem of partial occlusions. |
10371 |
利用预处理后的雷达图像数据,通过最小二乘法拟合出谐波函数的系数,谐波函数的最大峰值点对应的方向就是反演风向相对航向的角度,再根据此时的航向就可以计算出风向。 |
Using the data from the radar image after pretreatment by least squares fitting out harmonic function coefficient, the maximal peak value of harmonic function corresponding direction is the inversion of the wind relative heading Angle, according to the heading direction of the wind can be calculated. |
10372 |
利用实测数据验证海面风向反演算法,并与船载风向标测得的数据进行比对,结果表明,由雷达散射截面反演出的风向与参考风向基本一致。 |
Sea surface wind inversion algorithm is validated with the measured data, and the ship vane compare the measured data, the results show that the radar scattering cross section the performances of wind direction and reference direction. |
10373 |
针对性能退化过程服从Wiener过程的产品,运用贝叶斯统计推断法,提出了一种融合同类产品加速退化试验(accelerated degradation test,ADT)信息与个体外场退化信息的可靠性评估方法。 |
Products aimed at the performance degradation process obey the Wiener process, by using bayesian statistical inference method, this paper proposes a fusion of similar products accelerated degradation test (accelerated degradation test, ADT) information with individual field degradation method of reliability assessment. |