threshold control 中文意思是什麼

threshold control 解釋
閾值控制
  • threshold : n. 1. 門檻;入口,門口。2. 【心理學】閾限。3. 界限,限度。4. 【物理學】臨界值,閾。5. 入門,開始,開端。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. Economic threshold for the control of apple fruit borer

    桃小食心蟲的防治標準
  2. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。
  3. Under the fractal application, the transitional state rendering method based on t - fbm constraint model is proposed. in this model, the transitional deformation energy is defined as the bi - association between the initial state and the transitional fractal detail, and the fbm constraint is realized by the threshold statistical estimation. furthermore, the regional buffering control and regional harmonic control can offer more abundant and flexible control ways for the rendering of fractal transitional state

    針對過渡狀態可視化的分形應用,提出了基於t一fbm約束的繪制方法,將過渡變形能作為與初始形狀和過渡分形細節之間的雙向關聯,以閉值估計一作為fbm約束因子的具體實現,以區域緩沖與區域調和作為不同約束下的控制手段,很好地在繪制結果中反映出分形性過渡特性的分佈情況。
  4. Control threshold of tea looper

    茶尺蠖防治標準
  5. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    通過給每個用戶指定互相關為0的兩個地址碼分別發送1和0信號以及在接收端採用差分檢測技術,避免了ook (開關鍵控)光通信系統中0不發送光脈沖和ook常規檢測方式下最佳判決門限必須根椐用戶數等外界環境而改變,從而提高了系統性能和降低了系統的復雜度。
  6. The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation

    論文重點論述了以下幾個問題:採用控制項技術,使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上;運用sqlserver的復制功能,構造一種基於分佈數據復制技術的層次式網路監視系統;對網路利用率、出錯及丟棄百分比信息進行分析,找出它們在推算擁塞可能性時的量化公式,並應用於閥值設置,以實現對擁塞可能性進行預警;研究分析在不同范圍內的拓撲發現工具及演算法,並針對系統需求設計實現一種域內分級式網路拓撲發現演算法。
  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. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼,並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬,分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下,可以獲得較短的捕獲時間和較大的捕獲概率。
  9. Meanwhile, the paper analysis shortage of the methods commonly used heating insulating oil, investigate principles of traditional pid control and fuzzy control, integrats the advantage of two control algorithms, makes use of fuzzy + pid control algorithm to control insulating oil temperature, and has designed fuzzy + pid controller. through matlab simulation, validates that wavelet hard threshold vale de - noise method can effectively reduce the impact of random disturbance

    同時,論文分析了常用加熱絕緣油方法的不足,在研究傳統pid控制和模糊控制原理基礎上,綜合兩種控制演算法的優點,在絕緣油介損測量系統中,提出採用模糊+ pid控制演算法對絕緣油溫度進行控制,並實現了模糊+ pid控制器的設計。
  10. 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控制閾值和力控制曲線。
  11. Using an analytic method, we show the ewma weight of friday, i. e. w, can be handled to control the threshold of regarding a bursty traffic as the most aggressive flow

    本文用解析方法證明, fm ay的a加權系數w可用於控制突發業務成為最高速流的容限。
  12. ( 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控制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閾值的方法,可以快速地檢測出故障發生時刻。
  13. This article emphasisly talked about the two kind of technology, commonly used in laser pulse detection - floating threshold value and agc ( automatic gain control ) technology

    文中重點對激光探測關鍵技術? ?浮動閾值和agc技術做了詳細論述。
  14. 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的自動增益控制和浮動閾值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。
  15. 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

    浮動閾值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單片機控制整個系統,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。
  16. 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+單片機控制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、工作機制、時序匹配等問題;之後,分析了otsu單閾值目標識別和多閾值目標識別的效果,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;最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。
  17. The method is based on the theory of statistic random signal and adopts the serial manner. the acquisition judge is performed by automatic threshold control

    該演算法基於統計隨機信號檢測的基本理論,採用串列捕獲的方式,並且利用自適應門限值作為判決門限,完成捕獲。
  18. The anti - lock braking processes based on logic threshold control are simulated in the environment of matlab / simulink software. the influences on logic threshold control abs by the factors such as road condition, initial velocity, the changing rate of braking torque, delay time, inertia and load are discussed at the same time

    運用matlab simulink軟體,對基於邏輯門限控制方法的防抱制動過程進行了計算機模擬,並分析了路面、初速、制動力矩變化率、延遲時間、轉動慣量及載荷等因素對邏輯門限控制abs的影響。
  19. An adaptive threshold control algorithm based on correlation detection

    一種基於相關檢測的自適應門限控制演算法
  20. A mathematical model and its simulation model of fuzzy control based on wheel acceleration and deceleration logic threshold control are presented. a concept of reference velocity is introduced, and a fuzzy rule control table is established

    建立基於車輪加減速度門限值的abs模糊控制器的數學模型和模糊控制模擬模型,給出參考車速概念和模糊控制規則表,並對takagisugeno推理的abs模糊控制系統進行了模擬。
分享友人