域差然 的英文怎麼說
中文拼音 [yùchārán]
域差然
英文
wechayant-
Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred
通過分析兩期土地利用及景觀結構指數之間的差異性，指出由自然和人為原因引起的生態環境的變化：研究區總面積有所減少，鹽堿地改良後用于了魚蝦養殖，部分未利用地和水域鹽堿化，區域景觀類型豐富且均勻，局部破碎嚴重。By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed
本文內容包括：首先綜述生物學領域分子馬達研究的最新進展，內容安排為：肌球蛋白的結構和功能，驅動蛋白的結構和功能，肌球蛋白和驅動蛋白定向運動機制的結構生物學方面的最新進展；其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型，內容安排為：分子馬達運動的基本觀點和建構模型的一般方法，勢壘的兩態漲落誘導的分子馬達運動模型，分子馬達定向運動的偶極子模型；最後討論雙頭相互作用的分子馬達模型，內容安排為：先詳細論述模型的構建，再建立langevin方程和fokker - planck方程，接著用差分的方法求解出fokker - planck方程的解，然後分析和研究分子馬達定向運動的機制。By comparison with food habits of chinese snub - nosed monkey in qinling - mountain, shanxi province and wolong district, sichuan province, both are national reserve with good habitats for monkey. the results show that the monkey food spectrum present certain different from, but is similar with those of qinling and wolong monkey, that indicates the monkey in xiaoshennongjia has good food condition
通過與陜西秦嶺和四川臥龍兩處國家級自然保護區的川金絲猴食性的比較，得出生活于不同生境的川金絲猴在其食物組成上存在一定差異，但小神農架地區川金絲猴的食物譜與后兩個地區的相似，說明該區域川金絲猴的食物條件較好。Firstly, proem, it concise introduces the background ; secondly, it introduces the reform of the commission system and the dilemma of the securities companies in our country ; thirdly, it puts forward the idea of implementation of " optionally differential strategies " as the natural choice for the future development of the securities brokers in our country, through the analysis of the current competitive environment of the securities companies in our country and study on the alternatives of competitive strategies ; the forth, it describes how to practice " optionally differential strategies ", which including three aspect : the choice of the core competition ability, the measures for the implementation are brought forth, and the condition of practice the strategies ; the fifth, it " s the summary of the dissertation
第一部分，簡介論文寫作背景；每二部分，介紹我國傭金制度改革以及改革后我國證券公司所面臨的困境；第三部分，通過對現階段我國證券公司競爭環境的分析，進行競爭戰略選擇研究，提出實施選擇性差別化戰略應成為我國證券商未來發展的必然選擇。第四部分，提出「選擇性差別化戰略」的實施措施，包括拓展業務領域、拓寬交易渠道及改革證券商管理模式三方面可操作的內容；第五部分，對全文作概括性的總結。The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases
該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。Though the fieldbus as the communication technology of the automation field can be built as understratum network of intelligent building, but with the increase of the demand of opening, interoperability and integration of control network and information network, the lack of no unified standard, bad opening, difficulty of interoperability, lack equipment, high expense and difficulty of integration was unfolded if the system integration of intelligent building adopts fieldbus completely
雖然現場總線作為自動化領域的通信技術，可以構成智能建築的底層網路，但出於對網路開放性、可互操作性的要求以及控制網路與信息網路集成等需求，若完全採用現場總線進行建築智能化系統集成，現場總線的標準不統一、開放性差、互操作困難、設備少、費用高以及集成困難等弊端便逐漸顯露出來。It is very important for minutia extraction in afit ( automatic fingerprint identification technology ) based on minutia matching. the fingerprint image always has much noise and can not be adapted to extract minutia directly, so pre - processing of fingerprint image to get a point - line image is an important part of afit domain
細節特徵點的準確提取在基於細節特徵點匹配的自動指紋識別技術中十分重要，然而由於各種噪聲的影響，使得所採集的指紋圖像質量比較差，並不適合直接用來提取細節特徵點，所以對指紋圖像進行預處理以獲得清晰的點線圖是自動指紋識別研究領域的一個重要組成部分。With different geographic position and tectonic section, the deep character of crust and lithosphere in the middle tienshan mountain, the northern altai mountain and southwestern kunlun - alkin mountain are very different, which have a common necessary relation as a whole, and also special regional feature
由於地理位置和所處的構造部位的不同，中部天山山脈、北部阿爾泰山脈、西南部昆侖阿爾金山脈在地殼巖石圈深部特徵都有很大差異，它們有整體共性的必然聯系，也有區域個性的特殊面貌。At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles
在指紋圖像增強方面，本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點，對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區，然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波，最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb
首先在傳統的頻域波束形成演算法的基礎上，提出對寬帶信號的頻率補償，也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償，然後對各陣元輸出求和來得到方位估計；其次將連續小波變換引入到空間?頻率處理中，從而完成對目標方位的估計，並進行了相應地補償。5. a multivariable process identification based on asymptotic black - box theory is studied. firstly, a high - order mimo arx model and its frequency error bound is estimated from identification data and low - order siso models is obtained from high - order mimo arx model
作者對一種基於漸近黑箱理論的多變量過程辨識方法進行了研究：首先用高階arx模型估計模型參數，並給出高階模型的頻域均方誤差；然後，對高階arx模型進行降階處理。The distinctive distinguish in the natural, social and economic conditions in the different areas in fujian province have resulted in regional difference of the cultivated land utilization
福建省鮮明的區域自然條件、社會經濟條件分異特徵，導致耕地利用的區域差異性。On the contrary, the second method determines farmland grades by practical land natural quality, exploiting level and profit. the author thinks the second method is more preferable because it is more fit for practical situation, and can reduce complications of the farmland grading tasks. subsequently, the article discusses the second method in detail in three aspects
在這部分內容中，作者指出了農用地定級思路的不足之處，並且充分肯定了農用地定級思路跳出思路中級差地租和級差地租具體量上的區分，使得「農用地級別劃分側重於反映因農用地現實的（或實際可能的）區域自然質量、利用水平和效益水平不同，而造成的農用地生產力水平差異」 。In this stitching algorithm, the operator should select two characteristic regions in one of the two pictures that are to be stitched. then the algorithm will search the two best - matching region in the other picture, compute the angle of the rotary between the two pictures, rotate one of the two pictures, then stitching the picture, thereby the rotary error is corrected
這種拼接演算法由用戶在待拼接的一幅照片中指定兩個參照特徵區域，並在另一幅照片中搜索兩處最佳匹配區域，根據這四個區域的位置確定兩幅照片的相對旋轉誤差，然後反向旋轉其中的一幅圖像，再進行對接，從而糾正了兩幅照片的旋轉誤差。With the expansive terrain, the regional differences of the natural resources gift and the social and economic development are remarkable in china. the mode of land use, the structure of regional land use and the extent of land use are very different in spatial distribution
中國地域遼闊，自然資源稟賦與社會經濟發展的區域差異顯著，土地資源的利用方式、區域土地利用結構、土地利用程度等具有高度的空間異質性。The data used in the risk assessment of regional natural disasters imply the information not only on time but also on space. when the spatial information of the data is incomplete, it is necessary to optimize the data in order to reduce the error of the assessment. in the counterpart of the paper in last issue of the journal the theoretical investigation of the problem was carried out and the imcomplete information occured in risk assessment of regionalnatural disasters were class ifiedinto two types with treatment of interpolation model and correcting model res pectively. the former model is for insufficiency of the data and the later is for the case in which the accuracy of the data is not enough. inthispaper, taking the flood sustained by rural area plant in hunan province as an example, it is explained how to use the models to calculate. the models are examined as well
區域自然災害風險評估中所用的數據不僅具有時間的意義，而且具有空間的意義，當數據的空間信息不完備時，需要對其進行優化處理，以減小風險評估的誤差，作者在本刊上一期的一篇文章中已進行了這方面的理論探討，將區域自然災害風險評估中所遇到的空間不完備信息分為兩類，分別用插補模型和校正模型進行了處理，插補模型是針對空間數據缺失情況的，而校正模型是針對空間數據不符合精度需要情況的，本文以湖南省農村種植業水災為例，進一步說明如何應用這些模型來進行計算，並對其進行了檢驗This paper is based on rs and gis, analyses the characteristics of luc of three periods in daqing city, discusses the traits of lucc of different periods, and discusses the driving forces from two aspects - nature factor and social factor, and forecasts the future land use pattern, points out the focus of land use continuable development. this research includes three significant problems, they are : the gaining of the lucc data in daqing area, the translation of land use pattern and its driving forces research, forecasts of the future land use pattern research. in the process of the study, we obtain the data that we need through manpower estimation and interpretation based on gis, then put the results into software envi, reclassify land use types using masking technology and decision tree
本次論文以黑龍江省大慶市為研究對象，基於遙感和gis平臺，提取了1979年、 1990年、 2001年區域土地利用/土地覆蓋數據，分析了研究區三個時期的土地利用/土地覆蓋特徵，利用單一土地利用動態度、綜合土地利用動態度、土地利用相對變化率等參數模型從土地資源數量、土地利用程度及土地利用區域差異等方面，探討了不同時期區域土地利用/覆蓋演化的特點，並從自然因素和人文因素兩個角度探討了區域lucc驅動力，最後利用馬爾科夫鏈模型對區域土地利用格局的發展趨勢進行了預測研究，提出了區域土地利用可持續發展的重點，為轉型時期的大慶市土地利用決策提供參考。It is sand blown by the wind excessive district, roof beam hills area, low mountain incomplete district, etc. forefathers study on loess plateau concentrate on land type divides, the land resource is classified and grade mainly, small basin manage, soil corrode, land person who suitable for appraisal, land utilize the respects, such as assigning area, etc. but static, analysis and research that determine the nature mostly, utilize dynamic change course research and corresponding driving force system study to land very few
但多是靜態的、定性的分析研究，而對土地利用動態變化過程研究以及相應驅動力系統研究甚少；對區內不同地貌、行政單元區域的土地利用動態變化的區域差異研究較少，而且區內差異研究較粗略，多依自然因素劃分單元、進行定性的闡述，不能客觀而定量的反映驅動因素中各因子的作用力大小。Alum has clearly discernible regional differences based on the limits of natural conditions
由於自然條件的限制，農地利用模式具有明顯的地域差異性。分享友人