閾值控制 的英文怎麼說

中文拼音 [zhíkòngzhì]
閾值控制 英文
threshold control
  • : 名詞1. [書面語] (門坎兒) threshold; doorsill2. (界限; 范圍) threshold
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟進行修正,用修正後的作為小波
  2. In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer

    本系統由計算機步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,確定,圖像二化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。
  3. The effects of air ' s absorption of heat, scatter, turbulent and thermal blooming on the laser beam transmitting under the air breakdown threshold value are analysed when laser transmit in the air and the result can be used designing of the laser system

    摘要系統分析了激光在大氣中傳輸時在擊穿以內,由於大氣汽溶膠的吸收、散射、大氣湍流、大氣熱暈等線性非線性問題對光束系統的影響,為激光系統提供指導。
  4. The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting

    本系統由計算機步進電動機的運動,進而驅動指示表表針的運動,通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等,最終快速識別出表盤指針所處位置,最後根據國家指示表類檢定規程所定的演算法檢定出指示表的各種精度,本系統所採用的圖像處理演算法運算量少,速度快,從而大大提高了系統的實時性。
  5. The designed circuit includes amplifier - filter circuit, agc circuit and floating threshold setting circuit mainly

    設計的電路主要有放大-濾波電路、自動增益電路和浮動電路。
  6. We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    文中我們將一有色噪聲看作不可輸入的擾動,採用基於pi的多采樣速率器以消除由此不可輸入所造成的對系統輸出(交換節點緩沖區隊列長度)誤差的影響,使得系統輸出(隊列長度)穩定在附近。
  7. A control scheme for packet acquisition is described in this paper, which is an adapitive threshold control system for packet acquisition

    摘要提出一種自適應報文分組捕獲閾值控制方法。
  8. Based on the mechanics calculation and motion simulation of the pallet draught device, the force control threshold value and the force control curve of a new type 60m ^ 2 sintering machine were obtained

    在對臺車執行牽引裝置進行力學計算和運動模擬的基礎上,得到了新型60平分公尺帶式燒結機的力和力曲線。
  9. ( 4 ) since there is no perfect theoretical guide, the characteristics of orthogonal wavelet, semi - orthogonal wavelet and biorthogonal wavelet in signal decomposition and reconstruction are compared, and the conclusion of the study demonstrates that semi - orthogonal wavelet is a good wavelet for fault diagnosis in tilting control system of tilting train. a new approach is presented for deciding the fault threshold. ( 5 ) a generalized wavelet neural network is put forward by integrating wavelet analysis with neural network

    ( 4 )針對小波基的選擇缺乏完善理論指導的實際情況,通過對常用的正交、半正交、雙正交小波基提取信號特性的比較,確定出了適合擺式列車傾擺系統故障診斷的小波基? ?半正交小波基,並提出了一種新的確定故障檢測的方法,可以快速地檢測出故障發生時刻。
  10. At the same time, an automatic gain control and floating threshold setting intelligent detecting and processing method based on linear ccd is proposed, and the disposal and transform of ccd video signal is carried out by hardware and software

    提出了一種基於線陣ccd的自動增益和浮動的智能信號檢測與處理方法,用硬體和軟體實現了對ccd視頻信號的進行處理和變換。
  11. The core of floating threshold value system is the data sampling technology. we will introduce the key chip - tlc5540 and tlc5615 and utilize mcs51 to control the whole system in the article. it examines the original signal from the hgcdte sensor and realizes the control of floating threshold value

    浮動系統的核心是數據採集技術,文中介紹了核心晶元tlc5540和tlc5615 ,利用mcs51單片機整個系統,對hgcdte傳感器輸出的原始信號進行檢測,實現了智能浮動閾值控制;同時闡述了性能先進的核心晶元? ? ad603及其應用於agc放大器的特殊性。
  12. At the same time, liquid crystal science harvests satisfyingly, its research field has extended to physics, chemistry, electronics, biology, etc. surface orientation of liquid crystal molecule ( lcm ) is a key technique in the application of lcd, the effect of orientation plays an important role in the basic performances, such as uniformity, visual angle, aberration, response, threshold of voltage and so forth

    液晶自1976年在世界上首次應用於計算器的顯示屏以來,就以其輕量、薄型、能耗低、顯示面積大等優勢在顯示應用方面得到迅猛發展,而同時,液晶科學也得到了全面發展,研究領域遍及物理、化學、電子學、生物學等各個學科。液晶分子取向技術是液晶板顯示應用中的一個關鍵技術,取向程度的好壞對液晶顯示器的均勻性、視角、色差、響應速度、電壓等基本性能都有重要影響。
  13. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  14. After introduction of the tranlinear loop principal, the bjt current controlled conveyor has been designed by using mixed tranlinear loop voltage follower. as for modern integrated circuit, the model of mos transistor, the active resistance and the current mirror integrated circuit formed by mos transistor are introduced. the cmos current controlled conveyor has been derived from mixed tranlinear loop cmos voltage follower based on weak inversion operation

    針對現代集成電路的工藝,本文對mos晶體管的工作原理進行了簡要的敘述,討論了有源電阻和電流鏡的實現方法,並利用mos晶體管的亞特性組成混合跨導線性迴路完成對應的電壓跟隨器的設計,推導出了基於cmos技術的電流傳送器。
  15. The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed

    首先分析了系統的總體結構,提出了一種基於dsps處理板+單片機板的信號機實現方案;在此基礎上,重點介紹了處理板模塊化的硬體電路設計,其中考慮了晶元的選型、實現方式的選擇、工作機、時序匹配等問題;之後,分析了otsu單目標識別和多目標識別的效果,重點選擇後者在硬體電路板內對圖像進行了目標識別的演算法處理,結合背景的剔除、形態學膨脹等幾個減小誤差的措施,對車輛排隊長度進行了較為精確的提取;最後在板上完成了干線a - b信號聯動和基於can總線的區域聯網的通訊方案設計。
  16. In this paper we discuss mca circuit, the sequential logic for mca data collection, for the setting of the uld, lld and the gain of pga, as well as the combinational logic for decoding circuits of the computer interface, based on cpld

    本文詳細論述了利用cpld實現的脈沖幅度多道電路及其數據採集的時序邏輯、設定和程式放大倍數設定的時序邏四川大學碩士學位論文輯、以及與計算機介面的譯碼電路等組合邏輯。
  17. The application of bp neural network to speed control system on usm is discussed, and a program is designed for training the bp neural network by matlab ’ s nntool, a three layers neural network of 2 - 8 - 1 is determined through simulation, then write the weights and biases of the nn into dsp to make on - line training, and it reaches the purpose of controlling usm ’ s speed

    利用matlab7 . 0中的神經網路工具箱進行結構設計和離線訓練,通過模擬實驗最終確定了2 - 8 - 1的三層網路結構,將訓練后得到的權結果寫到dsp中,進行過程中給定速度的在線訓練,從而達到電機轉速的目的。
  18. All the power devices including main switches and auxiliary switches are in soft - switching condition ( zvs or zcs ), while the freewheeling diodes are turned off in zero current condition. besides, the control of resonance between inductance and capacitor can be easily realized without needing of setting the threshold values of the inductance current

    該電路中主開關和輔助開關均滿足zvs或zcs條件,續流二極體也工作在軟關斷方式,並且電感和電容之間的諧振不需要設定電感電流邏輯簡單,可實現四象限運行。
  19. To be dealed agaist extended data, this thesis has improved on and come true arithmetic of time sequence model, and amended conventional decision tree arithmetic, introduced the decision tree arithmetic for extended data, namely threshold value control approach. according to threshold value and concept hierarchy, threshold value control approach can set up the concise and statistic classification tree. at the same time, based on the theory of the concept lattice, this thesis introduces the arithmetic of mining association rules based on quantified concept lattice reduced by uncertainty coefficient

    針對泛化后的數據,本文改進並實現時間序列模式發現演算法;修改了傳統的決策樹演算法,提出了一種適合於泛化數據的決策樹構造演算法:製法,製法通過和概念層次的,可以建立簡潔明了、具有統計意義的分類樹;在概念格理論基礎上提出了基於不確定系數法挖掘關聯規則的演算法。
  20. The method to control chaos by using uniform phase space compression is applied to economic systems in this paper, and a new stabilization method celled threshold stabilization method that suppresses chaos by adding upper hound or and lower bound to state variable is developed according to the characteristic of economic systems

    摘要把利用相空間壓縮來混沌應用於經濟系統, ?針對經濟系統的特點引申出製法,即通過限變量取的上限或(和)下限來達到混沌的目的。
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