瞬時精度 的英文怎麼說

中文拼音 [shùnshíjīng]
瞬時精度 英文
temporal precision
  • : 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...
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻接收機的體制和靈敏、動態范圍、工作帶寬、測頻等設計參數,通過改變預選器組成、本振頻率和本振帶寬,分析接收通道的中頻選取原則,以實現跳頻接收機的互調抑制設計。
  2. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上,本文採用較高的三角形六結點單元對構件截面二維非線性態溫場進行了有限元分析,即在空間域內採用有限元網格劃分,在間域內採用有限差分網格劃分,據此編制了計算程序,計算結果與試驗數據符合較好,程序穩定性好,滿足要求。
  3. This method of diesel engine fault diagnosis is feasible theoretically. while the fault diagnosis system using this method is rare, just because the crankshaft instantaneous angular acceleration measurement is demanding, such as, good frequency response, high precision

    這種柴油機故障診斷的方法在理論上是可行的,但目前這種成型的系統不多,究其原因是測量曲軸的角加速需要系統具有良好的頻率響應特性與高
  4. 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能控制,適用於溫壓力液位流量速等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高的線性校正。
  5. The system has 6. 8mhz digitalizing bandwidth and 70db instantaneous dynamic range, which can be obtained by using rf / if converter vxi3570, high precision digitalizer e1437a and proper signal processing arithmetic

    系統數字化帶寬設計為6 . 8mhz ,選用rf if變換模塊vx13570 、高數字化儀e1437a和適當的信號處理演算法可獲得70db以上的動態范圍。
  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能量函數的貢獻,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; ( 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; ( 3 )在採用梯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,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  7. 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量和阻尼系數,吃水范圍涵蓋了船舶大幅運動所有可能的吃水;然後建立和求解船舶大幅運動方程,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。
  8. The relative exploration methods include : tem, csamt, seismic prospecting for metal deposits, geophysical prospecting in well, deep penetrating geochemical exploration, high resolution magnetic, and high resolution gravitational exploration

    相關的找礦技術包括間域變電磁法( tem ) 、可控源音頻大地電磁法( csamt ) 、金屬礦地震方法、井中物探方法、深穿透地球化學方法、高磁法、高重力等。
  9. The improvement to internal ballistic calculation precision of solid rocket motor ( srm ) is important to capture target of missile. and to accomplish it ' s task. calculation of burning surface of propellant grain is essential to interinal ballistic performance calculation

    提高固體火箭發動機內彈道的計算對導彈準確捕獲目標、完成任務有著重要的作用,而發動機工作態燃面計算是內彈道性能計算的基礎。
  10. In this paper, by analyzing the measuring of instantaneous speed, it was found that the main error is come from the angular measuring error, and then the method to decrease the error is given and the measurement precision is improved greatly

    摘要通過分析柴油機飛輪轉速的測量誤差,指出角誤差是飛輪轉速的主要誤差來源,從而提出了減少誤差的方法,提高了轉速的測量
  11. The instantaneous torque measurement system has been improved, which uses slip ring to transmit signal, improved measuring accuracy and stability, the mechanism of occurring of instantaneous maximum torque has been understood during changeover of the main engine

    改進了集流環傳輸信號的扭矩測量系統,提高了測量和穩定性,進一步認清了在主機切換過程中扭矩的極大值產生的機理。
  12. Based on systematical study of each constituent of iss, the foundation, computation and precision analysis of the models of geoid, sea surface topography, mean sea surface and ocean tide are mainly discussed ; the conceive of mean sea surface height model and ocean tidal model suitable to chinese near sea and its neighborhood is provided ; two kinds of iss model are derived out

    本文在系統研究海面高各組成要素的基礎上,主要討論了大地水準面模型、海面地形模型、平均海平面模型和海洋潮汐模型的建立、計算以及評價等問題;提出了建立適於我國近海及鄰域平均海平面模型和海洋潮汐模型的設想;綜合得出了兩種海面高模型,並進行了估計,編制了相應的軟體。
  13. For getting temperature of transient thermal - radiation, lodging the method of measuring the temperature of the time - resolved thermal - radiation with least duple multiply theory, and measuring the temperature of wu lamp with this method, the results showed that the method have best properties for measuring temperature, and measuring the temperature of time - resolved spectrum of matter under pulse laser shocking with this method, getting the primary results

    為了解析態熱輻射溫,提出用最小二乘法對由多道分析器採集的間分辨熱輻射譜進行全譜溫擬合的方法,在以鎢帶燈為輻射源的溫測量中實現了較高的溫擬合,用此方法對激光沖擊靶材所產生熱輻射的間分辨譜溫進行測量,得到了初步結果。
  14. A ptv system was developed which allows particle velocities across a flow plane to be measured at a single instant. ptv presents a new efficient technique in hydraulic measurement

    該系統具有可靠的,能同步量測全剖面的顆粒運動信息,為懸移質運動量測提供了嶄新的技術手段。
  15. It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages

    利用該系統可獲取大量的統計樣本並進行計算機快速分析,為明槽紊流相干結構的試驗研究提供了一種嶄新的測量手段;在前人工作的基礎上,開發了一種能夠測量水流中顆粒運動軌跡的ptv系統,該系統具有可靠的,能同步測量全剖面的顆粒運動信息,為顆粒運動特性及動力學特性的試驗研究提供了強有力的手段。
  16. The paper researches the transient time precision and the following problem of the results developing with time for 2 - d high order blocking and matched method, at the same time, anlysing the stability of high order methods including boundary conditions. the results show that the domain decomposition and matched method using high order method can follow the time developing solution of taylor problem well, the computation result of the flow over a single or two tandem arranging circular cylinder agree the experiment and others " results well, moreover, the panting results of lift and drag coefficient are better than others

    本文利用高分塊耦合求解方法,對其和非定常間發展解的跟隨性問題進行了研究,同也對包含邊界條件的線法高格式的穩定性也作了分析,研究結果表明高的分塊耦合求解方法可以很好地跟隨taylor問題的間發展解,與單圓柱繞流和雙圓柱繞流的實驗結果比較以及他人結果比較符合很好,對升阻力系數在渦脫落的脈動問題的結果優於他人結果。
  17. 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能控制,適用於溫壓力液位流量速等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高的線性校正。
  18. 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能控制,適用於溫壓力液位流量速等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高的線性校正。
  19. 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

    智能數字光柱顯示控制儀採用先進的微處理器進行智能控制,適用於溫壓力液位流量速等多種物理量檢測信號的顯示及控制,並能對各種非線性輸入信號進行高的線性校正。
  20. In order to improve the prospecting precision to the earth of transient electromagnetic method ( tem ), the idea of tem imaging is proposed according to the characteristics of both electromagnetic wave propagation and response : the wave - impedance is calculated from observed data in - field by the way of inverse - faltung and linear digital filter ; the sequence of reflection coefficients corresponding to every tiny - lever move time is calculated by the way of linear programming, and the imaging result section is drawn consequently

    摘要?提高變電磁法的對地探測,從變電磁場的傳播特性和電磁響應特性兩個角?慮,提出了變電磁成像方法:由野外實測磁場感應數據,經過反褶積和線性數字濾波求出波阻抗;用線性規劃法求出每一微層走所對應的反射系數序列,並以此?參數繪製成像結果圖。
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