波成階地 的英文怎麼說
中文拼音 [bōchéngjiēde]
波成階地
英文
wave-built terrace-
On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed
遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術，運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法，分析了斷裂構造、河流地貌（階地、漫灘、沙洲）及懸浮物等在tm遙感圖象上的影像特徵，解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈，並新解譯出了9條近東西向的斷裂。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。The writer studies the developed steps of real estate industry in the above - mentioned period and describes its generation mechanism, characteristics and cause of business cycle fluctuation of real estate industry in the period of our economy system shift. it is necessary to point out that policy cycle fluctuation should be a fundamental cause on business cycle fluctuation of real estate industry in china. writer here jumps at the conclusion that the recovery phase and depression phase of business cycle in our real estate industry should be later than the expansion phase and decline phase
該部分內容由第3章構成，即從房地產經濟周期波動的一般研究轉到對我國房地產經濟周期波動進行分析，從總體上看，改革開放以來我國房地產業的真正形成與發展只有20年的歷史，通過對這一短時期中國房地產業發展的探討，指明轉軌時期中國房地產經濟周期波動的一些主要特點，同時指出我國房地產經濟周期波動形成機制與原因，當前我國經濟轉軌時期，政策周期波動是房地產經濟周期波動的根本原因，並從理論角度分析了房地產經濟周期波動與宏觀經濟周期波動在各個階段間的相互關系，得出我國房地產經濟周期相對于宏觀經濟周期波動來說在復甦期和蕭條期滯后，但高漲期和衰退期卻先行的結論。At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength
由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。Additional, ou hanbo thinks, at present education of rural free obligation returns existence to teach cost on the high side, save the issue of filling standard on the low side, the proposal organizes concerned expert by the province, according to the true condition that teachs evolution currently, land of be practical and realistic is raw to compulsory education phase all public funds specified amount is spent have new business accounting, proof, decide the obligation that accords with a country to teach development to need to teach level to be born all public funds standard, grant allowance according to the standard of check and ratify by province finance
另外，歐漢波認為，目前農村免費義務教育還存在教育成本偏高，省補標準偏低的問題，建議由省組織有關專家，按照當前教育發展的真實情況，實事求是地對義務教育階段生均公用經費額度進行重新核算、論證，定出符合農村教育發展需要的義務教育階段生均公用經費標準，並由省財政按照核定的標準給予補助。The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation
研製的井間地震正演合成記錄的程序，可用來對不同速度、不同傾角的地質模型，通過最小旅行時的射線追蹤或四階差分聲波波動方程，計算出對于給定震源和給定檢波點的井間地震合成記錄。2 ) systematically introduced parameter estimation of distributed sources on the base of models, including the maximum likelihood estimate, least squares estimator, dspe, dispare, etc. 3 ) studied four low complexity algorithms : one order approximation, two point sources approximation, traditional beamforming and relax of parameter estimation
2 ）在模型基礎上系統地介紹了已有分散式目標參數估計方法，包括最大似然與最小二乘演算法， dspe和dispare演算法等。 3 ）研究了四種低復雜度演算法：一階近似演算法、兩點近似的演算法、常規波束形成演算法和relax演算法，這些演算法都是次優演算法，但計算量小，具有實用價值。In the forth part i contrast the forth period with the fifth period, i think at present the real estate industry in china is still on its reasonable proper development stage. but there are some real estate bubbles in some area
第四部分，筆者對周期四與周期五運行特點進行了對比分析，並運用前述房地產周期波動理論分析成果，得出當前我國房地產業總體處于正常發展的繁榮階段，但部分地區確實存在房地產過熱現象的結論。Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis
針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且波形質量高，電子部件全密封且要求自然冷卻的特點，分析比較了幾種大功率逆變器技術方案，選擇單邊脈寬調制階梯波合成逆變器為研究對象。Substantial empirical studies show that the reaction of the stock market to the information of outside world is asymmetric, this stylized fact is of great significance, if the variance of market returns can measure market risk, the market asymmetric response may result asymmetric risk premium in the stock market, asymmetric risk premiums on the stock market would be have impact on asset pricing, portfolio construction and risk position, so asymmetric reaction of the stock market has been the focus of attention of academics and investors, learning from the latest researching approach in domestic and foreign, on the basis of the actual situation in china ' s securities market, a more detailed study of china ' s shanghai and shenzhen stock a, b four markets have been done
股票市場對信息反應具有不對稱性，長期以來股票市場非對稱性反應特徵成為大量經濟學家和投資者關注和研究的焦點。本文在吸收和借鑒國內外最新研究成果的基礎上，以我國股票市場的實際情況為背景，較為系統地研究了我國滬深兩市a 、 b股四個市場的市場波動反應非對稱性特徵。我們得到的實證結果表明，我國股票市場對外界信息的反應模式不僅存在非對稱性，而且這種非對稱反應特徵還具有階段性。It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed
瞬變電磁法（ transientelectromagneticmethod ）是一種時間域的電磁勘探方法，利用階躍波或其它脈沖電流場源激勵，在大地產生過渡過程場，斷電瞬間在大地中形成渦旋交變電磁場，測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性，從測量得到的異常分析出地下不均勻體的導電性能和位置，從而達到解決地質問題的目的。When analyzing the conditions of monetary cooperation, the dissertation compares east asia with ecu region and south america on financial and exchange rate policies first, and then discusses 6 basic cooperating conditions completely. these conditions are : ( 1 ) the industry and trade related rate and economic open rate among east asia countries ; ( 2 ) diversity degree of products in the region ; when countries in the region can meet the condition of " diversity of low degree products ", operating monetary cooperation may have significant in reality ; ( 3 ) consistence of member states " economy period and symmetry of financial relation among member states ; ( 4 ) inflation rate ' s similarity among member states ; ( 5 ) coordination on policy among member states ; ( 6 ) support of a hard currency in the region. without a hard currency ' s support, monetary cooperation will be destroyed easily by outer speculating capital because of limitation of economy and store capital in the region
在對東亞貨幣合作可行性條件進行分析時，本文首先對東亞和其它貨幣合作區域的金融及匯率制度進行分析，以確定東亞地區在貨幣合作階段上所處的位置；然後對實施東亞貨幣合作的六大基礎條件進行了詳細的論述和分析，分別是門）區域內成員間的產業與貿易關聯度，其值越高，貨幣合作的收益越大：區域內各成員的經濟開放度，外貿依存度較高則合作收益明顯： （ 2 ）區域內產品的多樣化程度，當區域內成員符合「低程度產品多樣化」的條件時，實行貨幣一體化以抵禦外部沖擊才具有現實意義； （ ）區域內各成員之間經濟周期波動的一致性，區域內成員的金融關系及受外界沖擊的對稱性； （ 4 ）區域內各成員間通貨膨脹率的相似性； （ 5 ）區域內各成員在政治上的協調性； （ 6 ）區域內強勢貨幣的支持，缺乏強勢貨幣的支持而建立起來的貨幣同盟會因整體經濟實力和儲備資產的限制而難以擺脫外部投機資本的沖擊。To solve the problem of filtering divergence in the case of low observability and large estimating error to the target ’ s original state in the ssbopls, this thesis presents a two - stage multiple mode extended kalman filtering ( ekf ) algorithm. at the beginning of filtering, system often has large estimating error. in order to efficiently avoid filtering divergence, the algorithm uses a mode - set which contains multiple modes to approach the real target state mode
在估計誤差比較大的濾波初始階段，採用多個模型組成的模型集合加權來逼近目標的真實狀態模型，可以有效地減小濾波的模型誤差，避免濾波的發散;當濾波達到穩態后，改為採用單模型濾波以節省計算量和系統存儲量。分享友人