numerical signal 中文意思是什麼
numerical signal
解釋
數值信號-
Numerical simulation of stochastic resonance in bistable system for detecting weak signal
隨機共振在微弱信號檢測中的數值模擬 -
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。 -
This text for the test of the numerical video frequency system, the diagraph principle and method of the logarithms word video frequency signal carry on a study.
本文就數字視頻系統的測試，對數字視頻信號的測量原理和方法進行探討。 」 -
Lastly, some new techniques of numerical analysis and signal processing for guided wave nondestructive testing are described
論述了導波檢測技術領域中數值分析方法和信號處理方面的一些新技術。 -
To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value
為適應內燃機普遍存在曲軸扭振的情況，本文提出並推導了利用扭振信號反算的新方法（ tvrs法） ，即採用軸系中某一測點的扭轉振動信號，按軸系實際的彈性模型，依據內燃機動力學、數值計算方法和信號理論等，反算各缸的平均有效壓力，定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料，雖然計算工作量較大，但普遍適用於各種類型各種工況的內燃機，有較高的實用價值。 -
Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis
摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解，從而得到若干個基本模式分量，對每個模式分量進行了頻譜分析。 -
As a high - power twt, we consider the relativistic effect of the solid beam. the numerical results are given in terms of the small signal gain curve and slow - wave ration curve
作為大功率的行波管，我們考慮了電子注的相對論效應，數值求解「熱」色散方程，得到脊加載盤荷波導幾何參數和電子注參量與小信號增益的關系。 -
The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods
而系統處理軟體的作用是：利用pc兼容機，將上述裝置的輸出信號（ 1 ）通過并行口輸入（ 2 ）記錄成文件（ 3 ）逐點顯示出來（ 4 ）可人工進行化簡，編輯（刪、改點）等（ 5 ）可在給定誤差范圍內進行人工擬合，用直線和圓弧取代原來的點，得到一個與原圖形的誤差在規定范圍內，又消除跟蹤過程中因受到各種干擾而造成的缺陷，由盡可能少而簡捷的數學曲線描述的圖形（ 6 ）把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件（主要指dxf格式） （ 7 ）該軟體還有一定的加密措施。 -
Numerical simulation of hardened - depth on eddy signal
渦流場量評價材料表面硬化層深度的數值模擬 -
Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled
文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化，以及該狀態對光波的初始相位和初始光子流的要求，研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態，提出了本徵模狀態推拉式非線性光環鏡的全光開關，並數值計算了這種全光開關的性能，數值結果表明，該光開關的性能穩定性好，並且易於實現和控制輸出信號光的光強及相位 -
Using data - collecting system developed by ourselves and controlling different parameters, the author monitors the phenomenon of transient boiling and measures the temperature signal. in order to verify the experimental results, numerical simulation of the steady temperature field is carried out before the transient experiment
利用自行開發的數據採集程序系統對瞬態沸騰現象進行監控和溫度信號的測量；並對瞬態試驗前的穩態溫度場進行了數值模擬，通過與穩態試驗數值的比較，來驗證實驗件的溫度場分佈。 -
The stepping motor is the important component of the numerical control system, because of the characteristic such as high precision, easily controlling, localization accurate, working rapidly and reliable, and can accept the digital signal
步進電機以其精度高、控制靈活、定位準確、起停迅速、工作可靠、能直接接受數字信號的特點，成為數控系統中的重要執行部件。 -
We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on
產品有溫度變送器（一體化溫度變送器模塊（雙支溫變模塊） 、一體化溫度變送器、導軌式隔離溫度變送器、壁掛式溫度變送器、架裝式溫度變送器） 、壓力變送器（擴散硅壓力變送器、藍寶石壓力變送器、濺射式（金屬薄膜）壓力變送器、應變式壓力變送器、陶瓷電阻、電容壓力變送器、 1151 、 3151系列壓力變送器） 、液位變送器模塊（專為液位計廠配套） 、配電器（單迴路、雙迴路） 、信號隔離器（單迴路、雙迴路） 、傳感器（溫度、壓力） 、配變送器的顯示表頭（ 100刻度顯示、 lcd液晶顯示、 led數碼顯示） 、數字儀表等工業自動化儀器儀表。 -
The same problem occurs at the computer output, where it is often necessary to convert numerical output data form the computer into mechanical displacements or analog - type electrical signal
在計算機輸出一樣的問題發生，轉換用數表示的產量數據在哪兒經常是必需的形成計算機進機器的排水量或模擬類型電信號。 -
The three - dimensional profile of the temperature rise, the radial profile of the surface deformation and the diffraction signal of the probe beam obtained with both top - hat and gaussian beam excitations are compared by numerical calculations
求解對應的熱彈方程，得到表面形變場分佈。 2 .通過數值模擬，比較了平頂光束和高斯光束激勵下樣品內部溫度場、表面形變場和探測光衍射信號的徑向分佈。 -
But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity. in this section, gauss, hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n. in section 3, by using fourier transform technique and applying the paraxial approximation in frequency domain, we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space
接著，考慮了幾種特殊的脈沖gauss光束（ pulsedgaussianbeam ） ，結果顯示，在此情況下緩變包絡近似（ slowly - varyingenvelopeapproximation ）理論已不再有效，其失效的原因是，該理論導致了脈沖光束解的空間奇異性，並使脈沖光束不再具有符合物理意義的光束行為，而通過復解析信號的分析方法可以消除這種空間奇異性。 -
Comparing the difference between the small - signal approximation analytical and numerical solutions, it is realized that the small - signal approximation is not an approximate choice for the analysis of the dynamic characteristic of the bistable laser
在對小信號近似解析解與數值解進行比較的結果中，得知小信號近似並不適合雙穩動態特性分析。 -
It is used in conventional real aperture radar for improving angle resolution. numerical and experimental results show that by using awsm. the angular resolution is improved by a factor of 1. 8 when signal - to - noise ratio equals to 15db
實驗結果表明，在15db的信噪比下，採用角度權重方位超分辨技術可以使方位解析度的改善因子達到1 . 8以上。 -
To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra
為了促進下一代超高速dwdm密集波分復用技術的發展，本文還研究了光纖喇曼放大器的增益特性，根據光波非線性傳輸方程建立光纖喇曼放大器增益模型，通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響，得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。 -
Sonic noise can be solved through using arithmetic mean in place of the real numerical value to increase signal and noise ratio
對于聲噪聲，我們採用算術平均值來代替其真值的方法來提高回波的信噪比，從而對聲噪聲進行抑制。
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