probability current 中文意思是什麼

probability current 解釋
概率量
  • probability : n 1 或有;或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率,...
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  1. Probability current density

    幾率淋度
  2. Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated

    本文主要通過兩種不同的色噪聲近似理論,分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。
  3. The first part is a statistical study about the probability of wave breaking and the fraction of sea surface covered by breaking water ( ie. whitecap coverage ), while the second part is a dynamical study about the influence of nonuniform current fields on the breaking of short wind waves

    本文內容包括兩個部分,第一部分是風浪破碎率和白浪覆蓋率等破碎統計特徵量的統計學研究,第二部分是非均勻流場對短波破碎影響的動力學研究。
  4. Based on the current research achievements on durability under chloride environment, probability theory, structural reliability theory, concrete structures theory, neural network theory and structure dynamic theory are employed comprehensively in this dissertation. some problems of durability of reinforced concrete structures under chloride environment were studied through the exploitation of experimental data, the rule of chloride ingress and steel bar corrosion, the performance of corroded member, and residual life prediction. the main issues and results in this dissertation are as follows : 1 、 the probability method for the prediction of durable life based on the stipulated reliability index for concrete structures under chloride environment is presented in this dissertation

    本論文在國內外對氯離子侵蝕環境下混凝土結構耐久性研究成果的基礎上,綜合運用概率理論、結構可靠性理論、混凝土結構理論、神經網路理論、結構動力學理論等基本理論和方法,結合實際檢測數據,按照氯離子侵蝕、鋼筋銹蝕、銹蝕構件性能、銹蝕構件壽命預測的思路對氯離子侵蝕環境下鋼筋混凝土結構耐久壽命預測的有關問題進行了深入系統地研究,完成以下主要研究工作並取得相應成果: 1 、提出了氯離子侵蝕下基於規定可靠指標的混凝土結構耐久壽命的概率計算方法。
  5. The analysis includes these factors - current : channel and bridge structure. it puts forward the importance and value of the study with the probability evaluation of each factor act on the navigational safety

    根據可靠性理論分析橋區河段水流、航道及橋梁結構等影響船舶安全航行的因素,並對各因素影響船舶安全航行情況進行概率評估,從而提出本課題研究的重要性及意義。
  6. In order to resolve the problem of low accuracy, computing overhead and the high false negative probability that the current detection technology suffered, the protocol misuage detection becomes one of the research fields in the development of network intrusion detection

    針對基於模式匹配方法的誤用檢測技術存在的檢測率低、計算量大和高漏報率等問題,使用協議分析方法實現異常檢測技術成了網路入侵檢測的重要研究方向。
  7. The proposed method combines the detection probability and temporal tracking information at each time step, therefore outperforms current frame based detection and traditional tracking methods

    通過在每一時刻將人臉檢測信息融入粒子濾波器的時序信息積累和傳播機制中,演算法取得了優于逐幀檢測和傳統跟蹤演算法的性能。
  8. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  9. Finally, we propose a main road model in city traffic according to the improved ns model with open boundary conditions, and study some characters about this model with different parameters. our purpose is to find out the actor which influent the main road ' s average speed and current, and also the law of city traffic. then we can give some advise for managing and controlling the main road trffic. organization and self - organization cooperation in this model is discussed. the effect of roads ' length, the number of intercections and their positions is self - organization, and the effect of the deceleration probability, the injection ( extinction ) rate, the cycle times of traffic lights is organization. we analyse the effect of the parameters above separately

    最後,在開放邊界條件下改進ns模型的基礎上,建立二維城市主幹道模型,研究不同參數條件下模型的性質,找出影響主幹道流量、速度的因素及城市交通流變化的規律,給出適當的參數匹配,為主幹道管理和控制提供依據。主幹道模型由一條東西向的主幹道和若干條南北向的支道組成,在支道和主幹道的交叉路口上設置紅綠燈,交叉口上的車輛可以轉向行駛。
  10. By the method of unified colored noise approximation and the transformation of noise terms in langevin equation, the corresponding fokker - planck equation is obtained. the steady state probability current is derived according to the conservation law of probability

    通過統一色噪聲近似和朗之萬方程中的耦合噪聲項的變換,可得到相應的福克?普朗克方程,再根據幾率守恆定律推導出定態幾率流。
  11. What ' s more, the credit enterprises are not in a closed system, they would be inevitably influenced and confined by macroeconomic and market environments. according to the current domestic situation, and based on previous domestic studies with only financial ratios, this paper extends the logit regression model by integrating financial and non - financial factors, considering lag of macroeconomic factor and eliminating interindustry effect for the prediction of financially distressed firms. the proposed eight - factor index system is used to calculate the probability of default

    鑒于傳統的以財務因素分析為主的企業信用風險研究的局限性,將信用風險因素分析作為研究重點之一,採用因子分析和逐步判別分析相結合的方法,在綜合考慮財務和非財務因素的基礎上,分別建立了基於原始財務指標(模型i ) 、行業相對財務指標(模型ii ) 、行業相對財務指標和非財務指標(模型iii ) 、行業相對財務指標和考慮宏觀滯后影響的非財務指標(模型iv ) logit回歸模型,並運用國內相關數據進行了實證,最終作者提出的8參數指標體系將用以進一步測算企業的違約概率。
  12. The current monetary policy stance of the us is entirely appropriate for hong kong, if our economic recovery is to be sustainable and the probability of another destabilising bubble reduced

    若想香港的經濟復甦得以持久,並減低另一次泡沫形成的風險,以避免損害經濟穩定的話,那麼對香港來說,美國目前的貨幣政策立場是十分適合的。
  13. Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line

    本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時,建立了桿塔的分佈參數計算模型,此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂時,導線運行電壓相位角的隨機性,本文假定雷擊出現于交流一周期的任一角度區間內的概率相等,提出了利用統計法計算同桿雙回線路的反擊跳閘率。
  14. Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field, we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability ". the " image " of the field sources underground, or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed, from which we can get the outline of the geological anomaly on the meaning of the probability

    大地電磁場概率成像方法是一種新的地球物理成像反演方法,它是根據在大電磁波場的激勵下,地下介質電阻率間斷處產生感應電荷積累和導體內部產生感應電流,從而產生感應電磁場的原理,相應地定義了感應電荷發生概率函數和感應電偶極子發生概率函數,通過「相關概率」發生的大小的空間分佈,建立了地表觀測場與地下場源空間分佈的內在聯系。地下場源分佈概率的「像」 ,即測區的感應電荷和感應電流的概率的分布圖像,就是測區內地質體在概率意義下地質異常體的分佈輪廓。
  15. With the time - evolution operator obtained by means of su ( 2 ) spin coherent states we are able to derive analytic time - evolution of spin probability - current between the two quantum dots for various initial states

    我們利用su ( 2 )自旋相干態獲得包括庫侖相互作用hubbard模型的時間演化算符,得到解析的含時自旋流。
  16. Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers

    低fr水流的核心是波浪問題,為了低坎分流墩的推廣應用,本研究以低fr水流的表面波浪作為研究對象,通過物理模型試驗,對各種分流墩方案消能工的下游水面波浪要素、流速分佈進行測試,分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分佈及功率譜特性變化規律,從而揭示了低坎分流墩的削波機理。
  17. Two admission control algorithms are proposed for td - scdma system. the successful admission probability, the lost call probability and the quality of service etc. are analyzed by the means of simulation. one of the above is used in the current development of the product by considering many factors

    本文提出了兩種接納控制演算法,並通過模擬比較了它們在接納成功率,掉話率和服務質量等的性能.綜合各種因素從中選擇了一種用在當前開發的系統中
  18. With the current condition, the paper raises the point of synchronization in the qe1 ' s development, including the synchronization of bit, frame, multiframe and network and analyses the performance frame synchronization system based on the theory of probability and finally explains the realization of the technology of synchronization. the hardware circuit diagram of qe1 and some software flow chart have been offered in the paper

    在針對qe1中繼板卡系統實際的開發情況后,本文分析了該系統所涉及的同步問題(包括位同步、幀同步、復幀同步和網同步) ,在概率論的基礎上分析了qe1系統的幀同步系統的性能,並研究了各種同步技術在qe1中的實現。
  19. According to current theories, processes early in the big bang spread matter around with a degree of randomness, generating all possible arrangements with nonzero probability

    根據目前的理論,早在大霹靂時發生的一些過程,會把物質以相當程度的隨機性加以散布,因此所有可能的排列組合都會有非零的或然率產生。
  20. The steady state probability current is calculated for different values of colored noise correlation time in different periods

    求出了不同周期中對應于不同的噪聲關聯時間的定態幾率流。
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