運動常量 的英文怎麼說
中文拼音 [yùndòngchángliáng]
運動常量
英文
co tant of motio-
Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit
燃燒所引起的運動形式之一-熱對流傳熱,不斷地加速度地從熱源體傳導給容器中的液體,由那凹凸不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來,一部分被吸收,另一部分被傳導,使水的溫度從常溫逐漸升到沸點。這種溫度的上升可作為消費結果標志如下:將一磅水從華氏五十度加熱到二百十二度,需耗七十二熱量單位。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。The geodimeter measurements executed in april also disclosed very rapid and complicated horizontal crustal movements.
四月份進行的光電測距儀測量也揭示水平地殼運動是非常快而復雜的。Civil society is a very powerful political force in the uk campaigning for causes as diverse as environment, workers and fathers rights
在英國的競選運動中,民間團體在環境、工人和父權等很多方面顯示了非常強大的政治力量。Manual hyperinflation is a medical practice intended to restore pulmonary vesicles by applying time constants and the principle of inspiration terms
摘要手動式高度充氣擴肺術是運用時間常量及吸氣時間原理令肺泡回復。Ordinarily, random thermal jigging of the molecules prevents sound waves from behaving analogously to light quanta
通常,分子的隨機熱運動,會讓聲波的行為和光量子有別。Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )
提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明,在編碼性能損失很小的條件下,可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。Do exercise everyday. it can help to increase the peristaltic movement of the intestine. be relaxed
每天有適量的運動,可協助腸臟蠕動,應經常保持心情輕松。So as the enter point of the stream, the income of the reservoir, the time of the flood peak lasted, the quantity of sandiness income and the strobe of the darn. we must do some work to forecast and watch the different density stream. by experiments, we made out that it is impo rtant for us to reduce the water lever in work of the river belongs lots of sandiness
從異重流試驗看,在正常運用下,水庫產生泥沙異重流的機率較大,能否運動到壩前排出庫外,還要看異重流潛入點位置、入庫流量、洪峰歷時、入庫含沙量、水庫閘門運用等因素,需要做好異重流預報監測工作。Virtual axis machine tool ( vamt ) is characterized by the simple structure, high rigidity, large load handling capacity, and non - accumulation of position error. as the supplement of series machine tool ( smt ), vamt has become the focus of research in machine tool, and plentiful research achievements have been acquired in mechanics, kinematics, dynamics, but few in kinematic control
虛擬軸機床具有結構簡單、剛度大、承載能力強、位置誤差不積累等特點,在應用上與串聯機床成互補關系,現已成為機床領域的研究熱點,並在機構學、運動學和動力學研究上取得了大量成果,而對運動控制的研究非常少。And just so youknow, exercising while consuming a small calorie intake justmakes the situation worse
如你所知,運動卻攝入少量的卡路里非常糟糕。A lightweight, often striped or brightly colored sports jacket having pockets and notched lapels
運動夾克一種質量輕,常有條紋或色彩鮮艷的運動夾克,有衣袋和v字形翻領By measuring the impact of activities of daily living on energy expenditure, professor james levine s non - exercise activity thermogenesis ( neat ) theory shows us why calories that people burn in their everyday activities are far more important in obesity than we previously imagined. according to professor levine, low neat and sedentary living go hand - in - hand while neat - active living may be the key to preventing and reversing obesity
Professorjameslevine的非運動形式活動之生熱作用(簡稱"非運動生熱作用" )理論,用作量度人們日常活動對熱量消耗的影響,並解釋了為什麼日常活動所消耗的卡路里在超重的問題上比我們想像中更重要。Weight lifting and stretching are also very important exercise but often being neglected
重量及伸展運動是常被人忽略,但也是很重要的運運。By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism
摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上,根據列車平穩受流對受電弓提出的各項要求,以受電弓升弓時機車前進方向上的縱向偏移量和弓頭平衡桿的平動為目標,以受電弓正常升弓所需升弓轉矩等為約束,運用基於遺傳演算法的多目標優化技術,對該型受電弓機構進行了優化,得到了使受電弓運動性能達到最優的幾何參數。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。A set of non - linear differential equation of this model is formulated based on lagrange ’ s equation. the tension of the cable, the control force of translation and the control torque of rotation are obtained by the method of newton ’ s laws in vector space. the tethered mass system is modeled as a spherical pendulum
本文基於一種常見的繩系單體系統,運用lagrange方程建立了該系統的非線性運動微分方程,採用矢量法對該運動微分方程進行了校核,並推導出吊索的張力、變幅控制力和回轉控制力。It is believed by these algorithms that very good matches are likely to be found in the vicinity of reasonably good matches. although this assumption might not be necessarily true, it is useful for reducing the computation as the search can be broken down into stages where the algorithm successively narrows down on the regions of good matches. there are a large number of algorithms that make this assumption and these may be classified as algorithms based on the principle of locality
目前用於計算運動向量的快速搜索法經常因為陷入局部最小而不能準確的計算到運動向量或者計算量過大讓人不能接受,提高運動向量估計的計算速度對于實時視頻壓縮編碼有著重要的意義,更重要的是要在保證估計精確度的前提下提高提高運動向量估計的計算速度,常見的搜索法往往不能在陷入局部最小和計算量上找到一個合適的平衡點。This paper research the mpeg - 4 standard first and realize the encoder and decoder of video of mpeg - 4. then the paper emphasize two key techniques in mpeg - 4 encoder : motion estimation and sprite encode. motion estimation takes the largest time in all parts of mpeg - 4 encoder. the paper concluded some typical me techniques, research and realize the mvfast arithmetic whice is recommend by iso, then improved mvfast by considering the temporal candidate motion vector and adjustal thresholds
然後,本論文重點研究了mpeg - 4編碼過程中兩項關鍵技術:運動估計和背景圖像編碼。運動估計是編碼過程中最重要,耗時最長的部分。本論文總結了常見的運動估計演算法,深入研究並實現了iso推薦的運動估計優化演算法mvfast ,在此基礎上,引入了時間參考運動向量和可調的門限參考值,對mvfast演算法進行了改進。According as the base principle of digital video motion parameter estimating, placed emphasis on discussing the block - matching method in motion estimation, gave a intact n - search method, simulated in computer according to the s - vga standard of digital video, and got a accurate motion vectors
依據數字視頻運動參數估計的基本原理,重點討論了運動參數估計中最常用的塊匹配法,給出了一個完整的n步搜索法方案。以數字視頻演播標準s - vga為標準,採用計算機模擬得到了正確的運動矢量。分享友人