small signal power 中文意思是什麼

small signal power 解釋
小信號功率
  • 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...
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  1. Research for the relation between small signal gain coef ficient and pump - energy density of high - power off - axis two - pass amplificati on

    離軸高功率雙程放大系統中小信號增益系數與泵浦能密度關系研究
  2. As a high - power twt, we consider the relativistic effect of the solid beam. the numerical results are given in terms of the small signal gain curve and slow - wave ration curve

    作為大功率的行波管,我們考慮了電子注的相對論效應,數值求解「熱」色散方程,得到脊加載盤荷波導幾何參數和電子注參量與小信號增益的關系。
  3. 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
  4. And power loss analysis of srs and the layout design related to srs are very important to the proper design. with a small signal mathematic model of half - bridge converter, the relationship between performance of power supply and frequency domain characteristics of the system is analyzed. based on the above study and some simulation the system design is completed

    文中在給出了結合單繞組自驅動方案的對稱半橋變換器穩態原理分析、同步整流管損耗分析暨選擇原則、同步整流管相關電路的布局設計后,建立了對稱半橋變換器的小信號數學模型,分析了電源系統時域性能指標與頻域特性之間的聯系,在此基礎上完成了系統的設計。
  5. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體,以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容,主要做了以下工作:建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型,並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點,將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小,設計了三段式預調度演算法:用靜態規劃法求解整個預調度計劃周期內的優化問題;用優先級法求解機組組合問題;用改進的powell法求解最優潮流問題。
  6. The injection - locking technology, characterized by the frequency stabilization, amplification, modulation and etc, has been widely used in the small - signal recovery, frequency synchronization, power synthesis, phase modulation and etc in the microwave, millimeter wave and higher frequency range communication and phased - array systems

    注入鎖定技術具有穩頻、放大、調制等特性,已被廣泛應用於微波毫米波以及更高頻段通信和相控陣系統中的小信號恢復、頻率同步、功率合成、相位調制等。
  7. Applying normal form method, conventional eigenvalue calculation and prony analysis, small signal stability and time domain simulation can be combined efficiently. the proposed method can get nonlinear information which never obtained by past techniques, so it shows a new way for analyze oscillation problems in interconnected power systems

    通過正規形方法、小信號穩定特徵值計算技術、時域模擬、 prony分析的有機結合,達到小擾動和大擾動后低頻振蕩穩定性分析的統一,為互聯系統低頻振蕩分析開辟了新的思路。
  8. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將動力系統非線性分析的正規形理論應用於互聯系統低頻振蕩分析中,利用正規形方法的非線性坐標變換,將高階電力系統轉化為等價的低階系統,在保留非線性信息的同時,使其仍然可以使用常規小信號穩定研究的模式分析方法。
  9. The technique of paralleling current sharing of switching power is introduced ; the small signal model of the single dc / dc module and the multi - module is analyzed

    文中介紹了電源並聯運行的各種均流技術,對單模塊dc dc電源和多模塊電源並聯運行進行了小信號分析。
  10. Then, a power - combiner has an output power over 1watt and a power - combining efficiency of 83 % at 34. 2 - 35. 5ghz was realized. small - signal gain and saturated output power were measured under both continuous wave and pulse wave

    利用小功率晶元設計8路開槽波導功率合成器,給出了連續波工作狀態與脈沖工作狀態的測試結果,包括通帶內小信號增益及飽和輸出功率。
  11. The study of srs in non - linear optic fiber by simulink emphatically. the initial intensities of pump beam and stokes beam are similar, and small signal gain theory needs to amend have been pointed. srs comply with the special growth law, does not have " threshold " characteristics. lt depends not only on the intensity of pump beam but also on the intensity of stokes beam itself. even if the intensity of pump beam is weak, fhe srs effect is maybe still take place. in addition, the problem about srs effect depends on the number of channels, power in each channel and space of the channels, in a dwdm system has been studied

    並著重論述了如何利用simulink研究非線性光纖光學中的受激喇曼效應,指出在光纖通信的情況兩個光束的初始強度相差不多時,小增益理論需要修正。 srs遵從特殊的增長規律,並不具有「閾值」特性。 stokes束的增長不僅依賴于泵浦波的強度,而且也和自身的強度有關系。
  12. In the first chapter, the study background. direction and main content of this paper are presented. in the second chapter, the character and application of motorola dsp chip, the system design of this power supply and a small - signal model of fbps converter are introduced. in the third chapter, the operation of fbps converter is analyzed in detail and the design of hardware is given. in the fourth chapter particular software design and program flow are given. the result and analyse of experiment are given in this chapter too. in the last chapter, summarize of full paper and works followed are given

    本文第一章介紹了課題的研究背景、方向和主要內容;第二章簡單闡述了dsp晶元的特點及其在電力電子領域的應用,介紹了motoroladsp晶元dsp56f8323的性能特點;提出基於motoroladsp控制的移相全橋軟開關dc dc變換器的硬軟體系統設計方案;最後建立移相全橋變換器的小信號模型進行系統分析。第三章分析了系統硬體部分即軟開關全橋變換器的工作原理和工作模式;給出了詳細的硬體設計。
  13. 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
  14. On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also

    根據frsl滿足的單模速率方程,討論了採用frsl進行波長轉換時轉換光的功率特性和消光比,以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。
  15. General seminconductor, inc. is a market leader in the discrete segment of the semiconductor industry with manufacturing facilities in china, france, germany, united states, etc. the company provides customers with a broad array of power rectifiers, transient voltage suppressors and small signal transistors and diodes

    通用半導體有限公司是世界上半導體切片工業的領導者,它的製造廠遍及中國、法國、德國、美國等國家。公司提供多種多樣的整流器、瞬態電壓消除器、小信號晶體管以及二極體。
  16. Eigenvalue sensitivity analysis has been widely used in power system dynamic studies and the controller designs, becoming an indispensable tool in power system small signal stability analysis

    摘要特徵值靈敏度分析已廣泛應用於對電力系統中控制元件的選址和控制系統的參數設計,特徵值靈敏度已成為電力系統小干擾穩定控制設計時一個不可缺少的重要工具。
  17. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。
  18. The purpose of the subject is to design a monitoring system which is small, reliable, low price and complete function for railway signal power, the signal system ' s heart. the system is suitable to the unwatched power room of the locality, while the work such as collecting, communication, alarm and so on is accomplished by the way of long - range control

    本課題研究的目的是為鐵路信號系統設備的心臟?鐵路信號電源設計一個體積小、安全可靠、價格低、功能完備的監控系統,使之適用在當地無人執守的電源室里,而一切諸如採集、通訊、報警等工作都可以通過遠程監控的方式來實現。
  19. 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。
  20. The dq equivalent circuit model of three - phase three - switch boost type power - factor - correction is proposed firstly, the completely dc steady - state analysis and ac small - signal analysis are done and the dc operation points and ac transfer functions are acquired

    3 .首次提出三相三開關boost型功率因數校正的dq等效電路模型,並對其進行了完整的直流穩態和交流小信號分析,得到直流工作點和交流傳遞函數。
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