small-signal parameters 中文意思是什麼

small-signal parameters 解釋
小信號參數
  • small : adj 1 小 (opp large) 少 (opp large numerous) 細小的;窄小的;瑣細的;些微的;少額的(收入等)...
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  • parameters : 編輯特徵參數
  1. Parameters extraction for hemt small signal equivalent circuit

    小信號等效電路參數提取
  2. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。
  3. 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。
  4. Test method for small - signal scattering parameters of low - power transistors in the 0. 2 to 2. 0 - ghz frequency range

    在0 . 2至2 . 0千兆赫頻率范圍內小功率晶體管的小信號散射參數的試驗方法
  5. In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method

    本文根據熱電製冷系統動態運行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,運用參數耦合的方法把製冷系統、負載、箱體及箱內空氣模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波動共同作用下的熱電製冷器工作特性。
  6. The water turbine regulation system is a complicate auto - controlling system, it ' s small fluctuation dynamic course means : when the water turbine regulation system is interfered by tiny disturbance of load or command signal, the change of different parameters in the system is less, we can thought they are subtle change near by the discussing conditions, so we can make each tache in the system linearization, that is, describe the dynamic specialty of each tache and the whole system by means of linear differential equation

    水輪機調節系統是一個復雜的自動控制系統,其小波動過渡過程是指水輪機調節系統在受到微小的干擾(負荷或指令信號擾動)時,系統中各參數的變化都較小,可以認為是在所討論工況點附近作微小變化,則可將調節系統各環節加以線性化,用線性微分方程式來描述各環節及整個系統的動態特性。
  7. Characteristics of flow - field, total pressure loss / reduction, species distribution ; parameters of reactive domain and mixing mechanism of reactant streams have been investigated. ssg ( small signal gain ) coefficient, utilization of f atom and heat release in reaction have been computed

    討論了該類噴管的流場特徵、組分分佈特點、總壓損失特徵、反應區流場參數和反應流混合機理,並對小信號增益系數、 f原子利用效率和反應放熱進行了計算。
  8. Some important parameters, such as the small signal gain, the saturation gain and the laser output power, are described for a typical sealed - off co2 laser

    然後,對典型的封離型二氧化碳激光系統,討論了小信號增益,飽和增益以及激光的輸出功率
  9. The linear theory of the coaxial disk - loaded cylindrical waveguide twt is built and the dispersion equation with an annular electron beam of this twt is obtained according to self - consistent field theory and the field matching method. the computation results of the hot dispersion equation indicate the relations between the electron beam parameters and the small signal gain

    利用自洽場理論以及場的匹配方法,推導出此結構在小信號條件下的熱色散方程,討論了電子注參量和慢波系統幾何參量與小信號增益和色散的關系。
  10. By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters

    通過數值計算,獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上,建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論,並編製程序,計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系,獲得了增加帶寬或增益的途徑。
  11. At light loads, the architecture allows the chip to “ skip ” cycles to reduce power dissipation. in the circuit design, the basic principle and small signal model of the boost power stage are given at first, and then the stability and small signal model of the control loop are also analyzed, finally, the whole chip architecture and sub - block parameters are presented according to the application requirements

    在電路設計中,首先闡述了升壓型直流轉換器的功率輸出級的拓撲結構、基本原理、小信號模型,然後分析了電流模式控制迴路的穩定性及小信號模型,最後根據應用要求進行了電路的總體架構設計,完成了每個子電路的各種參數的分析、計算。
  12. The influence of various electron beam parameters on the small signal gain is investigated and discussed by the numerical results. 5. the model of the coaxial disk - loaded cylindrical waveguide is manufactured to testify the dispersion properties of this structure

    五、加工了同軸膜片加載圓波導慢波系統實驗模型,用諧振法測得的色散特性與理論數據良好吻合,從而驗證了同軸膜片加載圓波導慢波系統色散特性理論分析的正確性。
  13. Then small signal model for sepic - pfc converter as well as its control scheme is developed and used to optimize regulator ' s parameters. time domain simulations in detail of the converter are carried out and physical and mathematical explanations are given for the results of simulations

    然後研究了sepic - pfc變換器的小信號模型並建立了系統的控制模型,根據控制模型對控制參數進行了優化設計。最後對系統進行了深入的時域模擬研究並給出了模擬結果的物理和數學解釋。
  14. Faced with the fact that there is a great deal of noise in detecting signal when using small amplitude lasting sine current on field, a developed lease minimum squares method is adopted, which makes the parameters of sine sequence with known frequency picked up on the real time. at the same time, original signal is processed by using wavelet theory, gaining true information which responses to the coating quality

    在小幅度正弦恆電流激勵檢測中,針對現場檢測信號含有大量噪聲這樣的情況,採用改進的最小二乘法,實現頻率已知的正弦序列參數的實時提取;同時利用小波理論對原始信號進行處理,得到反映塗層性能的真實信息。
  15. Also the small - signal model is established to design the parameters for system adjuster. the control method is validated by matlab

    建立了系統的小信號模型,基於小信號分析的方法設計了系統調節器的參數,並利用matlab模擬軟體對設計的系統進行了模擬驗證。
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