虛警數 的英文怎麼說

中文拼音 [xūjǐngshǔ]
虛警數 英文
false alarm number
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 警 : Ⅰ動詞1 （戒備） guard against; garrison 2 （使人注意） warn; alarm Ⅱ形容詞（感覺敏銳） alert; vig...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Combined with the foundation research ( avigation science fund 04d52032 ) ” study on cfar detecting expert system base on clutter tracking ”. this paper study the fractal technic and snake algorithm on the application of clutter tracking. it proved that the method was effective by the algorithm which adapt to the real and simulant clutter data

    本課題結合航空科學基金「基於雜波跟蹤融合的恆虛警檢測專家系統研究」 ，研究分形技術和snake演算法在雜波跟蹤中應用，設計了相應的演算法，通過分析真實數據和模擬數據驗證了演算法的有效性。
  2. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架，以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構，把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合，從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。
  3. This method utilizes the distribution property of image intensity. given the false alarm probability, the threshold for likelihood difference can be determined

    該方法利用sar圖像的強度分佈特性，根據虛警率確定相鄰區域之間存在邊界的似然差函數的閾值。
  4. We mainly discuss the methods of gmti, location, and the measure of velocity, the decrease of false alarm probability and the compensation for phase error

    主要研究mcarm數據動目標的檢測、定位和測速的方法，利用定位和測速信息進一步降低虛警概率的方法和相位誤差補償方法。
  5. We derive the analytic expressions of false alarm probabilities and detection probabilities under various situations. also, we drew the detector ' s various performance curves by using matlab

    通過數學推導，得出了mgo - cfar檢測器在各種環境中的檢測概率、虛警概率表達式，並用matlab編程，繪出了檢測器的各種性能曲線。
  6. The main contribution of this paper is that it offers the software to analyze the detection performance and the combat efficiency of radar system taking advantage of visual c + + 6. 0. the software has very well graphics visualize output interfaces. the software can be used to expediently compare the detection performance of radar in existence, calculate and compare the max range and the detection precision of different radar under varying complex environment, calculate the radar detection probability and the radar false alarm probability. some new analyzing module can be added in this software easily

    論文的主要貢獻是利用visualc + +設計了「機載火控雷達性能分析與效能評估軟體」 ，該軟體具有良好的人機交互性和圖形化形象化的輸出界面，可以方便的分析對比現有國內外機載雷達系統的檢測性能，對比不同雷達系統在各種復雜環境下的最大發現距離，計算不同雷達系統在各種復雜環境下的測量精度，以及計算雷達的檢測概率和虛警概率等參數，並且可以方便地添加新的分析模塊，進一步增加軟體的功能。
  7. To prevent spurious alerts, after the backup job executes on the mirror primary database, the backup job logs a message to the l

    為了防止虛假警報，在鏡像/主數據庫上執行備份作業之後，備份作業將向
  8. First this thesis discusses the development of the virtual instrument, and the method of developing the real time software ; then designs a interrupted virtual driver, deduces and programs the realtime arithmetic of wanderazimuth strapdown inertial navigation, develops strapdown inertial navigation realtime software based virtual instrument with object - oriented programming language. the software is able to display multi navigation parameter and is able to be added the extensible function

    論文討論了虛擬儀器技術的發展與現狀，研究了windows98平臺下實時性軟體的設計方法，設計了基於硬體的中斷虛擬驅動程序，推導和編程實現了游移方位坐標系捷聯式慣性導航系統計算機實時導航演算法，利用面向對象的可視化開發語言開發出基於虛擬儀器的捷聯式慣性導航實時軟體。該軟體能夠顯示多個慣性導航參數，具有故障報警顯示功能，根據需要可以增加新的顯示功能。
  9. 5 a multi - thread software cooperated with smp ( 2 cpu ) hardware performs the image - preprocessing correlation and post - processing synchronously, thus an automatic working module is realized. 6 systematic designed software, including grabing sarnies constructing rfl diging roi, and trainning ann offline and inline modules, has passed the practical tests which indicates that the opr could reach the recogniton possibility above 85 % and decrease the false alarm in the environment of high noise low contrast and multi - objects. and these are proved stable and repeatable in statistics, and so an advanced progress toward practical systems is achieved

    6 、系統化設計的軟體，包括了樣本採集、參考濾波器庫構成、相關平面的roi採集，以及ann脫機訓練、 ann聯機運行的軟體功能模塊，在實時運行的測試結果中表明了該opr系統對處于高噪聲、低反差、多目標的惡劣條件下，對三維畸變目標的判識率（ > 85 % ） ，降低了虛警率，並通過大量的實驗數據證明了該系統各項指標的穩定性和可重復性（從統計意義上講） ，向實用系統邁進了一大步。
  10. ( 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：針對地雜波的特點，採用了單元平均恆虛警率（ ca ? cfar ）的方法。針對海雜波的特點，採用了雙參數cfar演算法。
  11. But snort is not perfect. it ' s data package analyzing ability advances much slowlier than the speed of the computer network, which results in frequent false alarm and package loss in the system

    Snort自身也有一些不盡人意之處：數據包分析技術的發展速度遠遠落後于網路速度的發展，致使系統的虛警、誤警和丟包現象時有發生。
  12. In this paper, according to the theory of signal detection and estimation, the optimal receiver pattern of pn code signal is introduced and theoretically, the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated

    根據信號的檢測和估計理論，文中分析了數字相關器實現偽碼信號接收的最佳模型，從理論上計算了在不同的虛警概率下，檢測概率隨輸入信噪比的變化曲線，並分析了doppler效應對偽碼相關接收的影響。
  13. 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。
  14. Making full use of the characteristics of virtual instrument which function and parameter can define automatically, the upper computer processes the data, display the result dynamically, and emit an alarm, record and storage the abnormal condition automatically, and suggest how to deal with the abnormity urgently. the acquisition of the automobile information in working state has been studied

    上位機將獲得的車況信息處理后，將常規信息顯示與異常信息顯示相結合，並充分發揮虛擬儀器功能與參數能自動定義、動態畫面可視性強的特點，採用模擬、數字等多種方式對工況信息進行綜合顯示，並對超限工況報警和自動記憶存儲，對汽車出現的各種異常情況給出緊急處理建議。
  15. After this, this paper present the simple threshold ca - cfar detector with little reference cell number, and analyse the relationship between the detection probability and noncoherent integration number, reference cells, then the relationship curve and an analysis is also given. finally, the thesis simulate the signal processor and cfar algorithm, discussed results are proved to be correct

    文章最後將產生的目標及雜波數據送入信號處理機的模擬系統，對其進行信號處理及恆虛警檢測的模擬，給出了模擬結果，對模擬結果進行了詳盡的分析討論，驗證了本文信號處理及恆虛警演算法的正確性。
  16. It expatiates the implementation circuit of key technology of the clutter storage and binary detection in radar signal processing. the second part discusses implementation of radar data processing in this system. it introduces the c ~ - ~ 3 filter algorithm and software design of the auto - detect - system in details

    第一部分介紹了雷達信號自動檢測錄取和恆虛警處理的有關理論基礎和硬體實現，詳細闡述了雷達視頻處理中的雜波圖存儲、二進制檢測等關鍵技術的工程實現；第二部分介紹雷達數據處理在本系統的實現，詳細地介紹了-演算法原理和整個錄取系統的軟體體系設計，並就雷達錄取程序中有關難題的解決作詳細探討。
  17. Recently, there have been several complaints regarding virtual weapons being stolen from online game players account

    最近，警方接獲數宗投訴，指稱有網上游戲玩家帳戶被人從中偷去虛擬武器。
  18. Recently, there are increasing number of complaints regarding virtual weapons being stolen from online game players account

    最近，警方接獲數宗投訴，指稱有網上游戲玩家帳戶被人從中偷去虛擬武器。
  19. In the case of same local observation clutter power, based on the fusion rule proposed in [ 391, a novel method is proposed to solve the distributed system included any kind of lds by the property of laplace transform. this method overcomes the shortcoming of supposing the same local snr in other method. by computer simulation, some available conclusions are found based on these results

    在假設局部觀測雜波功率水平相同的條件下，針對文獻[ 39 ]提出的融合方案，利用laplace變換的頻域微分性質，提出了一種針對局部採用任意數量的不同cfar檢測器時系統的檢測概率和虛警概率關于固定門限的求取方法，克服了以往需要假設局部信雜比相同的缺憾。
  20. Smart bit has been studied in this paper considering the false alarm of conventional bit. the fault diagnosis technique of the markov model and information fusion technique based on the artificial neural network have been discussed. the fault detection tests of lvdt sensor are assessed applying the neural network of bp and art - ii, and the validity is proved by the simulated result

    針對常規bit的虛警問題，本文進行了智能bit技術研究，探討了基於馬爾可夫模型的故障診斷技術和基於神經網路的信息融合技術，分別應用bp網路和art - ii型網路對lvdt傳感器進行故障檢測，通過數字模擬驗證了其有效性。
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