等效增益 的英文怎麼說
中文拼音 [děngxiàozēngyì]
等效增益
英文
equivalent gain-
In order to decrease expenditure and increase total economic efficiency, the key technique consisted of a complete sets of base fertilizer heavily, stabilizing n, increasing p and k, herbicide, coordinating of irrigation, fertilization and dpc regulation in first - flowering time, water - saving by furrow irrigation, simple pruning of cotton plants, chemical accelerating the ripening and so on
以重施基肥，穩氮增磷增鉀，化學除草，初花期水、肥、控同步，溝灌節水，簡化整枝及化學催熟等項技術組裝配套，達到節支省工，提高整體經濟效益。Roll out at succeeding in june 2003 " the elite that fight bacterium " brand, the broad spending market that the product strengthens increasingly in the light of healthy consciousness and want to cast off a foot the consumer development with smelly, disturbing n / med beriberi, via trying on an experiment strictly for long, the proof can be restrained effectively and kill bacterium, fungus to wait microbial, defy bacterium, deodorant result apparent, reliable, become the throughout the country first product that holds through fighting bacterium to indicate, it is industry of domestic leather shoes the first ( also be home current and exclusive ) the leather shoes company that holds through fighting bacterium mark product
於2003年6月成功推出「抗菌精英」品牌，產品針對健康意識日益增強的廣大消費市場和想擺脫腳臭、腳氣煩擾的消費者開發，經長時間嚴格試穿實驗，證明能有效抑制和殺死細菌、真菌等微生物，抗菌、防臭效果明顯、可靠，成為全國首批通過抗菌標志認定的產品，是國內皮鞋行業第一家（也是國內目前唯一）通過抗菌標志產品認定的皮鞋企業。To research the status of the use of shell resource in china securities market, in this paper, firstly, i interpret the shell resource from the economic point of view, and point out the important significance of the study on the shell resource ; secondly, i analyze the status of the use of shell resource in our country at present including the motivation, means, benefits and cost of buying a shell ; thirdly, the status of the use of shell resource in the securities market is positive studied in the way of statistics by taking the civil listed companies as examples, this part is the emphasis of the paper ; at last, i analyze the cause that the shell resource was not used well in our securities market, and bring forward some advice at five aspects, such as perfecting the law condition of buying a shell, building up the measures of resisting risk etc
我們有必要對我國證券市場的殼資源利用狀況進行研究，以期對投資者的投資決策、證券市場監管的制定及殼資源利用績效的提高有所裨益。為了考察我國證券市場殼資源利用的狀況，本文首先從經濟學的角度對殼資源進行了解釋，並指出研究殼資源利用的重要意義；其次，分析了我國現階段殼資源利用的現狀，包括買殼的動機、方式、收益和成本；再次，以國內買殼上市企業為研究對象，用統計學的方法對我國證券市場殼資源利用狀況進行了實證分析，這部分是本文的重點；最後根據實證的結果，分析了我國證券市場殼資源利用不佳的原因，並從完善買殼的法律環境、增強風險防範措施等5方面提出了一些相應的建議。With the rapidly development of computer network technology and the widely use of network technology in every walk of life, people transmit data through computer network more and more frequently, including all kinds of secret information ( for example, military secret ; bussiness secret ; personal private information ). today, as a result of poor security of our network system, we can not prevent the transmittied information from stealing and modifying unlawful. thus, the computer network technology is applied to our daily life restrictedly. recently, many network applications with voip ( for example msn messenger ; dialpad ; distributed multipoint multimedia conferences ) take no measures to encrypt their data
隨著計算機網路技術的迅猛發展和網路技術在各行各業中的廣泛應用，人們通過計算機網路傳輸數據日益增加，其中包含了各種機密信息（例如軍事機密信息、商業機密信息、個人隱私信息等） 。由於目前的網路系統缺乏足夠的安全性，不能有效防止網路上所傳輸的信息被非法竊取和修改，因而極大地限制了計算機網路技術在日常工作中的應用。當前，基於voip技術的各種網路應用，如msnmessenger ， dialpad ，以及一些分散式多媒體會議系統，竟然未採取任何加密措施Comparing with the method of equal differential increment rate, dcpm - fga has better optimization quality. the agc software of hydropower station based on dcpm - fga can reduce water consume, and enhance the economic performance of hydropower stations
實例計算結果表明，與等微增率方法相比，基於dcpm - fga的水電站agc具有更好的優化品質，能有效降低水量損耗，提高電站的經濟效益。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
通過對pid 、模糊、單神經元等控制策略的分析比較，將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合，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增強，對電弧爐控制系統的設計也具有一定的應用參考價值。The antenna gain, directivity and reflection coefficient are calculated via finite element method in hfss. spline interpolation and polynomial curve fitting are applied to construct diagrams illustrating the capsulation characteristics. some general conclusions of interest are obtained
探討了各個封裝參數對輸入端反射系數、方向性系數、效率和增益等性能指標的影響，得到一些規律性結論，為射頻振子天線的封裝應用提供了參考性的建議，並指出了進一步研究的方向。As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors
由於微測輻射熱計在施加偏置電壓的情況下，電熱效應與紅外輻射的共同作用使它表現出與其他紅外探測器完全不同的一些特徵，文中給出了響應率、噪聲、噪聲等效功率、噪聲等效溫差、光學增益、探測率等參數的計算方法，這些參數中的部分是微測輻射熱計獨有的，或者與其他的紅外探測器的同一參數有所區別。The measure module has bigger signal - to - noise ratio because adopting instrumentation amplifier, programmable gain amplifier and accumulate measurement
信號檢測模塊採用儀表放大、程式控制增益放大、積累檢測方式等措施有效地提高了測量系統的信噪比。Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點，自適應波束形成演算法的研究是智能天線的一個關鍵技術，它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束，在干擾信號方向產生較深的零陷，是實現用戶信號最佳接收的有效方法。The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions
常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions
文摘:常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail
並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究，分析了漂移區長度、電壓、電流、速度lhq值、磁場k ， ； 、注入波功率等多種因素對互作用電子效率及增益的影響。Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band
在本論文的研究過程中，通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施，運用矩量法和遺傳優化演算法等數值方法，深入研究了加載單極子天線問題，旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比，以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm, and measure the gain and phase of the crystal. according to the gain and phase information and the iec - 444 standard, crystal parameters can be calculated, such as nominal frequency, series resistance, shunt capacitance, motion capacitance, motion inductance, q factor and so on
該系統能產生頻率范圍達100khz 150mhz ，功率范圍為? 40dbm + 18dbm的掃頻信號，並能對晶振的增益和相位差進行測量，其測量結果按照iec - 444晶振測量標準進行實時處理和計算，從而得到晶振的串聯諧振頻率、並聯諧振頻率、等效電阻、靜態電容、動態電容、動態電感和品質因數等主要電參數。The first class methods are the classical frequency domain - based equivalent system methods ( f - esm ) which recommended by mil - f - 8785c and mil - std - 1797a. five longitudinal low order equivalent systems and fourteen lateral ones are discussed in detail and some pieces of advice are given. also conduct an investigation in the time domain - based equivalent system methods ( t - esm ). and for longitude short period movement, two least square ( ls ) identification methods of estimating its parameters are studied
研究了求取高增穩飛機的低階等效系統的幾種方法：研究了經典的頻域等效系統方法，針對縱向5種、橫向14種構型的低階等效系統進行了擬配實踐，並提出一些有益的看法；以頻域等效系統方法為基礎，提出了時域等效系統新方法；以最小二乘辨識為基礎，提出了兩種縱向短周期低階等效系統時域辨識方法（等效延遲時間_ q參與或不參與） 。Freezing efficiency of f atom in oxidant nozzle of different contour walls, mixing mechanism of reactants in 2slot ( two - dimensional, plane symmetry nozzle ) nozzle and comparison of flow - fields & ssg between 2slot and 3slot ( 3 - slit jet plane nozzle ) have been studied by using 2d cr program. the conclusion is significant to understand the requirement of reactant flows and to generate ideas for nozzles design
利用二維r程序，研究了單噴管型面對f原子凍結效率等參數的影響：研究了二維平面對稱噴管（ 2slo ）的反應流混合機制和混合角對激光器性能的影響；對比研究了zslot和三狹縫平面對稱噴管oslot ）流場和增益特徵。It is thus of importance to develop an l - band edfa. however, a conventional l - band edfa is relatively inefficient and has low gain and high noise figure since they are operated at the tail of the erbium gain band. therefore, it is very important to design and analyze a high performance l - band edfa with simultaneously high gain, low noise and low gain ripple for a dwdm system
開發新的l - bandedfa是十分必要的，然而傳統的l - bandedfa由於工作在鉺光纖增益譜的尾部，其存在增益低、工作轉換效率低、噪聲大等缺點，因此，分析和設計符合dwdm系統發展要求的具有優良性能（高增益、低噪聲、動態增益均衡）的l - bandedfa是十分有意義的。The stochastic structure and stochastic intelligent truss structure are taken as research object in this paper. the analytical model and method of the structural dynamic characteristic are investigated. when the applied forces are random excitation or random process ( stationary random process or non - stationary random process ) excitation, the structural dynamic response, the active vibration control for the intelligent structure, the optimal placement of the sensor and the actuator and the optimization of the feedback gains of the closed loop control system for the intelligent structure, and the effects of the structural parameters on the active vibration control et al are all studied systemically
本文以隨機結構和隨機智能桁架結構為對象，對結構動力特性分析模型與求解方法進行了研究；對結構在隨機力或隨機過程（平穩隨機過程或非平穩隨機過程）激勵下，結構的動力響應、結構的振動主動控制、智能結構中作動和傳感元件配置位置與閉環控制系統增益優化、結構參數對振動主動控制效果的影響等問題開展了全面而系統的研究。But multi - wavelength transmission and thd employment of erbiumdoped droped fiber amplifier ( edfa ) will cause a number of new problems, such as chromatic dispersion, gain fluctuation, fluctuation and non - linear effects etc. ths problems should be solved in building wdm fiber transmission system
不過，隨著摻鉺放大器（ edfa ）在系統中的大量使用，也會帶來一系列相關問題，如：色散、增益失衡、非線性效應等等。在建立一個wdm光纖通信系統的時候，必須很好地解決這些問題。分享友人