恒虚警率的英文

• constant false alarm rate
• constant false-alarm rate

• "恒"英文翻译    permanent; lasting
• "虚"英文翻译    void; emptiness
• "警"英文翻译    guard against; garrison
• "率"英文翻译    rate; ratio; proportion
• "恒虚警率接收机" 英文翻译 :    cfar receiver
• "时常虚假警报率，恒虚警率" 英文翻译 :    cfar constant false alarm rate
• "虚警率" 英文翻译 :    false alarm rate
• "恒定虚警率" 英文翻译 :    constant false alarm rate
• "恒虚警损失" 英文翻译 :    cfar loss
• "渐近虚警率" 英文翻译 :    asymptotic false alarm rate
• "恒虚警接收机" 英文翻译 :    constant false-alarm receiver
• "对数单元平均恒虚警电路" 英文翻译 :    log/cell average cfar circuit
• "幅度鉴别恒虚警技术" 英文翻译 :    amplitude discrimination cfar technique
• "相位鉴别恒虚警技术" 英文翻译 :    phase discrimination cfar technique
• "虚警" 英文翻译 :    false alarm; false alert
• "虚警数" 英文翻译 :    false alarm number; false-alarm number
• "误报警率" 英文翻译 :    false alarm rate
• "雷达虚警" 英文翻译 :    radar false alarm
• "虚警概率" 英文翻译 :    failure-free probability; false alarm probability; false-alarm probability; probability of false alarm
• "虚警时间" 英文翻译 :    false alarm time
• "虚警试验" 英文翻译 :    false alarm test; false-alarm test
• "固定伪预警率" 英文翻译 :    constant false alarm rate
• "恒雄" 英文翻译 :    tsuneo
• "恒雪" 英文翻译 :    tsuneyuki
• "恒性动态存储器" 英文翻译 :    permanent dynamic storage
• "恒雪带" 英文翻译 :    permanent snow belt

• A new conclusion in ca - cfar detection
  单元平均恒虚警率检测中的一个新结论
• Cfar target detection in sar imagery
  合成孔径雷达图像的恒虚警率目标检测
• Secondly , we systematically study the cfar target detection algorithm with the guide of the conclusion gained from the research of the clutter statistical models
  其次,在研究杂波统计模型得到的结论的指导下,系统研究了恒虚警率( cfar )目标检测算法。
• ( 3 ) cfar method : according to earth clutter ' s character , i adopt cell average constant false alert rate ( ca - cfar ) and biparameter cfar under the consideration of sea clutter character
  ( 3 ) cfar方法：针对地杂波的特点，采用了单元平均恒虚警率( ca ? cfar )的方法。针对海杂波的特点，采用了双参数cfar算法。
• It combines the real echoes with the date simulated using the real airborne sar system parameters to analyze and validate the method . after the combined data are filtered , the improved greatest of cell - average constant - false - alarm - rate ( go - ca - cfar ) is used to judge whether moving target is detected or not . in the following , real moving target is detected and its velocity and position is gained through which it is focused well
  将接收的实际场景数据与实际系统参数下模拟的典型数据相结合，分析、验证了频域滤波法的性能，并对滤波后的数据采用改进的选大单元平均恒虚警率( go - ca - cfar )方法进行处理，判断动目标是否存在；然后对实际的动目标进行检测，准确的估计出目标速度及位置并对目标重新聚焦成像，接下来将聚焦的动目标图像和常规sar图像迭加，同时得到了回到真实位置的动目标聚焦图像和实际场景sar图像。
• In this thesis , first , we present the theory of sess system , the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system . an efficient acquisition scheme based on periodically transmitting the synchronization head , which is composed of binary chaotic codes , using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present . the acquisition model of sess system is built and simulated in the awgn channel , the raleigh fading channel and imulti - address interfere condition
  本文首先概述了自编码扩频通信的原理、自编码扩频序列的产生方法及其特性和扩频通信系统编码同步的理论,然后针对自编码扩频通信系统提出了扩频序列捕获方案:周期性地加入混沌序列同步码,并采用恒虚警率匹配滤波器捕获法;在加性白高斯噪声信道、瑞利衰落信道和多址干扰情况下进行了仿真,分析了各种捕获性能:在选择性能最优的混沌序列、适当的序列长度、虚警概率及门限值的情况下,可以获得较短的捕获时间和较大的捕获概率。