false alarm rate 中文意思是什麼

false alarm rate 解釋
火災誤報率
  • false : adj （opp true）1 虛偽的，虛假的，捏造的；撒謊的，不誠實的；錯誤的。2 不正的，非法的。3 假造的；...
  • alarm : n. 1. 驚慌，恐慌。2. 警報，急報。3. 警報器，警鈴。vt. 1. 向…告急，向…報警，警戒。2. 嚇，驚動；使放心不下。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl

    本文以平均運行長度（ apl ）為衡量控制圖有效性的標準，以抽樣比例和最大可接受錯誤報警率為輸入，通過建立模型的方法，確定最佳的樣本容量和控制線參數。
  2. The high false alarm rate is the main problem which puzzles the research and application of the bit technology

    虛警率較高始終是困擾bit技術研究和應用的主要問題之一。
  3. First, we propose a kind of constant false alarm rate ( cfar ) target detector to find potential targets from scenario

    利用恆定虛警率（ cfar ）檢測運算元，從場景中發現潛在目標。
  4. 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章首先介紹固定降維方法和恆虛警檢測的基本原理。
  5. 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

    同時該預報器還具有速度快、誤檢率和漏檢率可人為調整的特點;設計方法簡單。
  6. 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 "

    本文是結合課題「機載脈沖多普勒雷達恆虛警檢測性能研究」進行的，主要考慮如何克服地雜波影響，提高系統的檢測性能。
  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

    詳細推導了不同分佈下cfar演算法的具體形式，包括檢測閾值與虛警率的關系，雜波統計量的估計等內容。
  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

    目前大多數入侵檢測系統誤警率較高，效率較低，為克服現有ids的不足，本文從入侵檢測模型、神經網路應用於入侵檢測等方面進行了研究。
  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

    隨著在過去兩三年間風切變的預警設施及技術得到改良，風切變的成功捕捉比率得以持續上升，同時間預警的虛報比率亦正穩定下降。
  10. The prototype of the pnids shows that the pnids can make use of advantages of cluster computing to improve the capability of high performance computing of the nids and to decrease false alarm rate

    Pnids的實驗原型系統表明， pnids能利用機群計算優點，提高nids高性能『卜國科學院研究生院博士學位論文蔣建春:而向網路環坡的信息安全對抗理論及關鍵技術研究計算能力，降低漏警率。
  11. Furthermore this system uses snort rule language and fuzzy reasoning in the system. consequently, this system has low false alarm rate as well as low miss alarm rate. all these characters make this instrusion detection expert system have much more protecting capacity

    此外，本系統將模糊推理和snort規則描述語言用於對入侵特徵的分析與識別，構建起基於誤用和基於異常相結合的入侵檢測系統，使系統的誤報率漏報率降低，而且數據分析更據實時性。
  12. Built - in test ( bit ) technique is an important approach to improve testability and diagnostic capability of equipments and devices greatly. the domain of bit application has extended from electronic equipments to mechantronic equipments. however, the high false alarm rate ( far ) is one of the important factors that prevent bit from being more extensively applied

    機內測試（ built - intest ， bit ）技術在提高武器裝備和機電系統的測試性、簡化維修過程和降低保障費用等方面發揮了重要作用，但虛警率高的問題一直阻礙著bit效能的充分發揮和更廣泛、更深入的應用。
  13. In the subsystem of signal processing, digital sidelobe cancell block, digital pulse compress block, adaptive clutter canceller block, doppler filter and constant false alarm rate block are respectively discussed and set up. in signal processing, data in the same coherent processing interval form a matrix, and the data processing was completed based on the matrix. data are processed with the row vector or column vector respectively when needed

    在信號處理分系統中，將脈沖壓縮得到的數據在各個相干處理區間進行處理，將一個相干處理區間的數據按照不同的脈沖重復周期和不同的距離單元排列成一個矩陣，當需要實現數字脈沖壓縮時對矩陣的各行（同一個脈沖重復周期的數據）進行處理，當需要實現多普勒濾波時，就對矩陣的各列（同一個距離單元的數據）進行處理。
  14. 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

    將接收的實際場景數據與實際系統參數下模擬的典型數據相結合，分析、驗證了頻域濾波法的性能，並對濾波后的數據採用改進的選大單元平均恆虛警率（ go - ca - cfar ）方法進行處理，判斷動目標是否存在；然後對實際的動目標進行檢測，準確的估計出目標速度及位置並對目標重新聚焦成像，接下來將聚焦的動目標圖像和常規sar圖像迭加，同時得到了回到真實位置的動目標聚焦圖像和實際場景sar圖像。
  15. The conclusions were drawn by comparing the performance metrics of our model with the first - order and second - order markov chain models : at detection performance ( hit rate and false alarm rate ), our model is better than other two models ; at memory demand, our model is more than the first model, but less than the second - order model ; at speed, the training speed of our model is slower than other two models, but the detection speed is quicker. these results clearly demonstrate the effectiveness of our model. 2

    通過與基於系統調用的一階和二階馬爾可夫鏈異常檢測模型的比較研究得出結論：基於系統調用宏的馬爾可夫鏈模型在檢測性能要高於一階和二階馬爾可夫鏈模型；而在存儲要求上稍高於一階馬爾可夫鏈模型，但低於二階馬爾可夫鏈模型；雖然在訓練時間上是一階和二階馬爾可夫鏈模型若干倍，但實時檢測速度要高於它們兩者。
  16. For the main body of the intrusion is coming indirect, the scope of it larger, the techniques are distributing and the object is changing, the intrusion detection system must improve its response speed, data analyzing speed and reduce the miss rate and false alarm rate. this system uses both parallel reasoning and fuzzy reasoning techniques

    由於目前入侵趨于主體對象的間接化、入侵或攻擊的規模擴大、入侵或攻擊技術的分佈化、攻擊對象轉移，因此必須提高入侵檢測系統的實時響應速度、數據處理速度、同時降低系統對漏洞的誤報率和漏報率。
  17. Both ratio of average ( roa ) and cross - correlation method use local statistics to judge road. they perform good detection while smoothing speckle. moreover, they both have constant false alarm rate ( cfar ) which is important in radar target detecting

    本文所採用的均值比例運算元和互相關運算元利用圖像局部的統計信息進行判決，在檢測道路基元的同時對圖像進行局部平滑以降低相干斑干擾;並且兩個運算元都具有恆虛警特性，門限值由給定的虛警概率確定。
  18. Consequently, this system has low false alarm rate as well as low miss alarm rate. what ' s more, it has real - time data analyzing and responds on time. all these characters make this intrusion detection expert system have much more protecting capacity

    本系統將模糊推理和并行推理相結合的推理技術用於對入侵特徵的分析與辨識，構建起基於誤用和基於異常相結合的入侵檢測系統，使系統在保持以專家系統開發入侵檢測系統誤報率低的優勢之外還降低了入侵檢測的漏報率，而且數據分析更具實時性，響應及時有效。
  19. The purpose of this article is to introduce the realization of medium frequency receive for bpsk pulse compress radar. and it includes the realization of constant false alarm rate ( cfar ) process. the main content of this article includes : ( 1 ) the introduction of radar medium frequency receiver ; ( 2 ) the introduction of medium frequency receiver theory ; ( 3 ) the simulation for medium frequency receive of bpsk pulse compress radar ; ( 4 ) the hardware realization for medium frequency receive of bpsk pulse compress radar

    本文的主要工作包括： （ 1 ）介紹雷達數字接收機的概念； （ 2 ）介紹中頻數字接收理論； （ 3 ）介紹二相編碼脈壓雷達中頻接收的方案設計和模擬驗證； （ 4 ）通過硬體描述語言ahdl ，完成中頻數字接收和脈壓處理演算法在fpga上的實現； （ 5 ）完成雷達中頻數字接收機信號處理板原理設計，並同課題組成員一起完成硬體調試，並給出相應的測試結果。
  20. We employ data from darpa ' 98 to train and test feasibility of our proposed model. from the results of our experimental on the network data, our model achieves high detection rate on average, and low false alarm rate for five typical types of attacks

    通過實驗我們發現，決策樹演算法根據信息增益的原理，可以精確地從這兩類攻擊的內容特徵中提取攻擊規則，因此對r2l和u2r類攻擊有較高的檢測率。
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