相對增益 的英文怎麼說

中文拼音 [xiāngduìzēng]
相對增益 英文
relative gain
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝式六面頂壓機上,原有的礦物、巖石電性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗?位分析儀為測試儀器,使用mo電極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖
  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,利用此模型具有重要實用價值的= 1的微腔半導體激光器進行了討論;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,得到了應的激光器的傳遞函數;在大信噪比的前提下,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,分析了其抗噪聲性能。
  3. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,激光陀螺中的介質色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和位特性進行模擬試驗研究,並且運用全量子理論,激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  4. This kind of jamming not only could avoid the process of coherent radar for blanket jamming to improve the utility of jamming power, but also own better jamming effect than pore deception jamming

    這種干擾不僅消除了參雷達壓制干擾的處理,以提高幹擾功率利用率,同時又比純欺騙干擾具有更好的干擾效果。
  5. Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace

    通過pid 、模糊、單神經元等控制策略的分析比較,將單神經元與權值的自適應調節、抗積分飽和等控制策略結合,改進了單神經元控制器演算法,可以有效抑制擾動,減少斷弧、短路等現象的發生,使系統的控制效果和魯棒性都得到強,電弧爐控制系統的設計也具有一定的應用參考價值。
  6. The theoretical part mainly refers to studies of optical parametric chirped pulse amplification. we analyze some basic theories of opcpa, such as phase matching, parametric bandwidth, walk - off in space and time, gain property and so on, and compare the basic properties of bbo, lbo and kdp

    理論部分主要是新興的光參量啁啾脈沖放大技術的位匹配、參量范圍、時空走離、及帶寬特性等基礎理論進行了分析,並常用的bbo 、 lbo和kdp基礎特性進行了比較分析,這于光參量啁啾脈沖放大系統的設計具有一定的實際意義。
  7. The model - free pid control method with neuron tuning gain and the neuro - fuzzy control method for a constant cutting force metal turning process system are proposed. the former method keeps the cutting force to be constant by using the neuron to change the pid controller gain on - line. the latter method construct the fuzzy neuron controller by combing the fuzzy controller and the neuron controller

    具有非線性和不確定性的機械加工切削過程,提出了神經元自整定的pid控制方法和模糊神經元非模型控制方法,前者採用神經元來在線調整pid控制器的,後者將模糊控制器和神經元控制器結合構成模糊神經元控制器,這樣當象特性隨切削深度的變化而變化時,所設計的控制器能保持切削力恆定,使系統穩定並具有滿意的動態品質。
  8. Biology and chemislry etal ln thi s dissertation, the theory of femto - second pulse laser amplifier system using tifsapphire crystal was discussed systematically and many methods were brought fonvard to resoive the probably existed problems in each part of the system base d on the achieved results, experimentai works has further developed

    本文系統給出了以鈦寶石晶體做為介質和放大介質的飛秒激光脈沖放大系統理論,針各部分可能出現的問題提出了應的解決方法,並在此基礎上開展了部分實驗工作。
  9. In this thesis, wide - fov ( field - of - view ) optical systems with optical gain based on fov and optical gain of laser detection and warning optical system are studied. it can solve the problem of wide fov matching with small photosensitive surface, enhance the power received, increase detecting sensitivity, reduce the power of laser and decrease the cost of laser accordingly

    本文正是針上述問題,從激光輻射探測光學系統的視場和光學出發,研究寬視場有光學系統,解決大視場和小光敏面匹配的矛盾,強接收到的光功率,提高探測靈敏度,降低激光輻射源功率的要求,從而降低應激光器的成本。
  10. 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的關系。
  11. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ ( c - b ) 、 r _ ( a - b )和非干泵浦速率r、色散和粒子數差的影響;第二節討論了驅動場和探測場的失諧無粒子數反轉激光的影響。
  12. In chapter 4, we study nonlinear theory of the open v - type system with two - color incoherent pump. in this chapter, we discuss the conditions for the onset of lwi and the stability of the system in the limit of strong driving field, and the effect of incoherent pump rate rt on the gain, dispersion and population differences. we also discuss the effect of nonlinearities and the effect of pumping rate threshold of the pumping field

    接著第四章討論雙色非干泵浦系統的非線性理論,分析了強驅動場情況下的lwi產生的條件和穩定性、非干泵浦速率r ~ 1、色散和粒子數差的影響;討論了該系統的非線性效應和非線性干泵浦速率r ~ 1與r閾值關系的影響。
  13. In this paper, we present the sufficient and necessary condition for the sum of a identity matrix and a generalized cyclic matrix is nonsingular, and obtain the formal representation of the relative gain array of the sum matrix

    本文給出了單位矩陣與廣義循環矩陣的和矩陣的非奇異的充要條件,得到了這樣和矩陣的相對增益陣列的顯示表達式。
  14. Third, the whole absorption spectrum displays, in general, three pairs of absorption peaks and three pairs of gain peaks. due to the coherences between dressed states, these peaks are not exactly at the resonant resonance frequencies between dressed states, but in the vicinity of them

    還有一個特徵就是,吸收光譜在一般情況下會出現三吸收峰和三峰,在修飾態干的作用下,這些峰並不是位於修飾態共振躍遷頻率處,而是位於它們鄰域附近。
  15. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了關參數展寬比的影響,實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了應的解決方法;針放大過程中出現的窄化和飽和現象,輸入種子脈沖提出了一種新的分段頻率調制函數,實現了窄化效應和飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  16. Based on the research of siso case, we employ the method of feedforward compensation to decouple multiple input and multiple output ( mimo ) plant. it is the key point to design h2 - optimization compensator with the approach of l2 - norm optimization so as to apply directly the result of siso case to the decoupled system

    單輸入單輸出的象研究基礎之上,作者採用相對增益法和前饋補償方法多輸入多輸出( mimo )的象進行前饋補償解耦,在這一過程中關鍵就是引入頻域l _ 2范數優化的方法補償器進行設計使之具有h _ 2優化的特點。
  17. In this chapter, mathematical model of a single machine infinite bus power system installed with statcom and svc is derived. 3 ) the possibility of the negative interactions among statcom controllers and svc controller in this smib power system is analyzed by using the rga method, and the time - domain simulation results demonstrate the analyzed results

    以這個單機無窮大系統為研究象,應用相對增益矩陣( rga , relativegainarray )方法分析了statcom控制和svc控制器之間存在著負交互影響的可能性,並通過模擬實例驗證了rga方法分析結果的正確性。
  18. The analytical solutions of the gain, dispersion and population difference in the steady state of an open ladder lasing without inversion ( lwi ) system are at first given when the phase fluctuation of the driving field is considered. then the effects of the driving field phase fluctuation on the gain, dispersion and population difference are analyzed by the numerical results from the analytical solutions. our research shows that the phase fluctuation of the driving field will results in a finite line width ; with the line width increasing, the gain decreases monotonously, however, variation of the dispersion isn ? t monotonous, it has a maximum value when the line width takes some value ; the line width varying can ? t lead to change lasing from without to with population inversion

    給出了有驅動場位漲落的開放的梯型無粒子數反轉激光( lwi )系統、色散和布居數差的定態解析解,進而用得到的數值計算結果分析了驅動場位漲落、色散和布居數差的影響.研究結果表明,驅動場位漲落將導致有限線寬;隨著線寬的加,系統單調地減小,但系統色散的變化並不是單調的,當線寬取某個值時,色散有極大值;線寬的變化不能導致無反轉激光向反轉激光的轉變
  19. Relative benefit increase, rbi

    加率
  20. One consequence of the growth of government and government regulation has had an unambiguous negative effect on productivity and that is a shift in the locus of decision making of economic organizations from economic to political policies as the relative gains from using the political process have increased

    政府和政府管制發展的一個結果已經產出有了明顯的負面影響,而且那是經濟組織制定決策地點的轉變,包括經濟決策與政治決策,伴隨著使用政治程序而得到的加。
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