probability of detection造句

• Study on joint probability of detection for radar ir integrated dual - model seeker
  红外成像双模导引头的联合探测概率研究
• - provide an overview of the radar probability of detection calculations and related topics
  雷达的噪声与杂波研究，怎样在噪声和杂波中发现目标回波，并提取信息。
• Therefore the conventional evaluation index is modified to include the probability of detection ( pod ) and the probability of sizing ( pos )
  修正后的指标以探测概率和测量尺寸可靠度综合评价。
• The features of the proposed algorithm include that : ( l ) the algorithm reduces error probabilities of detection by use of bch code
  该算法具有如下特点： ( 1 )应用bch编码来降低隐藏信息的检测错误概率。
• It is an urgency to investigate a new dsss to achieve lower low probability of detection ( lpd ) and higher anti - jamming performance
  为达到更低截获率和更高抗干扰的通信目的,必须研究新的直扩通信技术。
• Spread spectrum technique has been widely used in military and civilian communications for its advantages , such as anti - jamming ( aj ) and low probability of detection ( lpd )
  扩频技术由于其具有抗干扰、隐蔽性好等优点,广泛应用于军事和民用通信系统中。
• In first time , the relationship between probability of detection and probability of fault to snr , contrast and detecting threshold is derived in the assessment of detecting result
  在检测效果评估方面首次推导了检测概率、虚警概率与信噪比、对比度和检测门限之间的关系。
• Spread - spectrum ( ss ) technique has been widely used in military and civilian communications for its advantages , such as anti - jamming ( aj ) and low probability of detection ( lpd )
  目前,扩频通信技术不仅在军事通信中被大量采用,还广泛应用于民用通信系统中。这是因为扩频技术具有抗干扰、隐蔽性好等优点,特别适合于无线移动通信环境。
• The effects of meteor trails scattering on a back scattering beyond - light - of - sight radar detected distance and probability of detection are creatively calculated in theory . it is practicable worth for analyzing the performance of the electronic systems
  本文第一次从理论上研究了流星余迹散射对电子系统性能影响，这些结果对研究突发通信系统和超视距雷达系统等电子系统的性能都有一定实用价值。
• Ultra - wideband ( uwb ) pulse communication is a very different communication technique from others . it has characteristics of high system capacity , low power spectral densities , exceptional multiparth immunity , simple structure and low probability of detection
  超宽带( uwb )脉冲通信是一种与其它技术有很大不同的无线通信技术，它具有通信容量大、辐射功率密度低，抗多径干扰，结构简单和保密性好等优点。
• When the fusion centre receives local statistics , the probability of detection is studied on the situation that only the signal is correlated and the clutter is independent . the problems and content needed further research are pointed out in chapter 6
  对于融合中心接收局部统计量的分布式系统，分析了信号相关、杂波不相关的情况，建立了多部双通道接收机的相关信号模型，利用矩阵分解技术求取系统的检测概率。
• This paper discusses the conception of non - destructive inspection reliability of offshore structures and indicates that it is not sufficient to evaluate the inspection reliability of offshore structure by the conventional evaluation index ( probability of detection ( pod ) only )
  摘要对海洋结构无损检测可靠性概念进行了探讨，指出了常规评价指标仅以探测概率评价海洋结构检测可靠性的不足，并对常规评价指标进行了修正。
• It is important to study the probability of detection when evaluating the filtering algorithm by simulation , in this paper , the simulation model of radar ' s measurement data is developed using the radar ' s functional simulation method , also we have presented the probability of detection under some typical ecm situation
  利用仿真的方法来评价算法的性能时，计算雷达的检测概率是很重要的研究内容。本文利用雷达的功能仿真方法建立了电子战条件下雷达的观测模型，给出了几种典型的电子对抗条件下的检测概率计算方法。
• But modern electronic counterwork technic could exactly estimate the carrier frequency , signal period , even the pseudo - random ( pn ) sequence itself of direct sequence spread spectrum ( dsss ) . it is urgency to investigate a new dsss to achieve lower probability of detection ( lpd ) and higher anti - jamming
  然而现代电子对抗技术可以准确估计直接序列扩频通信的载波频率、符号周期甚至扩频码本身,为达到更低截获率和更高抗干扰的通信目的,必须研究新的直扩通信技术。
• We can use optimal search theory to solve this problem . optimal search theory is a subject developed during the world wide war ii . the optimal search problem involves computing how resources can be allocated so as to maximize the probability of detection , or to minimize the comsumption of resources used
  最优搜索理论是二战期间发展起来的一门学科,最优搜索理论要解决的核心问题就是在总搜索资源有限的情况下,如何分配搜索资源使得成功搜索到目标的可能性最大或花费的搜索代价最小。
• It is quite suitable to the lduwarc system demanding for covert communications while the signal - to - noise ratio ( snr ) is low . spread spectrum technique can fight against the intersymbol interferences caused by the multipaths propagation and fading , and it has the advantage of low probability of detection
  由于它具有很好的抗多径、抗衰落和低的截获概率的优点，特别适合于处于低信噪比环境且保密性要求比较高的远程声遥控系统，所以我们采用扩频技术作为遥控系统的通信方式。