速度象差 的英文怎麼說

中文拼音 [xiàngchā]
速度象差 英文
velocity aberration
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中,論文採用了圖的灰分的絕對值之和的平方作為焦距評價函數,解決了是否正確聚焦的快判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦和精都得到了很大的提高。
  2. The globalization has become the seedbed for terrorism which accompanies the globalization all the way : it accelerates the difference between the south and the north, the polarization of the wealth ; hastens the conflicts of different cultures and religious beliefs ; speeds up the promotion of high technology and advanced weapon technology, which modernizes the terrorist ’ s weapons ; places the western countries under the stress of shifting their development priority to the east, as a result, worsening the “ modernization frustration ” situation in underdeveloped countries. america ’ s short - sighted behaviour may be the remote cause for the wild

    全球化成為滋生恐怖主義的新溫床,恐怖主義是全球化的一種伴生物:全球化加劇了南北距和貧富分化;全球化促進不同文化、宗教觀念的沖突;全球化加了高科技的普及與先進武器技術的擴散,使得恐怖手段日益現代化;全球化使西方發展模式「東移」的壓力和加大,使發展中國家出現「現代化挫折」現加劇;美國缺乏遠見的作為是全球化進程中的恐怖主義泛濫的重要誘因。
  3. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上,對系統的底層數據模型進行設計,選擇了文件與成熟數據庫相結合的混合策略,併兼顧面向對的數據庫( oodb )和可擴充數據庫( edb )的特點,建立了一個概念層次清晰、面向地理對實體的雙層語義數據模型以及支持模型的查詢語言g - sql ,同時對地下管線的各種測試方法進行分析研究,建立了地下管線測量平計算模型,並以此對所勘測的地下管線進行核算,計算結果表明,計算模型不僅大大提高了核算的,同時在計算精上也符合核算的要求,是符合實際要求的關于測量平計算的模型。
  4. In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang

    為了弄清這次暴雨過程各氣要素場的演變情況,分三方面對暴雨的水汽條件(使用了溫露點、相對濕、水汽通量和水汽通量散) 、動力條件(使用了散、渦和垂直)和垂直層結條件(使用了位溫、靜力穩定和潛在不穩定以及沈陽單站的8個物理量的垂直廓線)等的變化,分別進行了診斷分析。
  5. To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film

    為了優化儀器的檢測靈敏和穩定性,選用氧化鋅薄膜上的zno / si臺階作為測試對,檢測了zno / si的接觸電勢;通過改變儀器系統參數,發現針尖-樣品距離和掃描對接觸電勢的檢測結果影響顯著。
  6. Besides, improving the social environment of honesty and trust, clearing the property rights will help reduce credit rationing. on the macro - level, the following conclusions are drawn. the speed of economic growth will slow down owing to credit rationing ; over - borrowing, which is the other side of the coin, will bring a lot of negative effects to enterprises ; the flowing of credit capital from vulnerable market to advantageous market will reduce the welfare of the whole society, and enlarge the gap between these two kinds of markets, which will make the financial system much more fragile

    論文分析了信貸配給在宏觀層面的影響,指出:信貸配給延緩了經濟增長的;過多借款與信貸配給現是一個硬幣的兩面,過多的借款會撐死企業;遭受信貸配給的市場和未受信貸配給的市場並存會造成貧富不均的社會問題;信貸資金從弱勢市場向強勢市場的流動將使整個社會的福利受損,使兩個市場間的投資邊際回報距更加擴大,從而使整個金融體系更加不穩定。
  7. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對,從以和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限分法對柱坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。
  8. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對教室里的冷熱感、氣流感和潮濕感,通過編製程序求得預測平均熱感覺評價pmv的值,比較pmv和問卷調查得到的平均熱感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現場問卷調查的結果進行分析,得出了室內空氣溫、氣流、相對濕與人體主觀感覺之間的回歸曲線,發現重慶地區高校學生熱中性時的空氣溫為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫為25 . 0 ,兩者相0 . 5 。
  9. Two typical examples analyses are conducted for the average conditions both of winter and summer climates under vapor diffusion and air leakage. a further discussion is set forth to determine the main factors that the moisture accumulation in wall is affected. it is found that the factors are the relative humidity at the wall surface, indoor temperature, permeability, air pressure difference and rate of the infiltrative or exfiltrative airflow

    本文首先研究了墻體內的濕氣遷移過程,詳細分析了濕積累現形成的原因,通過對夏、冬兩季平均氣候下墻內溫、水蒸氣壓力、相對濕及濕積累在僅有擴散、擴散與空氣滲透同時存在等情況所作的具體計算,發現墻內、外表面的相對濕、室內溫、滲透率、空氣壓以及空氣的滲流是影響墻內濕積累的主要因素。
  10. Scientists at johns hopkins have discovered : striking " differents between men and women in a part of the brain linked with ability to estimate time, judge speed, visualize things three - dimensionally and solve mathematical problems

    約翰,霍普金斯大學的科學家已發現在大腦中與估算時間,判斷,想三維事物以及解答數學題等能力有關的部位,在男女之間存在驚人的別。
  11. The establishment of gear fault data warehouse the paper studies several gear cases in drive lab of wuhan university of science and technology. the signal of normal gear pair, the one has been worn seriously, the one which has circular pitch error and the one whose pinion has a ruptured tooth is acquired independently. after fft transformation, the amplitude values of 0 - 0. 4 multiple engage frequency, 0. 4 - 0. 5 multiple engage frequency, 0. 5 - 1 multiple engage frequency, 1 multiple engage frequency, 2 multiple engage frequency, 3 multiple engage frequency, 4 multiple engage frequency and greater then 4 multiple engage frequency of every signal are obtained respectively

    論文主要完成下列內容: 1 .齒輪故障數據倉庫的建立以武漢科技大學傳動實驗室的若干臺齒輪箱為研究對,分別採集正常齒輪副、磨損嚴重的齒輪副、有周節誤的齒輪副和小齒輪有一個斷齒的齒輪副的振動加信號,經過fft變換,分別得到每個信號的0 ~ 0 . 4倍嚙合頻率、 0 . 4 ~ 0 . 5倍嚙合頻率、 0 . 5 ~ 1倍嚙合頻率、 1倍嚙合頻率、 2倍嚙合頻率、 3倍嚙合頻率、 4倍嚙合頻率和大於4倍嚙合頻率幅值。
  12. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。
  13. It can provide higher speed and alleviate the spectral degradation which usually goes with the existing algorithms, as well as constrain speckle noise of radar images. in respect of image fusion algorithm, the fusion rules and operators are essential. a new set of fusion rules and corresponding operators are given in this thesis

    實驗證明,在融合源圖特性異較大的情況下,該演算法與已有的基於小波分析的遙感圖融合演算法相比較性能更優,具有運算快、減少光譜退化的特點,並能在一定程上抑制相干斑噪聲。
  14. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域異衡量指標體系,在此基礎上,藉助spss統計分析軟體,運用主成分分析法,對湖南省14個市州經濟發展綜合水平的異狀況進行了研究,結果表明:長沙市的經濟發展綜合水平在14個市州中遙遙領先,反映了湖南省經濟發展空間結構的「單極主導」特徵;通過計算人均gdp的標準和標準系數,研究區域經濟異的總體水平及區域經濟不平衡發展的演變趨勢,發現90年代以來湖南省各市州人均gdp的絕對異和相對異都在逐年擴大,其中絕對異隨年份直線上升,且這種異擴大的趨勢在短期內難以改變;通過計算各市州人均gdp與全省人均gdp的離和比率、各市州發展異及產業結構的異,認為湖南省區域經濟異的空間特徵是:湘東京廣沿線地區基礎較好,發展較快,湘西地區發展緩慢,地區異不斷擴大;通過以縣為對異研究發現在湘東湘西異的大背景上還有核心區與邊緣區的異,它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層異特徵,最落後的縣分佈於湘西、湘南、湘
  15. At present, it is still in the middle stage of kuznets curve ; the differences of income in the interior of the east and the west are bigger than the middle, and they have been in the scope of income inequality which is regarded to be bigger by the international ; the phenomenon of " the club convergence " of income growth of the fanner between the east and the middle is obvious, but this can not appear between the east and the west, the west and the middle ; the differences in the interior of the high income area and the low income area are smaller than in the interior of the other areas in which the differences are increasing, this conforms to " the u " theory. by adopting theil model to analysis the general farmers incomes differences based on various regions, it is showed clearly that the farmers income inequality among different areas is the main reason to result to rural income differences. this part contents chapter 1, chapter 2 and chapter 3

    結果表明,無論從那個角來看,改革以來,我國地區間農民收入均呈現異擴大的態勢,而且擴大的快,幅大,且目前仍處在庫茲涅茲所提出的「 u型」曲線的中期階段;東部與西部地區內部各省之間收入異較大,目前已進入國際上公認的較大不平等的范圍,而中部內部異較小,目前仍處于合理范圍之內;同時農民收入增長在東部與中部之間出現了新經濟增長理論所揭示的「俱樂部收斂」現,而這一現在東部與西部、中部與西部之間卻沒有發生;高收入與低收入水平區內部異小,而介於中間收入水平的區域內部異較大,且保持著較強的擴大趨勢,這一點基本上與「 u型」理論的結論相符。
  16. However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise

    然而與目前普遍使用的噴嘴擋板伺服閥相比,射流管伺服閥的銜鐵組件轉動慣量大,導致力矩馬達部分固有頻率低,從而響應慢,此外,射流管供油管柔性大,容易產生自激現,這些缺點都使得射流管伺服閥的動態特性,從而影響了它的工作性能。
  17. She was as fast, but not as well fitted up, as the mongolia, and aouda was not as comfortably provided for on board of her as phileas fogg could have wished

    它的航行和蒙古號不多,但是設備卻不如蒙古號好。艾娥達夫人所住的房艙也完全不福克先生所希望的那樣舒服。
  18. On the basis of deep research of its working principal, basic algorithm and error spread character, the gyro constant drift, acceleration zero error and constant initiation error of static pedestal strapdown inertial navigation system are quantitatively analyzed. furthermore with the medium precision inertial navigation device as the simulation object, we made some mathematical simulation

    詳細研究了捷聯式慣性導航系統的工作原理、基本演算法和誤傳播特性;對靜基座條件下捷聯慣導系統中陀螺常值漂移、加計常值零位誤和常值初始條件誤引起的系統誤進行了定量分析;以中等精的慣性器件構成捷聯慣導系統作為模擬對,進行了數字模擬。
  19. ( 5 ) discovered a abnormal law that the sonic velocity was enlarged with increasing of die core porosity in the sandstone reservoir of the haojiagou formation in triassic, and gave a geologic interpretation about the phenomenon. it was helpful to convert the sonic velocity into die porosity correctly in reservoir. ( 6 ) gave a primary reason for producing a little oil and gas in the well ha - 2 and ha - 3 of the sidaogou structure

    通過取心段地層巖性與聲波測井分析,首次發現郝家溝組儲層段巖芯孔隙與聲波時(聲波)存在反常變化規律,並對這種現進行了較合理的地質解釋;提出了儲層預測中應注意的問題,首次提出在本區按常規方法利用聲波時換算孔隙存在陷阱。
  20. Because the police fingerprint database is very large and the fingerprint image is often noisy, we paid more efforts on extraction of singular point from the noisy image and improve the fingerprint classification speed. we have obtained some result in the following research areas : 1 ) fingerprint extraction. we extract fingerprint image by two steps : coarse extraction and fine extraction

    針對公安指紋數據庫樣本數量多(一般都在萬枚以上) ,指紋圖質量相對比較的特點,我們把研究重點放在從質量的指紋圖中準確可靠地提取奇異點特徵以及提高分類上,並在以下幾個方面取得了一定的研究成果: 1 )指紋分割。
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