自由前進波 的英文怎麼說

中文拼音 [yóuqiánjìn]
自由前進波 英文
free progressive wave
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : causereason
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : 進構詞成分。
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 自由 : freedomliberty
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題行了比較深入的探討:全面回顧了「可持續發展」概念的來與演變,對國內外「可持續發展」的研究現狀行了述評,並對「可持續發展」概念的科學內涵行了深入探討;對涉及地下水資源的一些最基本的概念和命題行了全面的回顧和評述,對目仍然存在的一些錯誤觀點和混亂認識提出了己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小分析工具箱行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件行了分析,內部河海人學博卜學位論文言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的一步研究方向。
  2. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理行模擬分析,分別對時域和頻域下採用dsss技術後接收信號的頻譜行分析,驗證dsss技術在本系統中的可行性; ( 2 )dsss技術對濾系統的要求,根據濾理論分析了巴特沃思型濾器的逼近原理並設計了合適的濾電路; ( 3 )用調制解調晶元sc1128和行設計的濾器加之輔助外圍電路,構造出低壓電力線載通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施後輸入和輸出信號行對比實驗,並對結果行分析,驗證了dsss技術對干擾信號的抑制作用。
  3. Because china can not sustain its population by its own oil - seed supply and its oil - seed processing out - reaches oil - seed supply, china will be taking the strategy that more oil - seed be imported to process oil to support the domestic market and even to export oil to the world market, which means that china will be importing more oil - seed after joining wto, but this is not necessary the case with the plant - oil importing

    於國內油料產量不能夠滿足身的需求、油脂行業存在較大的相對剩餘生產加工能力,所以在中長期內中國將採取「口油料加工油」的策略:即油料的口一定會繼續逐年增加,而油脂的口將會徘徊在目的水平或僅有小幅動,以調節國內餘缺。
  4. Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike

    於行管的大功率和高頻率等特性,目還沒有任何其他的器件可以代替。行管是應用高頻電磁場與電子注行互作用的機理行工作的,而電子槍是行管中產生電子注並使它成型的基本部件,電子槍的結構設計決定了槍體身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行管的失效。因此對行管電子槍的研究具有非常重要的意義。
  5. Because wavelet transformation has strong capability of withstanding noise, we have easily considered making wavelet transformation for the input signals, and recognizing them in hidden markov models

    於小變換具有很強的去噪功能,一個然的想法是在hmm識別系統串連一個小器,將待識別模式信號作小變換后再輸入hmm模式識別系統以行識別。
  6. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計,該航跡產生器是研究組合導航問題的提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並行了模擬研究,於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差行閉環控制,需要將濾器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾的誤差建模方法,並運用實際研究工作中的測量數據對該方法行了驗證。
  7. The answers to these questions have important significance in thelegitimacy and sustainability of posner ’ s economic analysis of law, in theconnotation and extension of the definition of legal pragmatism and in theconsistency and compatibility of posner ’ s whole theory. it is not onlyrelated to posner ’ s economic analysis of law and his legal pragmatism, butalso related to the formation and development of posner ’ s whole theory. moreover, becauseofposner ’ sirreplaceablyimportantstatusinthesefields, it is even related to the whole field of economic analysis of law and legalpragmatism. however, the academe seems to have no recognition of the importanceof these issues, that most scholars ’ research on posner ( including domesticand foreign ) stillbasicallystaysinakindofsingle - anglemode, thatistosay, they either study posner ’ s economic analysis of law solely, or only discusshis legal pragmatism, ignoring the relationship between the two

    本文從斯納對己早先提出的經濟分析法學所作的後兩種截然不同的辯護? ?一個是基礎主義的辯護,一個是實用主義的辯護;一個是建構基礎的辯護,一個是拋棄基礎的辯護? ?出發,通過對「經濟分析法學與功利主義」 、 「經濟分析法學與新蘭德爾主義」 、 「法律實用主義與形式主義」這幾對關鍵概念之內涵及相互關系的界定,並從氏法律實用主義對其經濟分析法學的影響,以及氏經濟分析法學對其法律實用主義的影響這兩個方面出發,對氏法律實用主義與氏經濟分析法學之間的關系行了深入的剖析,此證明了二者之間的聯系和可調和性。
  8. Feed back control base on nonlinear pid with self - adjust parameter and feed forward control base on experience model are employed in the practical application. the realization of this control system and its result are introduced in this paper. because the process of the reaction is complicated, it ' s difficult to model for it

    在對中和過程動控制演算法的探索中,採用了非線性參數整定控制和基於模型的饋控制,本文介紹了這種控制系統的實現和現場控制效果,於中和控制過程的模型極其難以確定,反應過程變化復雜,因此基於模型的饋控制無法對ph值和流量值的行有效的補償。
  9. Full digital computerized three - dimensional precise position syetem : it is the wold most advanced 128 guide fulldigital computerized three - dimensional precise position syetem which could monitor epilepsy patient pre - operation, in the operation and after operation. it consists of a 128 guide double - video synchronized electro - encephalographic long - distance monitoring system, a dipole three dimensional imagine position and analysis, a spine peak wave automatic recognized system, eeg and ct mri. these system are full of worldly advanced techniques, precisely providing the preliminary three - dimensional coordinate position of epilepsy inducing foci for surgery and gamma knife therapy

    是世界最先的128導全數字化癲癇術術中術后診療評估系統,128導雙視頻腦電同步長程監測系統偶極子三維圖像定位分析系統棘尖動識別系統eeg與ct mri圖像融合系統等組成,擁有多項世界領先技術,為外科手術和伽瑪刀治療癲癇提供了精確的「致癇灶」原發三維坐標位置。
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