相對速度計 的英文怎麼說

中文拼音 [xiāngduì]
相對速度計 英文
speedometer
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 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
  • : 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...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 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 this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針一下部有集中熱源的地板送風空調小室,利用phoenics軟體,在算分析小室內氣流的場及溫場的基礎上,流熱轉移量的變化規律做了算分析,最後得出于下送風小室的流熱轉移量與熱源的個數、送風口個數、熱源強、送風量等因素有關,並且得出了其關關系式。
  2. The case analysis centers on the reason why the port production development slows down. with the spss 11. 0 statistic software, correlation ^ egression and curve estimation analysis have been carried out on guangzhou port ' s cargo sources and production capability. at 95 % confidence, it comes such a conclusion that guangzhou port has sufficient cargo sources but will become incapable in production

    案例分析圍繞港口生產發展下降的原因展開調查,並應用spss11 . 0統軟體包,廣州港貨源和生產能力情況進行關分析、曲線擬合分析和假設檢驗,在5置信上得出「廣州港貨源充足但港口生產能力不足」的結論。
  3. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    強力電磁閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設密切關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強激和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉;採用自舉吐路,降低了場效應管驅動電壓的要求。
  4. The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing

    在自行設的連續電泳萃取池內實驗研究了電場強、兩等因素丁醇萃取率及傳質通量的影響。
  5. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先及其測試技術的發展歷史和現狀,液浮擺式加的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設方案,並從控制理論的角進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析、采樣約束以及測試精等基本問題,並按照系統分析的結果設了包括前置放大、帶通濾波、交流放大、敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設,實現了測試功能。
  6. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中,利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面曲率、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的和接觸區域算問題,並獲得有益的結論。
  7. This essay takes the method of listing equations of gears " surface directly and installing them in appropriate coordinate system to establish the mathematic model for analyzing engagement of spiral helical gear. programs use this mathematic model to make numerical computation as well as to output the contact domains diagram and the relative velocity diagram on this foundation

    本文採用直接列寫齒面方程、在適當的坐標系中安裝的方法,建立了螺旋齒輪嚙合分析的數學模型,編製程序利用該數學模型進行數值算,並在此基礎上輸出接觸區圖和圖。
  8. The instrument panel is simple, while still presenting the important information in big gauges : speedo, tach, fuel and coolant temp

    訊息顯視儀表盤上設簡單,但仍然大的呈現重要數據:表、發動機轉數表、燃料及冷凍劑溫儀。
  9. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演算法,主要內容可分為以下幾個方面:首先從積分形式的二維lagrange流體力學方程組出發,用有限體積格式進行算,考慮壓力梯分佈和能量改變的影響,構造了在兩個控制體上的動量方程的算格式,使得的改變受其周圍八個壓力的影響,在一定程上推遲了網格交的進程。
  10. As a result, this design accomplishs the function of circuit, which not only can satisfy the high speed image data transmission of large screen system and improve the performance of circuit, but also increase the flexibility of circuit design. in the design, it is possible to act hardware description language procedure according to the practical application demand, instead of revising hardware design of the circuit, which reduce the design cycle and the cost

    所以,本課題運用可編程邏輯器件來完成電路功能,不僅能夠滿足大屏幕系統高圖像數據傳輸的要求,改善了電路性能,而且增加了電路設的靈活性,設中可以根據實際應用的需求靈活修改應硬體描述語言程序,而不需要修改電路硬體設,縮短了設周期,降低了成本。
  11. 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

    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象教室里的冷熱感、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,現場問卷調查的結果進行分析,得出了室內空氣溫、氣流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算出的預測熱感覺為中性時的空氣溫為25 . 0 ,兩者差0 . 5 。
  12. 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象形成的原因,通過夏、冬兩季平均氣候下墻內溫、水蒸氣壓力、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算,發現墻內、外表面的、室內溫、滲透率、空氣壓差以及空氣的滲流是影響墻內濕積累的主要因素。
  13. Normal section linear diagram of two gears " surfaces, which is on the arbitrary section, has also been protracted. the writing validated the correctness of the mathematical model and experimenting on contact region of spiral helical gear ' s surface validates theoretical analysis

    利用算機模擬了兩齒面在三維空間中接觸的情景;描繪了三維空間中的大小及方向;繪制了任意法截面上兩齒面法截線的圖形。螺旋齒輪齒面接觸區進行了實驗研究,驗證了本文中數學模型及理論分析的正確性。
  14. The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences. choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived, which is based on analyzing kalman filter theory

    首先介紹了卡爾曼濾波理論及關技術,建立了系統卡爾曼濾波的狀態方程和觀測方程;首先採用誤差作為觀測值,詳盡的研究了系統機動特性可觀測性和可觀測的影響,並做了大量模擬實驗:通過濾波原理的分析研究了影響的原因;分別選用加輸出誤差和轉臺輸出姿態角誤差作為外部觀測值,推導建立它們的觀測模型,並通過模擬證明了分析結論的正確性。
  15. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷波勘探的原理和f - k域分析法的算過程,分析了各參數瑞雷波算的影響,通過實驗數據分析了影響瑞雷波勘探的主要因素,就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  16. As a new velocity sensor, fvisar has the merit of compact structure, short coherence length, easy to adjustment light path, any fringe constant and so on. the principle of fvisar analyzed from two different theories ( traditional coherent theory and doppler frequency shift theory ) lead to the same velocity equation which is the solid theory foundation of the fvisar design

    第二章分別從經典的光干涉理論和多普勒效應兩方面fvisar的工作原理作了詳盡的理論分析,兩者得出了同的算公式,從而為全光纖傳感器的設打下堅實的理論基礎。
  17. The main contribution of the thesis is seen as follows : aiming at the fault with slow speed and high power dissipation of the conventional phase - frequency detector, a high speed and low power dissipation phase - frequency detector is designed by modifying the structure of the single phase lock dynamic d flip - flop and adding the delay cell in the feedback loop to eliminate the phase detector ’ s dead zone effectively

    論文的主要貢獻為以下幾個方面: 1 .針傳統鑒頻鑒慢、功耗高的缺點,改進了單時鐘動態d觸發器的結構,設出了一種高低功耗的鑒頻鑒器,在反饋迴路上加入延遲單元,能有效的消除鑒死區。
  18. Compared with the common inertial devices, they offer significant practical advantages. thermal optimization of the micromachined convective accelerometer was theoretically conducted and experimentally tested. the effects of sensor position, cavity size, operating power and gas media on the sensitivity, linearity and response frequency of the convective accelerometer were numerically analyzed

    採用數值模擬和實驗結合的方法流加進行了優化分析,研究了溫傳感器的位置、器件尺寸、加熱絲的加熱功率和工作氣體種類的靈敏、線性和響應頻率的影響。
  19. Abstract : the climate general situation of the highest temperature, relative humidity and wind speed in relation to the body feeling temperature from june to september in qingdao city was analysed statistically. according to the calculating model of body feeling temperature and distribution characteristic of relative meteorology elements, an empirical formula was derived. the body feeling temperature distribution in different scopes corresponds to different hotness index and comfortable feeling of outdoor people

    文摘:統分析了青島市區夏季( 6 9月)與體感溫關系密切的最高氣溫、和風的氣候概況;根據體感溫算型式和有關氣象要素的分佈特徵,得出其經驗算公式;分佈在不同區間內的體感溫應著不同的暑熱指數及戶外人群的舒適感受。
  20. Then, the phase - space equations is presented based on the two - mass - oscillator dynamic equations, taking the relative velocity as the factors, to get the criterion as how to distinguish the stick phase and slip phase, which give a great convenience to optimize the design, and stability and control strategy. the response is studied following

    然後根據二元摩擦振子動力學方程,建立運動狀態方程;並轉化為狀態量,通過狀態量的討論建立判別粘滯與滑動狀態轉換過程及劃分標準,狀態空間的建立為球基微操作器的優化設,控制理論以及穩定性討論奠定理論鋪墊。
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