校準用基準 的英文怎麼說
中文拼音 [jiàozhǔnyòngjīzhǔn]
校準用基準
英文
calibration standard-
The assembly language program collects and processes the data real time. comparing kinds of method of filter and arithmetic of fft, the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations
通過對各種濾波方法和fft演算法進行比較,本套數據檢測和校準處理系統採用fir濾波對採集到的信號進行預處理,利用基2fft演算法來提取信號的頻率特徵。Basing on the analysis about the reason that how the superabundant torque appears, direct torque control strategy is used to realize the servo control of two asynchronous motors and load system ' s simulation. the measure method of superabundant torque of the system, the valid method of static state torque and the benchmark of dynamic torque are given by testifying the system ' s speediness through experiments
在具體分析加載系統中多餘力產生原因的基礎上,採用直接轉矩控制策略,實現了兩臺異步電動機伺服控制和加載系統的負載模擬實驗,通過實驗驗證了系統的快速性;給出了系統多餘轉動慣量的測量、靜態轉矩的校驗和動態轉矩基準的實驗的基本方案。All scales used must be calibrated on a regular, defined basis to a traceable international standard
使用的計量必須依照國際標準為基準進行校準It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo
本文針對復雜地表低信噪比地區地震資料的特點,以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點,在整個地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法,最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析,對其參數進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的缺點,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感器進行多次動態校準,根據動態校準的實驗結果對現有傳感器建立數學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的要求,設計一個硬體補償系統來提高整個測試系統的動態特性。Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation
利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點,以gps信號為基準來校準本地時鐘(晶體振蕩時鐘或原子鐘) ,將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合,應用大規模可編程邏輯器件,設計和實現了由pc104控制的實時在線授時系統。In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer
在吸收前人研究成果的基礎上,文中提出了工作用壓電加速度傳感器校準系統應用方波信號激勵,同時應用快速傅立葉變換( fft )的方法來實現比較法校準。A method has been developed to calibrate the positions of the transducer and the transponder in the ultra - short baseline acoustic position system ( usbl )
摘要提出了超短基線水聲定位系統( usbl )的校準方法,並用模擬數據進行了驗證。Preparation of steel substrates before application of paints and related products. surface roughness characteristics of blast - cleaned steel substrates. part 4 : method for the calibration of iso surface profile comparators and for the determination of surface profile. stylus instrument procedure
塗料和有關產品使用前鋼基片的制備.噴丸處理鋼基片的表面粗糙度特性.第4部分: iso表剖面比較儀的校準方法和表剖面的測定方法.觸針儀器的程序Standard reference test specimens for calibrating a laboratory light exposure apparatus
試驗室耐光輻照儀校準用標準基準試樣Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products - optical - reference - line method
石油和液態石油產品用立式圓柱形儲罐的校驗方法.第2部分:光學基準線法Acoustics. reference zero for the calibration of audiometric equipment. part 4 : reference levels for narrow - band masking noise
聲學.聽力測定儀器的校準用基準0 .第4部分:窄頻帶遮蔽噪聲的基準級Acoustics - requirements for the performance and calibration of reference sound sources for the determination of sound power levels
聲學.聲強級測定用基準聲源的性能和校準要求Acoustics. reference zero for the calibration of audiometric equipment. part 3 : reference equivalent threshold force levels for pure tones and bone vibrators
聲學.聽力測定儀器的校準用基準0 .第3部分:純音和骨振動器用基準等效聽閾強度級Acoustics - reference zero for the calibration of audiometric equipment - part 1 : reference equivalent threshold sound pressure levels for pure tones and supra - aural earphones
聲學.聽力測定儀器的校準用基準0 .第1部分:純音和超聲耳機用基準等效閾聲壓級Acoustics - reference zero for the calibration of audiometric equipment - part 5 : reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 khz to 16 khz
聲學.聽力測定儀器的校準用基準0 .第5部分:頻率范圍為8 khz至16 khz的純音用基準等效聽閾聲壓級Abstract : this paper introduce the basic theory of the hot - wire / film anemometer and the method to determine the flow velocity of calibration nozzle system. this calibration nozzle system is designed for the calibration of hot - wire / film anemometer. a method to determine the uncertainty of this system is fully analyzed using uncertainty thoery in this paper
文摘:介紹了熱線熱膜流速儀的基本原理和用於熱線熱膜流速儀校準用的校準噴嘴系統的氣體速度確定方法,分析和推導了用不確定度理論全面分析系統不確定度的方法。Measurement microphones ; part 2 : primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
測量傳聲器.第2部分:用可逆法對實驗室標準傳聲器的壓力校準的基本方法Specification for measurement microphones - primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
測量傳聲器的規范.用互逆性技術對實驗室標準傳聲器進行壓力校準的基本方法分享友人