| 1. | The high false alarm rate is the main problem which puzzles the research and application of the bit technology
虚警率较高始终是困扰bit技术研究和应用的主要问题之一。 |
| 2. | First , we propose a kind of constant false alarm rate ( cfar ) target detector to find potential targets from scenario
利用恒定虚警率（ cfar ）检测算子，从场景中发现潜在目标。 |
| 3. | In the beginning of chapter 2 the principles of the fixed reduced - rank methods and the constant false alarm rate ( cfar ) detection are described
本文的第2章首先介绍固定降维方法和恒虚警检测的基本原理。 |
| 4. | This predictor has a high prediction speed , and the false alarm rate and missing alarm rate can be adjusted randomly . the method is simply and universalizable
同时该预报器还具有速度快、误检率和漏检率可人为调整的特点;设计方法简单。 |
| 5. | It provides an active field for development of radar techniques . this dissertation is based on the project " cfar ( constant false alarm rate ) detection for airborne pd radar "
本文是结合课题“机载脉冲多普勒雷达恒虚警检测性能研究”进行的，主要考虑如何克服地杂波影响，提高系统的检测性能。 |
| 6. | The exiting its has a low detection and high false alarm rates due to : l ) less information of gray images for detection ; 2 ) lack background model adaptive to real background change ; 3 ) existence of shadows
现有的车辆检测系统之所以出现漏检和误检的原因在于: l )灰度图用于检测的信息少; 2 )背景模型不能反映变化的道路背景; 3 )存在阴影。 |
| 7. | The concrete forms of cfar algorithm for different clutter distributions are deduced particularly . it concludes the relationship between the detection threshold and the false alarm rate and the estimation of the clutter statistic measure , and so on
详细推导了不同分布下cfar算法的具体形式,包括检测阈值与虚警率的关系,杂波统计量的估计等内容。 |
| 8. | Presently , the false alarm rate of most idss is high and their efficiency is low . aimed at these drawbacks of present idss , researches on ids models and neural network - based intrusion detection are presented in this paper
目前大多数入侵检测系统误警率较高,效率较低,为克服现有ids的不足,本文从入侵检测模型、神经网络应用于入侵检测等方面进行了研究。 |
| 9. | With improved windshear alerting techniques and facilities put in place in the last couple of years , the rate of successful detection of windshear events has been on the rise , accompanied by a steady decrease in the false alarm rate
随著在过去两三年间风切变的预警设施及技术得到改良，风切变的成功捕捉比率得以持续上升，同时间预警的虚报比率亦正稳定下降。 |
| 10. | With improved windshear alerting techniques and facilities put in place in the last couple of years , the rate of successful detection of windshear events has been on the rise , accompanied by a steady decrease in the false alarm rate
随著在过去两、三年间风切变的预警设施及技术得到改良，风切变的成功捕捉比率得以持续上升，同时间预警的虚报比率亦正稳定下降。 |
