誤差測量計 的英文怎麼說
中文拼音 [wùchācèliángjì]
誤差測量計
英文
error meter- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : 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...
- 誤差 : error
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Emphatically, this paper discusses the pattern of signal and antenna radiation of the system, the design principles and technologies of audio - generator and monitor, and the modification of measurement deviation. through special tests and aviate experiments, it has been proved that the performance of the domesticalized system is better than of the initial system
文中重點分析了俄制分米波儀表著陸系統的信號格式和天線輻射場型,著重闡述了系統中音頻信號產生器和監測器的設計原理和實現技術,對信號檢測中的測量誤差進行了分析並設計了有效的修正方法。Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly
通過一組分散泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n ( m n )可以使擬合的c _ t的相對誤差減小,但在考慮粘土結合水與地層水導電性差別時,模型中雖多加一個參數q _ v ,卻沒有減小擬合的c _ t的相對誤差。The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想,對測控系統進行了設計:採用光柵尺、光電編碼器測量可動部件的運動量,解析度高、誤差小;採用細分驅動的步進電機裝置,控制性能好;系統實施環境溫度的檢測、補償,提高了檢測精度;基於兩級微機組建測控系統:主機為人機界面,採用windows編程,從機用dos編程,實時性好;軟體設計採用兼容性和移植性好的模塊式結構,便於二次開發。The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished
本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原理,模擬了傳動誤差曲線及其空域頻譜圖,詳細闡述了轉子測量的電路設計、下位機程序設計和上位機的軟體設計。The evaluation of uncertainty in measurement for error of rotameter
轉子流量計示值誤差測量結果的不確定度評定Estimators of penalized least square for parametric regression and vectors and spline function can be got by compiled program
模擬計算表明,該方法適合於回歸函數模型誤差與測量系統誤差的估計。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。Evaluation of uncertainty in measurement of the linear error value of the turbility meter
濁度計示值線性誤差測量不確定度評定This model is a class of ev model. in this model, regression function that variance yt is about is nonlinear, is not measureable directly and the measurable directly is x, that is errors - in - variance. the method of estimation is more difficult than the usual because x is not measurable directly
本模型屬於一類半參數的ev模型,它表明變量y _ i關于( x _ i , t _ i )的回歸函數呈偏線性的形式,且變量x _ i不能直接觀測到,所能觀測到的是受了誤差變量u _ i干擾的變量x _ i ,由於x _ i不能直接觀測到,這使得估計的困難加大。This method constructs covariance matrix by utilizing data vectors in different range lines and projects phase error vector into noise sub - space which is formed by eigendecomposing the covariance matrix
該方法利用不同距離單元的觀測矢量構造協方差矩陣,然後通過對協方差矩陣特徵分解得到噪聲子空間,最後將相位誤差矢量向噪聲子空間投影來估計多普勒調頻率。However, the original measurement data often contain various errors, so the basic balanced relations, such as energy balance or conservation of mass, cannot be satisfied
但由於測量中不可避免的誤差,測量值不能精確地符合生產過程中一些內在的物理和化學規律,如化學反應計量關系、物料平衡和熱量平衡關系等等。According to the analyzing on the questions such as the parameters of moire stripe signal influence on photoelectric rotary encoder interpolation errors, lissajou chart ' s characteristics and applications in interpolation errors measurement, we developed a dynamic measurement method about the parameters of moire stripe signal and interpolation errors evaluation. with the combination of hardware and software, a dynamic measurement system of interpolation errors of photoelectric rotary encoder is designed
通過分析莫爾條紋信號的各種信號質量指標對光電軸角編碼器細分誤差的影響, lissajou圖特性及其在細分誤差測量中的應用,研究出光電軸角編碼器光電信號參數測量及細分誤差評估的動態測試方法,並針對這一方法通過硬體及軟體技術的結合,設計出一套光電軸角編碼器細分誤差的檢測系統。D. l. schuler has proved the elevation error from polarometric sar terrain height measured, compared with the elevation error from insar, is same statistically
試驗結果表明極化sar三維成像的高度測量誤差與insar三維成像的高度測量誤差的統計值基本相同。It is proved by computer simulation that the rms error of this new arithmetic is just almost 1 / 5 of that using the mean arithmetic
通過計算機模擬計算,表明新演算法的微波相位差測量結果的均方根誤差,近似只有平均演算法的1 / 5 。( 3 ) aiming at the deficiency of present methods of network traffic anomaly, this paper proposes a new scale - adaptive detection mechanism. by means of wavelet packet decomposition, our method has the same detective ability to middle and high frequency as well as low frequency anomaly ; by means of reconstruct the wavelet packet
該方法利用層疊模型從本質上體現流量性質的特點,選擇用多分辨分析( mra )和小波變換模極大( wtmm )估計層疊模型的判定條件作為檢測依據,通過對擬合曲線誤差的估計來判定異常的發生。In this dissertation, we analyzed the reasons generating the channel mismatch errors, presented the algorithm measuring the three errors, which doesn ’ t need any testing signal, and correspond it. at last, we proved the availability of the algorithm by simulation
本文分析了通道失配誤差產生的原因,提出了不需要測試信號的失配誤差的統計測量演算法,並通過模擬驗證了演算法的有效性。In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信號處理部分是本文研究的關鍵,採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎,其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數,並提供計數量化誤差測量電路相應的時序和控制信號,用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量,保證了系統的解析度。Development of computer aided analysis software for the data of plane error measurement
平面誤差測量數據的計算機輔助分析軟體開發Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit
本文綜述了國內外橋梁監測技術的發展概況,在深入研究脈沖激光測距和光纖應變測試原理的基礎上,針對單片機固有計數頻率低、計數量化誤差大和延時不固定等不足,結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢,並採用模數轉換技術設計計數量化誤差測量電路,提出了基於激光脈沖時間測量法的光纖應變測量的方案。This dissertation uses the theory of differential coefficient and makes a amending arithmetic modeling which get amending curve through dealing with the collected data. according to the amending curve, realize potentiometer auto - measuring and amending
通過對採集到的電阻數據進行處理,獲得修刻時所需的控制量,為電位計的非線性誤差測量和修刻提供了依據。分享友人