特徵頻車 的英文怎麼說

中文拼音 [tèzhǐbīnjū]
特徵頻車 英文
eigenfrequency
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 車 : 車名詞1. （中國象棋棋子的一種） chariot, one of the pieces in chinese chess2. （國際象棋棋子的一種） castle; rook
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. Experiments show that, when use msp430f149 audio sensor to identify vehicles that contain plane, tank, truck and so on by time domain features and two - level f - ratio, the recognition rate is 82. 1 % ; when use both msp430f149 audio sensor and arm9 sensor to identify vehicles, and the recognition rate is much better than the original system and msp430f149 audio sensor. line spectrum of power spectra and 3 / 2 spectrum is used as frequency features on arm9 sensor, and it is caught by narrow - band bandpass filter

    實驗證明，在主頻為8mhz的msp430f149感知器上，採用基於時域特徵和二階f比的識別演算法，能夠實時地完成對飛機、坦克、卡車等交通工具的識別;將msp430f149感知器與基於arm9的高端感知器配合使用，且高端感知器採用功率譜線譜或3 / 2維譜線譜作為頻域識別特徵，能夠實時的對各類交通工具做更高性能的識別。
  2. The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network

    利用小波包分析，將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內，各頻帶內的能量值形成一個向量，將其作為神經網路的輸入特徵向量， 。
  3. Based on two fault diagnosis instrument systems for rolling bearing and car, several diagnosis strategies using integrated intelligence have been brought forward. applied methods that fault feature is extracted from high frequency resonance signal have also been presented. many experiment results have shown the effectiveness of these methods

    以滾動軸承和車輛故障診斷儀器系統為研究背景，提出了幾種集成智能故障診斷策略和從高頻共振信號中提取故障特徵的實用方法，並充分利用這些方法對滾動軸承和車輛的多種故障診斷進行了實驗研究，證明了這些診斷方法的有效性。
  4. In the plate region of a vehicle image, the gray value varies frequently in cross - direction, so we define a parameter ". cross variance " to describe it. we also calculate other parameters to approximately locate the plate, they are the space length between two chars, the thickness of stroke, the peak and trough of gray value, the ratio of width and length, etc. at last, we exactly locate the plate by the theory of mathematical morphology

    該方法根據圖像車牌區域橫向灰度值變化頻率比較大這一特徵提出了橫向方差參數，並結合車牌的字元間距、筆劃粗細、灰度峰谷值、長寬比值等特徵粗定位車牌，在車牌的精確定位中利用了數學形態學的方法。我們從某高速公路收費站實地拍攝的照片中選取了1000多幅作為實驗樣本數據。
  5. ( 3 ) features of turbopump test data both in time domain and in frequency domain are analyzed using statistical estimation methods. the value of applying these features into nd is discussed

    （ 3 ）應用統計特徵估計方法，分別對渦輪泵試車數據的時域特徵和頻域特徵進行了統計分析，並討論了這些特徵在新異類檢測中的應用價值。
  6. Baesd on the theory that moving target detectability can be enhanced by joint space - time processing with the application of frequency features and targets " characteristics, we focus our attention on particularies of sonars " target detection using underwater acoustic techniques and vehicle detection using computer vision techniques

    本文注重在理論指導下的特殊性研究，即在聯合利用時間信息、空間信息、頻率信息以及目標特徵能夠提高運動目標檢測能力的思想指導下，分別研究了聲納的運動目標檢測和基於計算機視覺的交通車輛檢測。
  7. Based on the comprehensive analysis of the road traffic flow ' s characteristics due to the bus stop without bus bay, the multivariate linear models of the speed and the headway are formed with the variables of the stop frequency, the stop time, the overall length of the stop and its reserve time of the bus and the vehicle flow applying the software of excel, and then the strict mathematical checks are made

    文章首先比較全面地分析非港灣式公交停車影響下道路交通流特徵，然後藉助于excel軟體，構建關于公交停車頻率、公交停車時間、最大公交停車長度及其存在時間、道路流量的車速和車頭時距多元線性模型，並進行了嚴格的數學檢驗。
  8. Transportations give convenience and make huge value to people, at the same time they take transportation accident and environment pollution which has been in the catastrophical level. transportation catastrophe brings the losing life, property and the broken environment which are taken by transportation accidents and negative effects of the transportation activity. the essential character of the transportation catastrophe is sociality. the existing researches divide the transportation accident and transportation pollution into two different fields and seldom study the formation mechanism of the transportation catastrophe and forewarning countermeasure on the viewpoint of catastrophe and social management. based on the viewpoint of catastrophe, macromanagement and integrated the road and water transportation catastrophe which its frequency are higher among the transportation, this paper sets up the forewarning management system of carrier in the transportation catastrophe to find a principle and method of the effec tive defending transportation catastrophe and reducing catastrophe losing by using the methods of association theory with demonstration investigation, the theory of system, forewarning management and countermeasure theory. this paper try to offer a new theory and application approach

    現有研究把交通事故與交通污染割裂開來研究，鮮有從災害的角度和社會層面來系統研究交通災害的致災機理與防範對策。本論文從災害和宏觀管理的研究層面，針對交通運輸中發生事故與環境污染頻率較高的公路、水運交通運輸活動，綜合災害學、系統理論、預警管理理論以及對策學理論，採用理論與實證相結合的方法，研究交通災害中載運工具的致災機理及其預警管理系統的構建，尋求有效預防交通災害和降低災害損失的原理與方法，試圖在交通災害治理方面提供新的理論和實踐方法。本論文以發生交通災害的致災要素? ?載運工具為研究對象，通過公路、水運交通中車輛、船舶造成交通災害的成因、表現特徵和擴展規律的研究，構建了交通災害中載運工具的致災機理模型。
  9. The main work is as follow : the pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. using this method we may get different grey vehicles from the background exactly. used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition ; improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines ; and to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization ; in the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates

    本文根據智能交通控制與模擬對于交通流量、車輛到達率、車輛速度等交通信息檢測的需求，基於視頻圖像進行了交通信息處理的演算法研究與實現，主要工作包括以下幾個方面:將先鋒遺傳演算法應用到圖像閾值分割中，利用先鋒遺傳演算法尋求全局最優閾值，可以比較準確的將圖像中不同灰度的車輛從背景中分離出來;採用支持向量機理論進行了車輛自動分類的模擬研究，模擬結果證明該方法能夠比較準確的將車輛的類型進行識別;改進了基於背景自動更新的虛擬檢測區域演算法，提高了車輛檢測的實時性和準確性;並對基於虛擬檢測區域的圖像處理演算法實現進行了詳細說明;論文中還介紹了基於灰度連續性的運動車輛特徵提取演算法進行車輛的特徵提取以及採用彩色過濾器同灰度圖處理相結合的定位方法進行車輛牌照定位的實現方法。
  10. It is important in theory and applications to study the detection and segmentation of object identifying character image in video sequence, which is used in content segmentation of image sequence, high efficient representation, transportation, storage and interactive control, image content searching, recognition and tracking, security barrier of communication network and information etc. in this thesis, is studied the segmentation and recognition of mobile identifying character image in video sequence

    序列圖像標識文本的檢測與分割技術的研究具有重要的理論和實際意義。比如，在圖像序列的內容分割、高效表徵方面；圖像信號的高效傳輸、存儲與按內容的互動式控制；特定內容的搜索、識別與跟蹤、以及按信息內容建立對信息和通信網路的安全屏障等。這里著重研究車流視頻圖像標識文本的分割與識別技術。
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