虛警 的英文怎麼說
中文拼音 [xūjǐng]
虛警
英文
false alarm-
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。The characters of this device were high sensitivity, wide - angle warning resign, accurate azimuth angle of the coming laser and low wrong - warning rate
此激光預警器的特點是靈敏度高、視場寬、測向精度高，且虛警率極低。The synchronization of frequency hopping method referenced the jtrs radio system of usa military, and designed a synchronization method used in our radio include creating the frequency hopping map and the base band frame architecture in frequency hopping mode. the paper also analyzed the synchronization capability on theory. it has been proved correct on theory by showing the false probability, capture probability and the synchronization time
對跳頻圖案的產生和跳頻的幀結構，本文不僅從理論上分析了同步性能，給出了虛警概率和檢測概率，估算了同步的捕獲時間，證明均能滿足系統指標要求，而且通過與合作單位進行的整機聯調和實測證實了該方案的可行性。False alarm probability
虛警概率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。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。Otherwise, the conception and the academic formula of the detection probability and false alarm probability of radar is analyzed, and the computation is done by program
另外，論文還初步闡述了雷達發現概率和虛警概率的概念和理論計算方法，並就這些計算公式進行了程序模擬。The methods of measurement for monotone and dual tone intermodulation suppression are provided as receiver works at fh mode based on intercept probability and false alarm probability are up to par
提出在滿足截獲概率和虛警概率條件下，接收機跳頻工作方式的單音和雙音互調抑制性能測試方法。The signal processor is the centre of radar, and cfar processing technique is one of the most important methods to control false alarm probability in radar auto - detecting system
雷達信號處理機是雷達系統的核心部分，而恆虛警處理是雷達自動檢測系統中控制恆虛警的重要手段，它在雷達自動檢測過程中起著極其重要的作用。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。And the output components of the despread correlator under the condition of additive white gaussian noise ( awgn ) are analyzed to derive the expressions for the false alarm probability and the detection probability
同時也對解擴相關器在接收端噪聲為加性白高斯噪聲情況下的輸出成分進行了詳細分析，推導得出大步進搜索的虛警概率和檢測概率的公式。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。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。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。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。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。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。The reasons and mechanism of how the feature information quality influences the bit performance are analyzed systematically. in order to analyze how the feature level influence the bit performance, the factors that induce the feature information quality are analyzed first, and the mechanisms of feature level influencing fa are investigated. the quantitative analysis and simulation results show feature irrelevancy to fault condition, feature redundancy and feature unmatched to fault classifier is the cause of false alarm
本文的主要研究內容與結論如下: 1 .深入研究了機電系統bit特徵層導致虛警的原因和機理對特徵層的特徵信息質量包含的內容進行了分析，得到特徵與故障不匹配、特徵冗餘和特徵與決策器不匹配三種信息質量較差是特徵層導致機電系統bit虛警率高的主要原因。When analyzing the principle and performance of the lsdll, circular flowgraph is used. the expression for " penalty " time and mean and variance of the acquisition time is derived from the circular flowgraph of large step acquisition method
在理論方面，本文利用圓形狀態圖對大步進快速捕獲法的工作原理進行研究和分析，導出由相關處理時間、大步進時間、虛警概率、檢測概率和虛警「代價」時間表示的捕獲時間平均值及其方差的表達式。In time synchronization, we adopted some methods to reduce the probability of false and omit
時間同步方面採取了一些改進措施，降低了同步過程中的虛警漏報概率。分享友人