ID |
原文 |
译文 |
11954 |
针对运动目标的无源雷达成像,给出一种采用分布式接收孔径的成像方法。 |
For passive radar imaging of moving targets, a method of using distributed receiving aperture imaging. |
11955 |
首先建立运动目标的回波信号模型,该模型无需任何发射源先验信息。 |
First to establish a moving target echo signal model, the model without any a priori information source. |
11956 |
而后基于分布式孔径接收到的回波数据稀少,以目标位置和速度为未知量采用广义似然比检验的方法进行成像,完成成像区域内运动目标的成像和速度估计。 |
And then based on the distributed aperture receives the echo data is scarce, target position and velocity as unknown quantity using the generalized likelihood ratio test methods for imaging, imaging of moving targets in the area of imaging and speed estimation. |
11957 |
最后以WiMAX信号作为机会照射源进行仿真分析,结果表明所用方法能够有效实现无源雷达动目标成像。 |
WiMAX signal as the last chance irradiation source simulation analysis, the results show that the method can effectively realize the dynamic target of passive radar imaging. |
11958 |
针对长期贮存复杂可修系统的特点,提出一种以可用度为约束的系统贮存寿命评估方法。 |
According to the characteristics of the long-term storage of complex repairable system, puts forward a system based on constraints of availability for storage life evaluation methods. |
11959 |
该贮存系统由三类部件串联构成:第一类部件为高可靠产品,具有给定故障时间分布且不进行检测; |
The storage system consists of three components in series: the first part is highly reliable product, with the given fault time distribution and testing; |
11960 |
第二类部件为等时定检维修产品,且修复如新; |
The second part for missile d etection maintenance products, such as repair as new; |
11961 |
第三类部件为定期预防性更换产品,更换周期与检测周期相同。 |
The third type of components for regular preventive replacement products, change cycle is the same as the test cycle. |
11962 |
在分析上述三类部件瞬态贮存可用度变化规律基础上,推导了此类系统的平均贮存可用度。 |
Transient storage based on the analysis of the above three parts availability change law on the basis of the average storage availability of such a system is deduced. |
11963 |
并以其作为约束条件,建立了该类系统贮存寿命的评估与优化模型,给出了满足系统寿命最大化的检测与更换策略。 |
And with its as constraint conditions, established the system evaluation and optimization model of storage life, give the life to maximize meet the system of inspection and replacement policy. |