高態有效信號 的英文怎麼說

中文拼音 [gāotàiyǒuxiàoxìnháo]
高態有效信號 英文
active high signal
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 有效 : effective; valid; efficacious
  1. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了電子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型；第三章推導了mosfet的大信號模型，這兩類模型不同於傳統模擬軟體例如pspice中的等效電路模型，而是從模型方程出發，採用數值模擬的方法，提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型，雖然借鑒了pspice模擬軟體中用等效電路模型的方法，但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型，可以根據這些模型編寫相應的模擬軟體，這樣在做器件的模擬分析與器件設計的時候，就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性，有利於抓住器件工作的本質特性，設計出符合要求的各類通用和特殊器件。
  2. Also it is discussed how to improve loading performance and the actual results using invariance theory. by the feedforward signals of velocity and acceleration, it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent. in this thesis, i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system

    本文的目的就是設計、調試帶有彈簧桿緩沖結構的單通道電液伺服加載臺，通過試驗比較、驗證不同控制演算法的工程實際效果；分析和研究應用結構不變性原理如何改善加載系統的動態性能，目的是通過引入速度和加速度的復合前饋信號將系統的動態頻帶提高到15hz左右，並且有效的抑制力加載系統固有的多餘力矩，抑制比要達到80以上。
  3. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障，本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上，從小波分析原理出發，利用小波變換檢測突變信號的原理，以零序電流、模電流等為研究對象，結合方向高頻保護的原理，設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  4. The system will display the gate status, the thunder status and fire signal status. it allows the management clearly receiving running status of all facilities and subsystems in the central control room. the system graphically displays the alarm position, informs management by phonetic alarm and provides relevant disposal method for the management, which reduce cost of undesired contingency

    虹口稅務局基於節能和高效管理的考慮，在夜間，如果雙鑒探頭檢測到有人活動，則自動控制燈光開啟與關閉，同時聯動視頻進行錄像，並在界面上實時反映門的開關狀態防雷的狀態消防信號的狀態等，讓機房管理人員通過機房監控系統統能夠全面地了解機房內所有設備和子系統的運行狀態，並形象地顯示報警發生的位置，進行語音提示，同時提示相應報警的處理方法，將損失減少到最小。
  5. An effect that occurs when a signal is sampled at a rate less than twice the highest frequency present in the signal. the subsequent signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal

    以低於信號中最高頻率兩倍的頻率進行信號取樣時出現的一種效應，即當由取樣狀態還原時，還原后的信號將不再含有原來信號中的高頻成分，並將顯示出虛假的低頻信號。
  6. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。
  7. The study shows that with the method offered the useful information reflecting the condition of the reciprocating pump can be effectively extracted from the highly noised signal by soft - thresholding de - noising method at the power end of the reciprocating pump

    通過對振動信號的波形特徵提取表明，該方法能在很高的背景噪聲下有效提取反映往復泵狀態的有用信息。
  8. The circui t construct ion and the relevan t schemes of the realization of the circuit are also provided, simultaneously, the source of errors and the compensation methods are discussed. all of analysises, calculation results and simulations demonstrate that the methods presented in the paper are feasible, the algorithm is effective, the realization of circuit is simple, the procedures of the design are standard, the circuit is easy to be fabricated on a monolithic, and the system can be used for processing middle - high frequence signal and be applied in low - voltage, low - power and at high speed

    在此基礎上，本文首次提出了一種基於狀態空間對數域濾波器的一維連續小波變換實現方法、結構以及相關模塊電路實現的策略，並對該方法的誤差來源與補償措施進行了討論。論文中的理論分析與計算以及模擬結果表明，用對數域狀態空間濾波器實現一維連續小波變換的方法可行，演算法簡單、有效，電路實現簡單，設汁過程規整，易於單片集成，適合處理中、高頻信號並運用於低電壓、低功耗、高速的場合。
  9. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過
  10. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem ， an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出壓電諧振濾波器不能很好地濾除高頻諧波的問題，結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率，從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題，提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性，具體分析了改進型雙端固支微梁靜電激勵諧振濾波器，理論推導證實基於雙端固支微梁的各階振型正交的原理，通過適當調整激振電容的間距，雙端固支微梁的高階振動模態受到很好的抑制，因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過
  11. For multi - granularity application, both a lambda - group model used in traffic grooming and a new intelligent switching fabric based on the new model were presented. the optical switching fabric presented a distinctive approach of dividing granularities into specific tunnels for effective optical treatment. in addition, two key dynamic algorithm modules of configuration for granularity separation in the control layer were discussed. simulation results show that the method of particular channel partition can greatly improve the average channel quality and the blocking performance along every optical path for dynamic connection requests

    針對多粒度應用，開發了一種用於流量疏導的波群模型，並引入一種基於此模型的新型智能交換結構.該光交換結構提供了獨特的區分粒度到相應隧道進行有效處理的方法.此外，還討論了控制層粒度分離時採用的兩個關鍵的動態演算法模塊.模擬結果顯示這種特殊的通道分離方法有效提高了處理動態連接請求時每個光路徑的平均信號通道質量和阻塞性能
  12. Results of computer simulations prove that the mud has higher sinr value, effective mai cancellation, better near - far resistance capability than decorrelating mud. so it ' s feasible and reasonable. simulation results also show that the lms algorithm can exactly converge to stationary value, works well on ber properties and adaptively detects the users " signals

    實驗模擬表明穩態時這種結構的檢測器可獲得高於解相關檢測器的信號干擾比，能夠有效地抑制多址干擾，具有良好的抗遠近效應能力；採用lms自適應演算法時能夠準確收斂到穩態解上，較好的實現自適應檢測。
  13. Although xpm can cause system performance degradation, it finds significant applications in all - optical high speed signal processing, since its response time is very

    盡管交叉相位調制對系統性能有較大影響，由於其非線性效應的瞬態響應特性，在高速率全光信號處理方面它卻有其獨特的用處。
  14. By means of the proposed reinforcement learning algorithm and modified genetic algorithm, neural network controller whose weights are optimized could generate time series small perturbation signals to convert chaotic oscillations of chaotic systems into desired regular ones. the computer simulations on controlling henon map and logistic chaotic system have demonstrated the capacity of the presented strategy by suppressing lower periodic orbits such as period - 1 and period - 2. meanwhile, the periodic control methodology is utilized, the higher periods such as period - 4 can also be successfully directed to expected periodic orbits

    該控制方法無需了解系統的動態特性和精確的數學模型，也不需監督學習所要求的訓練數據，通過增強學習訓練方式，採用改進遺傳演算法優化神經網路權系數，使之成為混沌控制器，便可產生控制混沌系統的時間序列小擾動信號，模擬實驗結果表明它不僅能有效鎮定混沌周期1 、 2等低周期軌道，而且在周期控制技術基礎上，也可成功將高周期混沌軌道（如周期4軌道）變成期望周期行為。
  15. The multiscale model is not only capturing the several important ways in which a data analysis or signal processing problem can have multiscale characteristic, but also leading to an efficient and highly parallelizable algorithm for optimal estimation of stochastic processes

    此模型的的建立不僅是獲取具有多尺度特徵的數據分析或信號處理問題的一種重要方式，同時，利用它還可以為最優估計隨機過程的狀態變量誘導出高度有效、并行迭代演算法。
  16. It can separate the real signal from noise signal effectively and attains the purpose of de - noise by using time - frequency localizing anslysis, local feature abstract, time - change filter wave, restraining or attenuating some frequency range and other characters of wavelet. furthermore, the ratio of signal to noise has been improved greatly and it is not affected by signal state

    而利用小波分析的時頻局部化分析、局部特徵提取和時變濾波、抑制或衰減某些頻率區間等特點，能更有效地把真實信號和噪聲信號區分開來，達到消除噪聲的目的，並且這種方法恢復的信號，信噪比有明顯的提高，還不受信號的狀態的影響。
  17. In this paper, the method of in - bore abnormal phenomenon remote detecting is presented. considering of the multi - channel transient signals automatic acquisition, a project of pcm signal hardwire transmission data automatic acquire system is put forward. in this system, a pcm demodulate board is designed, it can decode the pcm code string which contain the information of the multi - channel transient signals, it also can catch the useful data automatically, and transmit these data to upper pc by rs485

    在該系統中，為了能夠解調出包含多路動態信號數據的高碼速率pcm信號，設計並製作了一種適用的pcm解調板，能夠從pcm碼流中恢復出位時鐘信號，從而與發送端保持位同步和幀同步，從而對pcm碼流可靠地解調、緩存，並能根據計算機設定的觸發條件自動地捕獲多路信號的有效段，然後利用rs485總線將這些數據可靠地遠傳至計算機以供顯示、分析和保存。
  18. In order to deduce the effects on dynamic performances, a method by using prediction filter is introduced. to minish overshoot subsection of input signal with exponent is adopted. these methods are proved by mathematic simulation

    針對動態高型控制方法使系統動態性能變差的問題，提出了利用預測濾波技術改善系統動態性能的方法，進一步提出了利用指數函數將階躍輸入信號分段以降低系統超調量的方法，並通過數學模擬驗證了這兩種方法的有效性。
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