瞬時能量 的英文怎麼說

中文拼音 [shùnshínéngliáng]
瞬時能量 英文
instantaneous energy
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後,對全文進行了總結,並指出今後研究工作重點。指出:得到各方向的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用方向性好,輻射強度高的激光源代替常規的黑體爐,得到輻射干涉投影圖像,這樣就所介紹系統不的發光火焰溫度分佈。
  2. Adopt advanced microprocessor for smart control, it is suitable for display and control temperature, humidity, pressure, liquid level, instantaneous flow, speed and so on in many physical quantity inspect signal, and can data - logging multi - channel measure signal

    採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示控制,可巡迴檢測多路測信號。
  3. Intelligent multi - channel data - logging display controller adopt advanced microprocessor for smart control, it is suitable for display and control temperature, humidity, pressure, liquid level, instantaneous flow, speed and so on in many physical quantity inspect signal, and can data - logging multi - channel measure signal. it also can carry on high - accuracy linear correction to various non - linear input signals

    雙迴路數字光柱顯示控制儀採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示及控制,並對各種非線性輸入信號進行高精度的線性校正。
  4. Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given

    基於上述方法,文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分信號進行了頻率估計,並與其他幾種常用頻率估計方法的性以及crb進行了系統比較。
  5. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累間的多普勒頻率近似呈線性變化,通過對較短數據利用relax的頻分析方法,提高了頻率域上目標分辨的性。由於橫向解析度取塊于橫向積累間,所以利用radnwigner變換得到的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大分析結果表明此方法的有效性和可行。
  6. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確定不同訓練樣本對函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練誤差的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程夠很快的「跳出」局部極小區域而達到全局最優。
  7. Through analyzing and researching the problem of variable frequency to working frequency of high - power electromotor in theory, the key of conversion is pointed out in the paper. on the basis of analyzing equivalent circuit diagram and vector - diagram of induction - motor, the phase of working frequency power whether or not consistent with the output phase of variable frequency power at the moment of conversion is the key to decide whether the conversion is successfully

    本論文針對大功率電機變頻轉工頻轉換存在的問題在理論上作深入細致的研究,根據感應電動機的等效電路和相圖分析,指出大功率電機變頻轉工頻否成功,關鍵在於變頻轉工頻,工頻電源和變頻輸出電源是否相位一致。
  8. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同為加快差動保護的動作速度,對基於故障分采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  9. Since the departing process of fire work departing installation is a highly nonlinear transient dynamic process, it relates to many speciality field, and the characteristic of the material is very complex under the highly rate and highly pressure distortion, the design methods and the design formulae by experience which has been used for a long time are very limited, the facter which truly affect the departing process of fire work departing installation cannot been reflected in the design calculation, the structure modelling and optimization of the fire work departing installation is cannot been carried out by the traditional optimization method

    由於火工分離裝置的分離解鎖過程是一個高度非線性的態動力過程,涉及多個學科和專業領域,而且材料在高速高壓條件下性態十分復雜,長期以來所沿用的經驗設計方法和設計經驗公式的局限性很大,對火工分離裝置分離解鎖過程一些實際有影響的因素不地反映到設計計算中來,採用傳統優化方法無法實現火工分離裝置的結構優化建模和計算。
  10. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水動力系數,計算包括不同吃水的附加質和阻尼系數,吃水范圍涵蓋了船舶大幅度運動所有可的吃水;然後建立和求解船舶大幅度運動方程,在實際計算一方面考慮了運動模態之間的耦合,另一方面在計算水動力,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水變化,靜浮力的計算精確到船體濕表面積,最後用四階龍格?庫塔方法在域內求解船舶運動方程,並進行了載荷計算。
  11. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小、長間激發波來實現沖擊震源產生的大激發波。在利用可控震源進行地震勘探,要求地震儀長間記錄地震信號,這對地震儀的采樣長度提出了很高的要求。受存儲和數據傳輸速度的限制,絕大多數地震儀很難對如此大的數據進行記錄,同,可控震源要求地震儀有兩個輔助通道並且具有數據相關功,目前國內還沒有出現滿足要求的地震儀產品。
  12. Study on the maximum displacements of bilinear system based on instantaneous input energy method

    基於瞬時能量的雙線性系統最大位移研究
  13. 8 - loop flash alarm controller adopts advanced microprocessor for smart control, and can match use with our any control instrument or other contact control instrument. it can detect simultaneously 8 - loop signals. inputs and mainframe both adopt photoelectric isolation structure

    多路巡檢顯示控制儀採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示控制,可巡迴檢測多路測信號。
  14. The field workstation works under the mode of two - computer hot backup, with the function of collecting the transient parameter of natural gas, calculating the flux, accumulating the flux, showing, saving, alarming, sending the data to server, generating and printing all kinds of report forms

    現場工作站採用雙機熱備份工作模式,完成天然氣實參數的採集、的計算、流累積、動畫顯示、數據存儲、實數據上傳到服務器、數據報警、各種工作報表的自動生成和列印功
  15. The intelligent measuring meter configured by scm ( single chip microprocessor ) system is to sample and process the voltage signal output by the sensor, calculate and display the value of instant flow and total flow. furthermore, it can show the chargement according to the price of water set through the keyboard

    以單片機應用系統為核心的智儀表負責對傳感器的電壓輸出信號進行採集和處理,計算和顯示出被測水流的和累積流,並可根據所設定的單價實現水費的自動計價。
  16. Adopts advanced microprocessors for smart control, and it is suitable for display and control for many variables such as temperature, humidity, pressure, liguid level, instantaneous flow, speed, and so on, as well as can carry out the linear calibration with high accuracy for various non - linear input signals

    採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示及控制,並對各種非線性輸入信號進行高精度的線性校正。
  17. Single - loop flash and sound alarm controller adopts advanced microprocessor for smart control, and can match use with our any control instrument or other contact check control instrument. it can be conveniently fabricated into multi - loop alarm system. on the field normally open normally closed input mode are optinal for users

    超大屏幕單迴路數字顯示控制儀採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示及控制,並對各種非線性輸入信號進行高精度的線性校正。
  18. Double - loop digital light column display controller adopts advanced microprocessors for smart control, and it is suitable for display and control for many variables such as temperature, humidity, pressure, liguid level, instantaneous flow, speed, and so on, as well as can carry out the linear calibration with high accuracy for various non - linear input signals

    數字光柱顯示控制儀採用先進的微處理器進行智控制,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示及控制,並對各種非線性輸入信號進行高精度的線性校正。
  19. This series products adopted the surface package modularization craft, have improved greatly the anti - interference ability of the instruments, have display, transmit communication, universal signal input function and so on. they apply to indication and control of various physical quantity check signal such as temperature, humidity, pressure liguid level, instantaneous flow, velocity etc., and for various nonlinear input signal can carry out high accuracy linear compensation

    本系列產品採用表面封裝模塊化工藝,大大提高了儀表的抗干擾力,具有顯示控制變送通訊萬信號輸入等功,適用於溫度濕度壓力液位速度等多種物理檢測信號的顯示及控制,並對各種非線性輸入信號進行高精度的線性校正。
  20. After analyzing the present situations of flowmeters, applications of single - chip computers in flow measurement meters, and the development trends of flowmeters, we ' ve designed an advanced intelligence vortex flowmeter, which can display the results on - the - spot ( includes instantaneous flow, total flow, temperature, pressure, and surplus capacity of the cell ), communicate with the upper computers through the serial port and realize automatic copying meters

    本論文通過對現有流計及單片機在流檢測儀表中的應用現狀的分析,結合流計的發展趨勢,設計了一種先進的智渦街流計,它現場顯示測試結果(包括、累計流、溫度、壓力、電池剩餘容) ,並且通過串口可與上位機通訊,實現自動抄表功
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