落差計 的英文怎麼說

中文拼音 [làchājì]
落差計 英文
head meter
  • 落 : 落名詞[方言] （北方對蓮花落的俗稱） a kind of folk song
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 落差 : 1 （水位的差數） drop2 （蓄水高度） head3 fall head; [地質學] throw; drop height; falling head落...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. The great proof of madness is the disproportion of one ' s designs to one ' s means

    一個人的計劃與實踐存在太大的落差即是瘋狂的表現！
  3. English, french, spanish, portugese, georges, and louises, doubloons and double guineas and moindores and sequins, the pictures of all the kings of europe for the last hundred years, strange oriental pieces stamped with what looked like wisps of string or bits of spider s web, round pieces and square pieces, and pieces bored through the middle, as if to wear them round your neck - nearly every variety of money in the world must, i thin, have found a place in that collection ; and for number, i am sure they were like autumn leaves, so that my back ached with stooping and my fingers with sorting them out

    其中有英國的金基尼雙基尼，法國的金路易，西班牙的杜布，葡萄牙的姆瓦多，威尼斯的塞肯，有最近一百年歐洲各國君主的頭像，有古怪的東方貨幣，上面像是縷縷細繩張張蛛網有圓的有方的，有中間帶孔的，好像可以串起來掛在脖子上。我估計差不多世界上每一種貨幣都被搜羅全了。至於數量，我相信大概跟秋天的落葉一樣多，我總是彎著腰，手不斷地整理著，一天下來弄得疲憊不堪。
  4. Because the well reservation of the advantages of traditional large sacle advertising airboat, thoughtful design and argumentation on every level has been made, the dimension of the airboat reduced to 9 - 16 meters, adaptable area remarkably increased, flying agility obviously improved, a place as large as a playground is enough for it s taking off or landing, a space as size as a bus warehouse is sufficient to store the airboat, the advertising area of the airboat on it s two sides become less to 9 - 12 square meters, the altitude where such airboat can fly is much lower than that that drives person, presenting a little difference in views of the people on the ground, so capable to take the place of human - driving airboat, on the other hand when the size reduced, the operation, use, freight and maintenance become very easy, easy operation become it s first advantage : remote controllable, no professional driver needed, common personal can operate it after a short trainning, trainning time ranges from 3 - 5 days single, 15 - 30 days for people

    是因為它完美的保留和發展了大型載人廣告飛艇的優勢，為此我們進行了方方面面且深入細致的設計和論證，首先縮小了飛艇的尺寸， 9至16米長，大大的增加了飛艇的適用范圍，使飛行的靈活性得到了改善，學校操場大小的地方就可從容的起飛降落，大客車或大貨車的車庫便能存放，廣告面積雖然也小了，每單側9至12平米，可遙控飛艇的飛行高度也比載人艇的飛行高度低很多，以地面的視覺效果來看效果相差非常小，足以代替載人艇，其次是飛艇縮小后，整艇的操作使用運輸維護也都大大的簡化了，操作簡便是它的第一大優點：由於是遙控飛艇，就不需要專業的駕駛員來操作，普通人經過短期的技術培訓就可勝任，培訓期每單人為三至五天，多人視人數十五至三十天。
  5. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  6. The testing result shows that there is a difference actual seed dropping angle and the one acquired by calculation, therefore, a formula for the calculation of seed dropping angle even closely suited to production practice has been driven out and a theoretical basis for the application of 2bqm - 2 model plastic film mulch pneumatic precision planter in practical production is advanced in this paper

    通過試驗，找出種子的落種位置規律。通過試驗結果分析，找出種子的實際的落種角度和計算的落種角度之間的差別，推導出更適合實際生產中所需要的落種角度，為2bqm - 2型氣吸式精量鋪膜播種機在實際生產中的應用提供了一定的理論基礎。
  7. Seawall and sluice are the parts constructed in advance, while final closure is the last part in construction. the hydraulic condition during the final closure process is worse than that during any other processes. and with the compressing of the entrance, the hydraulic condition becomes badly, the drop height of entrance can reach 2 to 3 meter, the maximum velocity of flow even reaches 6 to 8 meter per second and flow condition also becomes complex

    海堤和水閘的修建都是圍海工程先期施工的部分，堵口則是海堤修築的最後階段，堵口合龍成敗關繫到圍海工程成敗，由於此階段所遇到的水力條件十分惡劣，口門落差可達2 3m ，流速最大可達到6 8m / s ，且水流極其復雜，根據我國《圍海工程技術規范》規定圍海堵口必須進行龍口水力計算。
  8. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。
  9. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  10. Because rural real situation and farming tool needs were not thoroughly investigated and clearly understood, farming tool design and manufacturing ability were low, the related management and service were backward, many recommended new - type farming tools were bad in quality, high in price or not suitable for usage in the recommended regions, the new - type farming tools extension and adoption did not fulfill the goal as governments had hoped

    由於對農村的具體情況和農具的實際需求了解不充分，農具設計和製造水平低，新式農具質量較低，價格偏高，技術傳授和維修服務差，經營管理相對落後，新式農具推廣使用未能達到預期的目標，發揮應有的作用。
  11. That meant we knew the longer first stint we had planned, would allow us to pull back some time on michael - as, indeed, proved to be the case [ alonso was 13. 563s behind when schumacher stopped, and 11. 272s behind after alonso had stopped ]

    所以我們知道第一階段正如我們所計劃的會更長一些，使得我們可以縮小與邁克爾的時間差距，當然這種情況確實也出現了（當舒馬赫停站的時候，阿隆索落後13 . 563秒，在阿隆索完成停站后，差距變化11 . 272秒） 。
  12. Flow simulation surrounding falling works

    落差工周邊的水流模擬計算
  13. Owing to being in planned economic system for a long time, chinese readymade oil sell enterprises have specialized without competition in 30 years and its circulation system and operation type has lag behind. it is costly to circulate and short of competition consciousness, compared with foreign oil companies, there being obvious disparity

    中國石油系統的成品油銷售企業，由於長期處在計劃經濟體制下，三十年獨家經營，其流通體制和經營方式落後，流通費用高，競爭意識差，與國外石油公司相比，有明顯的差距。
  14. Although our government audit has made great development, as a comprehensive economic supervise on high levels, our government audit still has great difference with the developed countries. it is mostly represented at the relative lagging on the government performance audit

    然而，我國的政府審計雖然取得了很大的發展，但是，作為一種高層次的、綜合性的經濟監督，我國的政府審計與發達國家之間還有很大的差距，主要體現在我國政府績效審計相對落後。
  15. In a word, the landscape heterogeneity exist in different scales and so the green space has a landscape pattern which is much favor to the stability of ecosystem. 4 ) : its green patch ' s figuration index and fractal index are correlating with its tree diversity index and the shape design of different styles patches in this park is adapted to the planning of its trees diversity. 5 ) : its gr een patch ' s figuration index and fractal index are not correlating with its plant community dissimilarity index and so the design of the landscape heterogeneity in the interal patch is not suitable for its pattern

    花港觀魚公園綠地景觀格局參數中斑塊形狀系數與分維數都與各斑塊樹種多樣性指數表現出相關性，滿足了生態系統空間相關性的要求。花港觀魚不同類型綠地斑塊形狀與樹種多樣性配合設計是成功的。花港觀魚綠地不同類型斑塊內部群落相異性指數與其對應的斑塊格局參數沒有呈現相關性，這個綠地生態系統的植物群落差異性屬性不具有空間相關性，花港觀魚綠地斑塊內部異質性設計與其景觀格局不匹配。
  16. The gap between designers ' interpretations and users ' understanding of product form is recognized as coding - this can be divided into two diametrical positions : encoding ( where signs are produced ) and decoding ( when signs are received )

    設計師詮釋產品造形的原構想和使用者理解的結果，因為符號與符碼的效應而有所落差，以相對應的兩個角度來看，即為編碼（產生符號）與解碼（接收符號） 。
  17. ( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability

    （ 3 ）關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? ）基於對有限差分離散的分析，提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型，指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。
  18. Therefore, how to determine a proper trade - off line of materiality threshold to satisfy both the providers and users of accounting information is a critical subject in this research, because any failure will trigger the " expectation gap ", which may lead to a legal liability on providers of accounting information

    然而，這條劃分有限責任的重要性界線應當如何確定，才能同時滿足會計信息供需雙方的需要，是研究重要性判斷時的主要課題。因為劃分不當形成的「期望落差」 ，可能給會計信息提供者帶來法律責任。
  19. The landform along the route of lan - cheng - yu pipeline varies largely in elevation, . which makes the hydraulic calculation differ from that of other previous pipelines

    蘭成渝成品油管道沿線地形復雜，落差大，工藝計算中有別于以往任何一條管道。
  20. Based on such background this system brings forward microcomputer monitoring and controlling technique to pvc process in production, researches ipc - plc distributed control system, applies new algorithm of measurement, realizes automatic compensation of dropping of material and automatic amendment of high - speed measurement in the dynamic measurement, improves dynamic measurement precision and speed in pvc continual production. at the same time, this system accomplishes the whole process in airtight pipelines and storehouses, realizes dustless production, clean producing condition, automation, scientific management, meets the demand of modern production, makes some new exploration and creation in production of pvc industry

    基於這樣的背景，本論文對pvc塑料生產的整個工序提出計算機監控技術，研製出ipc - plcdcs系統，運用一定的給料演算法，實現系統動態稱量中落差的自動補償與粗流給料設定值的自動修正，提高了pvc連續生產中動態稱量的精度與速度，並將整個生產工藝規劃於密閉管路和各種料倉中進行，實現作業無塵化、環境優化、生產自動化與管理科學化，適應當前現代化生產的需求，為pvc塑料工業的發展作出新的探索與創新。
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