ID 原文 译文
7714 以某测量系统为例,建立动态故障树和贝叶斯网络,验证改良方法的可行性和高效性。 In a measurement system as an example, the establishment of dynamic fault tree and bayesian networks, the feasibility and the high efficiency of the improved method.
7715 结果表明:改良方法在时间分段较小时,能得到精确的系统失效概率。 Results show that the improved method in the time segment is small, can get accurate system failure probability.
7716 改良方法补偿了传统方法的计算误差,提高了结果的计算精度和计算效率,适用于服从各种常见分布的复杂系统。 Improved methods to compensate the calculation error of the traditional method, improve the calculation precision of the result and computational efficiency, applicable to various common distributed complex system.
7717 高频雷达必需射频干扰抑制,而抑制效果常受制于干扰样本质量。 Hf radar necessary rf interference suppression, and inhibition effect is often subject to interfere with the quality of the sample.
7718 针对雷达正常工作如何提取干扰样本的问题,首次提出基于距离-多普勒(range-Doppler,RD)图图像分割的射频干扰提取方法。 For radar work how to extract the sample question, for the first time put forward based on distance - Doppler (range - Doppler, RD) figure image segmentation method to extract radio frequency interference.
7719 通过将常规处理的RD图转换为灰度图像,然后设计去海杂波、边缘检测、分段和整段直线检测算法,从而确定干扰边缘线并提取出干扰区域。 Through the normal processing of RD figure converted to gray image, and then go to the sea clutter design, edge detection, segmentation and segmental linear detection algorithm, so as to determine the interference fringe line and remove the interference area.
7720 由此恢复的干扰数据,不受海杂波影响,能够准确估计干扰特性和提高抑制效果。 The interference data recovery, is not affected by the sea clutter, able to accurately estimate the interference characteristics and improve the effect of inhibition.
7721 实践表明,该算法准确度高,能提取被海杂波覆盖达75%的干扰线。 Practice shows that the algorithm with high accuracy, and can extract 75% is covered by sea clutter interference lines.
7722 为验证其应用,采用该算法辅助改进滤波器设计,能够取得良好的干扰抑制效果。 To verify its application, the use of auxiliary improving filter design, the algorithm can obtain good interference suppression effect.
7723 间歇采样转发干扰是一种针对大时宽带宽线性调频(linear frequency modulation,LFM)信号的新型相干干扰样式,通过不同的参数设置可以形成逼真多假目标以及具有压制效果的密集假目标干扰。 Intermittent forward sampling disturbance is a kind of on the wide bandwidth of linear frequency modulation (linear frequency modulation, LFM), a new type of coherent signal interference pattern, through the different parameter Settings can be formed more false target and dense false target jamming suppression effect.