逆變指標 的英文怎麼說
中文拼音 [nìbiànzhǐbiāo]
逆變指標
英文
contravariant index-
The load character and control object for a parallel inverter is analyzed, the conclusion that series and parallel resonant circuit are two antithetic circuits is pointed out, this provides a theoretical guide to the control circuit design for these two inverters
分析了並聯諧振逆變器的負載特性及控制目標，指出串並聯諧振逆變電路是兩種對偶電路，為這兩種逆變器控制電路的設計提供了理論指導。According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature
本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs
研究了柴北緣地區逆沖推覆構造的發育背景、發育模式，平面、剖面展布特徵及其分帶性，並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述，同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理，指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ，參8The rule of loads and settlement is concluded from numbers of settlement observation points ’ data. and in actual construction, this rule could be used to prevent immediate settlement under the accelerated load, and also, the serious result of the soil destruction could be avoided. at last, a proper method of settlement computing is derived from the identified rules, which can be used to guide the practical construction work, of course, meeting the compulsory standards of the settlement control well
採用逆作法施工，現實地解決了樁、土與筏板接觸面的變形協調關系;通過對樁、土受荷過程的實際測試，得出了樁、土分擔荷載比例和變化過程，從而為樁、土的荷載計算提供實際依據;從設置的大量沉降觀測點中所得到的沉降資料，得出荷載、沉降變化規律，從而指導在實際施工中，防止加載過快而導致速沉，避免由此帶來的土體破壞的嚴重後果;通過沉降規律分析，得出了適用於軟土地區的樁基沉降計算方法，用於指導實際施工，以滿足沉降控制的強制性標準。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。So the only way for agricultural development is structural adjustment. under the theory of structure economy growing, the theory duality economy structure and the law of the industry structure evolution mainly, this paper, firstly, analyzes the characteristics of evolution and current situation of hubei province ' s agricultural industry structure including the evolving better, singleness, facing crisis, by stage, lack of power, crop ' s development setting back the evolution, asymmetry - structure between the production value and output, the similar structure with the whole nation and the peripheral provinces, and so on
本研究在結構主義經濟增長理論、產業結構演進規律和二元經濟結構論等經濟學理論的基礎上，首先通過產值比重結構對比、產業結構變動度、產業結構波動度、產業結構相似度和偏離系數等指標和方法，從多方面分析了改革開放以來湖北省農業產業結構演進與現狀特徵：農業產業結構逐步優化，但結構單一，面臨危機；農業產業結構呈階段性演進；農業產業結構演進缺乏動力；種植業成為湖北省農業產業結構優化障礙；農業產值與產量結構不對稱，出現逆向變化；農業產業結構與周邊省份趨同等。This paper mainly describes the small signal model and properties of the dc / dc converter, the optimum control model of the dc / ac inverter and analyses the stability and dynamic characteristics of the system. the experimental results show that the static inverter achieves high performance target
本文主要對6kva電源變換器系統進行了分析，包括前級dc dc變換器的小信號特性，后級dc ac逆變器的最優控制模型，分析了系統的穩定性和動態性能，模擬和實驗表明該電源變換器具有高的性能指標。3 the resu1ts shot ', ed that fish biie could concentra1e parent pah, and the pah " concentration correla1ed to the pah " pollution levels in seawatef, thus, it could be used as a biomarker to indicate pah " pol1ution leve1s in seawater
在實驗條件下，魚肝臟的生化指標變化與mh污染強度之間具有可逆性：可聯合作為水體日污染程度的早期預警指標和生物標志物。Magistrate reversed version of flash, you exercise your wisdom to help you out of crime witnesses correction ! operations guide : mouse control, to try to change the type of game the same name flash games
逆轉裁判flash版，運用你的智慧幫助你的證人擺脫犯罪的指正吧操作指南：鼠標控制，來試試這款同名游戲改變的flash游戲吧Introduction : magistrate reversed version of flash, you exercise your wisdom to help you out of crime witnesses correction ! operations guide : mouse control, to try to change the type of game the same name flash games
逆轉裁判flash版，運用你的智慧幫助你的證人擺脫犯罪的指正吧操作指南：鼠標控制，來試試這款同名游戲改變的flash游戲吧Abstract : a design method of a multi - variable inferential controller based on anew performance index is proposed. the inferential controller uses a v type control structure to avoid inverse transformation of rectangle arriving. this multi - variable inferential control system has the characteristic of simple calculation and only an adjustable parameter q array. this control system output gets the performance of dynamic decoupling of the mutivarable system
文摘:在一種新的性能指標下，提出了一種多變量推理控制器的設計方法，該控制器採用的v規范型控制器結構避免了傳遞函數矩陣求逆問題.該類多變量推理控制系統的特點是演算法簡單、僅具有一個可調參數矩陣q ，該系統實現了多變量系統的動態接耦Based on the test data, the result is : the inverter power source has good technology index in every items and has good synthetical quality, has obvious work effect in improveing the ozone output and reducing the power consumption
通過測量的具體的試驗數據分析比較，結果表明該逆變電源各項技術指標及綜合性能很好，對提高臭氧的產率，降低功耗具有明顯工作效果。The list betterments aimed at the properties of system : through the testing of dc voltage, pulse width and inverting voltage and frequency can be regulated online to fit for different steady load ; reducing speed ripples by compensating with nonzero voltage working proportional time ; adopting the technology of harmonics suppression. as a result, the high precision and wide speed control is realized and the step out is overcome
針對系統的性能指標，做了如下改進：對直流側電壓的檢測，在線調整逆變器導通脈寬、輸出電壓和頻率，可以適應不同大小的恆負載；並用非零電壓矢量作用時間進行補償的方法，減小電機的低速脈動；加入了諧波抑制技術等。The reference signal and the disturbance signal are controlled, which can achieve optimal effect in the meantime, applying adaptive lms algorithm based on variable step and variable region to variable frequency speed regulation system, the initial convergence rate, tricking ability of time - varying system and stable precision are best in the meantime
利用變論域變步長的lms自適應濾波演算法，使自適應逆控制的異步電機變頻調速系統及其逆系統辨識的初始收斂速度、時變系統跟蹤能力及穩態精度3個指標同時達到最優。分享友人