detection characteristic 中文意思是什麼

detection characteristic 解釋
檢波特性
  • detection : n. 1. 探知;發現,發覺;敗露。2. 【化學】檢定,檢查;【電訊】檢波。
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character

    此外針對傾斜車牌區域的定位分割問題,提出了基於灰度變化特性和方向場計算的定位演算法,其中詳細討論了數學形態學運算元在目標區域粗定位中的應用,重點介紹了方向場計算理論和實現方法,並將其應用於目標區域傾斜角度的檢測,根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正,為后續的字元分割打下良好的基礎。
  3. We do research on the transitions between states of network protocol, the protocol misusage detection model based on markov chain, the framework of the ids technology and protocol anormity after we discuss the current technology. the main research contents of this paper include : research on transitions between states of network protocol and session process, protocol misuage and the anomaly detection model based on markov chain, the research of intrusion detection framework, more accurately model based on the characteristic of the network traffic and so on

    在分析了現有入侵檢測系統的基礎上,本文圍繞典型網路協議狀態轉換、基於馬爾可夫鏈的檢測模型、入侵檢測技術框架、以及協議異常等幾個方面展開深入研究,主要工作內容包括:典型網路協議轉換狀態的分析和會話過程的研究;基於馬爾可夫鏈的網路異常檢測模型;分散式的檢測架構;針對網路流量特徵而提出了精確的檢測模型等。
  4. In this paper, we study focus on building intrusion detection model based the technique of data mining ( dm ). firstly, the paper designed a scheme to modeling intrusion detection based dm and bright forward the idea of descriptive model and classified model to intrusion detection. secondly, we designed and implemented a net data collection system with high performance and a scheme to pretreat net data. thirdly, after studying the algorithms to mine association rule and sequence rule in net data, we extended and improved the algorithms according to the characteristic of net data and the field knowledge of intrusion detection

    首先設計了基於數據挖掘技術的入侵檢測建模方案,提出使用該技術建立入侵檢測描述性模型和分類模型的思想,並用分類判決樹建立了入侵檢測分類模型;其次,設計和實現了一個高性能的網路數據採集系統和網路數據預處理的方案;然後,在對關聯規則挖掘和序列規則挖掘演算法進行研究的基礎上,結合網路數據的特性和入侵檢測領域的知識對演算法進行了擴展和改進,挖掘出了網路數據的關聯模式和序列模式;最後,研究了描述性模式的應用,並設計出基於模式匹配的入侵檢測引擎,該引擎具有誤用檢測和異常檢測功能。
  5. Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

    論文圍繞「交通誘導與控制」這一中心展開,探討長大隧道交通誘導與控制設備及其控制誘導方式;結合國內外對交通流模型研究的成果,提出一套適合長大隧道交通流特點的交通流模型;並針對目前國內長大隧道的普遍設計方式,模擬一個帶有普遍性特徵的長大隧道,確定了關于交通誘導與控制方面的參數(隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等) ;以此模擬隧道為基礎,進一步探討隧道的具體控制與誘導方式;簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式,隧道控制系統的網路架構;最後通過編程實現控制與誘導子系統的計算機模擬,討論關于模擬隧道數據庫的構建,具體編程實現等。
  6. The technology of identification based on iris is researched in the article, the key point of the technology is the iris characteristic acquisition and recognition, therefore based on the iris image texture characteristic, using the wavelet transforms to get the characteristic of iris image, a new method named zero - crossing detection and secondary circle coding is used in the article

    本文研究的就是用虹膜進行身份識別的技術,該技術的關鍵是虹膜特徵提取和識別。基於虹膜圖像的紋理特徵,利用小波變換來提取虹膜圖像的特徵,本文提出了基於小波過零檢測的循環二次編碼的方法。
  7. And an intelligent fault detecting system is established. starting from analyzing the possible faults existed ; relations between the fault patterns of the wall - climbing robot and the characteristic signals are established. so the problem of fault detection of the robot is in essence a problem of pattern recognition

    主要內容如下:對壁面機器人的可能故障進行分析,總結系統可能的故障類型,並選擇體現不同故障類型的特徵信號,構建系統的故障空間和故障徵兆空間,建立了兩者之間的映射關系,並在此基礎上制定了故障診斷方案。
  8. A fluorescent reagent membrane was prepared with ru ( phen ) 32 + as raw material and cellulose acetate as carrier, after the study of oxygen ' s quenching function for this fluorescent reagent, the extreme sensitive oxygen quenching function of this fluorescent reagent and its characteristic of fitting the detection of hypoxia environment were discovered

    論文以釕( ) -鄰菲咯啉為原料,醋酸纖維素為載體制備了熒光試劑薄膜並對它的氧猝滅性能進行了研究,發現它具有極為敏感的氧猝滅性能並適用於低氧濃度的檢測。
  9. To study blue - green laser light scattering and polarization status changes in the ocean, is used to resolve the relative problem of optical communication, detection and imaging under water. in the paper, sea water characteristic of absorption and scatter - ing, and intrinsic optical character and extrinsic optical character of sea water are summed up ; the scattering theories of sea water, including rayleigh scattering, mie scattering by spherical particles and polarization theories of mie scattering, are described in detail

    研究藍綠激光在海水中的散射特性以及由散射引起的退偏現象,是為了解決水下通信、探測、成像的相關問題。本文綜述了海水對光的吸收、散射特性以及海水的內在光學性質和外在光學性質;詳細介紹了海水的散射理論,包括瑞利散射、 mie散射以及mie散射的偏振理論。
  10. Characteristic infrared radiation detection

    特性紅外線輻射探測
  11. In the paper, using the cg lightning data obtained from shandong lightning detection network in 1998 - 2002, the cg lightning spatial and temporal characteristic is analyzed systematically. the result shows that negative cg flashes predominate in total cg lightning, and negative lightning is about 6 times as much as positive one

    本文利用山東省雷電探測網1998 - 2002年獲取的地閃資料,對山東省的雲對地閃電的空間和時間分佈特徵進行系統分析,得出了山東地區地閃的氣候特徵:雲地閃電中負閃占絕大多數,負閃是正閃的6倍多。
  12. The article will join together at that moment chinese the public the culture background passes to emphasize to investigate a series of television in etc. of detection 》 memorials program to the 《 in the same way system, section, humanities, pass to their the text of the some period program this read, proceeding to recount the style with the analysis that appreciate beauty characteristic etc., as to it ' s see to order inside with the construction, story and the analysis of details etc. details, find out its together of development trend, tally up the development that a television for first has the possibility, can can be carried out record the road of the slice. and this text meeting makes at that moment several the problem that is a little bit hots putting and proceeds together deep but again meticulous discussion with consider, the profound influence that predict and can produce once

    文章會結合當下中國的大眾文化語境通過著重對《探索發現》等一系列的電視紀實類節目如法制類,科普類,人文類,通過對他們某期節目的文本解讀,進行敘事風格和審美特性等方面的分析,對其中視點與結構,故事與情節等細節的剖析,找出其共同的發展趨勢,總結出一條具有可行性,可以行得通的電視紀錄片的發展之路。而且本文會將當下幾個比較熱點的問題放在一起進行深刻而又細致的討論和思考,預測一下可產生的深遠影響。
  13. The characteristic of anomaly traffics is that it breaks out without any omen and can destroy networks and computers in a short time ( for instance, the outburst of traffic behavior caused by specific attack programs or worm burst ). therefore, to detect anomaly rapidly and accurately is one of the precondition of ensuring the efficient network operation and detection of anomalous traffic has become the attractive and valuable subject in the present academic and industrial circles

    異常流量的特點是發作突然,先兆特徵未知,可以在短時間內給網路或網路上的計算機帶來極大的危害(例如由特定的攻擊程序或蠕蟲爆發所引起的突發流量行為) ,因此準確、快速地檢測網路流量的異常行為,並做出合理的響應是保證網路有效運行的前提之一,也是目前學術界和工業界共同關注的前沿課題之一。
  14. In order to better detect the image edge information, firstly, non ? linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filter, and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光探測系統中,微弱的回波圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾波技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小波作為原始小波濾波器,採用提升方案構造最優雙正交小波濾波器,應用構造的雙正交小波進行多尺度小波邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定位了邊緣位置。
  15. In order to better detect the image edge information, firstly, non - linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filters and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光探測系統中,微弱的回波圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾波技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小波作為原始小波濾波器,採用提升方案構造最優雙正交小波濾波器,應用構造的雙正交小波進行多尺度小波邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定位了邊緣位置。
  16. The study of ds signals in this article broke through the conventional detection and estimation methods and modeled the ds signals as a cyclostationary random process. in this case, it can be analyzed by the theory of spectral correlation, and then we can finish the parameter estimation of ds signals by its characteristic in the field of spectral correlation

    本文對低信噪比下的ds信號的研究突破常規信號檢測和估計理論,將ds信號建模為周期平穩隨機過程,應用譜相關理論來分析它的譜相關域特性,尋求ds信號的參數在譜相關域的特徵表現,從中提取相應的ds信號參數信息。
  17. The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time

    本文討論了脈寬觸發電路和觸發釋抑電路的實現,採用veriloghdl在fpga中實現了一種峰值檢測模塊,提高了示波表的毛刺捕捉能力,設計的波形記錄( recorder )功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化,並記錄波形數據和及時送顯示。
  18. Aiming at the restrictions of fft methods, this paper put forward a transform naming changing scale discrete chirp - fourier transform and applied it to detecting accelaration target using missle - borne high - prf pulsed doppler radar, at last this paper put forward a new sequential detection method. in the third part of this paper, aiming at the different characteristic of the extended target spectrum, this paper discussed the detecting and precised measuring the extended spectrum of the target

    針對傳統fft對加速目標進行積累檢測時的局限性,提出了一種變尺度離散chirp ? fourier變換並將其應用於彈載高重頻脈沖多普勒體制雷達對加速運動目標的檢測背景中,提出了一種對加速運動目標的序貫檢測演算法。
  19. Aiming at the time - difference of the same source signals, the wavelet characteristic of singularity detection is applied

    對同源信號的時差問題,論文中運用小波檢測奇異點的特性來計算。
  20. This paper proposes an algorithm of financial document recognition based on characteristic line detection

    本文提出了一種高效的、基於特徵線檢取的票據類型識別演算法。
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