| 塔康脉冲峰值滑动窗检测与方位包络拟合方法 |
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| 引用本文： | 曾定坤,张斌,姜力茹,张博.塔康脉冲峰值滑动窗检测与方位包络拟合方法[J].重庆邮电大学学报(自然科学版),2015,27(5):608-613. |
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| 作者姓名： | 曾定坤 张斌 姜力茹 张博 |
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| 作者单位： | 空军工程大学信息与导航学院,陕西西安,710077 |
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| 基金项目： | 国家自然科学基金(61273049) |
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| 摘 要： | 针对在低信噪比情况下塔康(tactical air navigation,TACAN)峰值检测误差大、脉冲形变和易丢失等问题,提出了滑动窗方法检测塔康钟形脉冲峰值.设计了与塔康钟形脉冲匹配的滑动窗,通过多次滑动比较窗中离散点与首尾点幅值来判断脉冲到达时刻,累加离散点做归一化估计峰值,采用最小二乘算法拟合周期内各峰值点估计包络,剔除偏差包络分布较大值并重新拟合提高角度测量精度.仿真结果表明,所提方法在低信噪比情况下,能有效检测峰值和估计方位信息,估计误差小于0.5.,满足塔康系统方位误差小于2°的要求.
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| 关 键 词： | 塔康 峰值检测 窗函数 匹配滤波 最小二乘 |
| 收稿时间： | 2015/1/21 0:00:00 |
| 修稿时间： | 9/9/2015 12:00:00 AM |
TACAN pulse peak detection with sliding window and azimuth envelope fitting algorithm |
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| ZENG Dingkun,ZHANG Bin,JIANG Liru and ZHANG Bo.TACAN pulse peak detection with sliding window and azimuth envelope fitting algorithm[J].Journal of Chongqing University of Posts and Telecommunications,2015,27(5):608-613. |
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| Authors: | ZENG Dingkun ZHANG Bin JIANG Liru and ZHANG Bo |
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| Institution: | Information and Navigation Institute, Air Force Engineering University,Xi'an 710077,P.R.China,Information and Navigation Institute, Air Force Engineering University,Xi'an 710077,P.R.China,Information and Navigation Institute, Air Force Engineering University,Xi'an 710077,P.R.China and Information and Navigation Institute, Air Force Engineering University,Xi'an 710077,P.R.China |
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| Abstract: | |
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| Keywords: | TACAN peak detection window function matched filter least square algorithm |
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