誤差測量器 的英文怎麼說
中文拼音 [wùchācèliángqì]
誤差測量器
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
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 誤差 : error
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
-
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。To eliminate the errors, the parallel double - sensor scheme which can eliminate the influence of the tooth space error of the measurement tooth - wheel and the contraposition double - sensor scheme which can reduce the influence of the installing eccentric error of the measurement tooth - wheel are demonstrated in detail and realized in this paper
為消除這些誤差,詳細論證並實現了用並聯式雙傳感器方案消除測量齒盤分齒誤差的影響和用對置式雙傳感器方案消減測量齒盤安裝偏心誤差的影響。構建了試驗臺,驗證了誤差研究和雙傳感器方案的正確性。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。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的推導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。This fixing fashion can make instrument to balanced wok and to minish measure error
這種安裝方式可以使儀器平穩工作,減小測量誤差。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。Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a. c. power measurement " ( no. e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no. e01 - 15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a. c. power measurement smart instrument " ( no. 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement
本學位論文在黑龍江省自然科學基金資助項目「時分割交流功率測量原理誤差產生機理的理論研究」 (編號: e9719 ) , 「模擬數字混合採樣功率與電能測量的理論研究」 (編號: e01 - 15 )和教育部高等學校骨幹教師資助計劃項目「中頻電功率測量智能儀器的研製」 (編號: 1087 )的資助下,以電功率模擬采樣測量、數字采樣測量和混合採樣測量方法為對象,對電功率測量的原理誤差和儀器誤差進行了系統和深入的理論研究和有關的實驗研究。Error calculator used in electrical energy meter calibrating
電能表測量用誤差計算器Evaluation of uncertainty about indication error of pressure transmitter
變送器示值誤差測量不確定度評定That is to say, in order to measure the adjoint coefficients of sound radiation modes, we should design the particular shape of error sensor
因此我們必須設計出誤差傳感器來測量所需控制的聲輻射模態伴隨系數。But repetitious launching tests show that there is a remarkable error in the measurement of the angle which is measured in the technical position. the error has so notable effect on sight precision of weapons that this scheme is abandoned in the design of later missile weapons
但經多次發射試驗證明,技術陣地測量的兩基面夾角存在較大誤差,對武器的瞄準精度產生了較大影響,以致后繼的某些型號放棄了基面轉換方案。Evaluation of measurement uncertainty of indicative error of intelligent transmitter
智能變送器示值誤差測量不確定度的評定Later, error models were given. outputs of inertial units were determined thorough the coordinates transform
之後,給出誤差模型,通過坐標系的轉換,確定平臺慣性測量器件的輸出。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。The circuit models, modulated signal models and error simulation models of the two tdm were established, then by use of computer simulation, the power measurement model errors and instrument errors of the two tdm were fully analyzed by nature and quantification
建立了該兩種乘法器的物理模型、數學模型和誤差模擬模型,全面地分析了各種參量對其交流功率測量的原理誤差和儀器誤差的影響,並給出了定量的結果。A llmmse filter is designed to reduce noise based on the noise model to improve snr of images. making use of the shape and lightness characters of feature points to detect the feature p oints from images. because the accuracy of feature imaging point ' s centroid has close relationship with measuring accuracy, an algorithm based on iteration of the center of the track window is used to improve the measurement accuracy
圍繞著提高測量精度的要求,分析了影響ccd圖像質量的三類隨機噪聲,建立局部統計特性為高斯分佈的簡化圖像噪聲模型,利用線性最小均方誤差濾波器對圖像進行預處理,而後根據特徵點的亮度和形狀特徵對特徵像點進行檢測,進一步在特徵像點的匹配中採用自適應的質心迭代演算法提高跟蹤精度。It is well - known that traditional acceleration transducers method has some default when measuring structural intensity. so, pvdf film, a new material of piezoelectrical macromolecule is brought up. according to its integral characteristic, particular shaped pvdf sensors are designed and the finite difference error in the result can be avoided by using them
針對以往主動控制研究中用加速度傳感器測量結構聲強時存在有限差分誤差和附加振動這些不足,本文提出了一種新型的誤差傳感器? pvdf傳感器,用它測量結構聲強時不會產生有限差分誤差和附加振動。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。Error sensor is the main part of active control system, and the whole active control efficiency depends much on the message measured by error sensors. therefore, getting exact measured message is very important
誤差傳感器是主動控制系統中的關鍵元件之一,它測量所得信號的精確與否對整個控制效果有很大影響。A new method with high accuracy and wide application solving the dynamic characteristic of measurement system based on graph bank is proposed for the first time and it is suitable for automatic solving dynamic characteristic various system with computer. the thesis includes eight chapters
本課題首次提出了一種基於圖形庫的測量器具動態特性求解新方法,該方法可以克服測量器具物理建模和數學建模時的相關誤差,具有簡便易行,準確度高,適用范圍廣等特點。分享友人