距離電位計 的英文怎麼說
中文拼音 [jùlídiànwèijì]
距離電位計
英文
range potentiometer- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 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...
- 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
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Gps receivers belong to the user equipment, mainly used to receive satellite signals and telegraphese, measure the distance from receiver to the satellites by the wireless signals, compute the position and speed of satellites by telegraphese, then compute the position and speed of user
Gps衛星接收機屬于衛星導航定位系統中的用戶設備,主要用於接收衛星信號和電文,由無線電信號測定用戶至衛星的距離,或多普勒頻移等觀測量;根據導航電文,計算觀測衛星的位置和速度,根據觀測量和衛星的位置、速度,解算出用戶的位置和速度。Based on euclidean distance, applied in water detection by electrical sounding, the gradient k method can estimate the location of the well and its flowing yield with measured data, and can obtain satisfactory geologic results
摘要梯度k法以歐氏距離公式為基礎,應用於電測深找水,它能夠利用實測數據較準確地確定最佳井位和估計涌水量,並獲得較佳的地質效果。The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;進行了工程實例計算;最後,對牽引供電系統優化設計技術應用進行了總結。Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error
對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated
文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤差特性,建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明,由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此,初始定向誤差和陀螺漂移的影響不能忽略,必須對其進行估計和補償With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones
通過建立速度跟蹤束流的數學模型,較好地解決了速度跟蹤束流的實時性問題;通過採取用電流模擬量控制變頻器和分段線性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測接近開關觸發的脈沖數,適時校核所有小車位置,消除各車之間距離計算誤差,從而很好地解決了距離累計計算誤差。The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation
在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測定位系統具有自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。A new experimental and training system with modular hardware and software is introduced in this paper based on the research and analysis of the principle, structure and realizing method of microprocessor relay protection and safety automation equipment and the constitutes of cut - up arrangement substation integrated automation at home and abroad whose function includes relay protection experiment, such as current protection, distance protection and so on, and substation integrated automation experiment etc. the structure and function of the experimental and training system are introduced in detail, the principle and function of the hardware section are analyzed, and the method of software designing and programming is concisely set forward. in this paper, a new communication mode between computer and the rs - 485 bus and the can bus by using the computer ' s epp port and an effective method of software ' s remote downloading are brought forward
論文在研究和分析了國內外微機保護和安全自動裝置的原理、結構和實現方法以及分散分散式變電站綜合自動化系統構成的基礎上,開發了一種硬體和軟體模塊化,能實現電流保護、距離保護、故障錄波等多種繼電保護和安全自動裝置功能以及變電站綜合自動化功能的實驗培訓系統,詳細介紹了整個實驗培訓系統的結構和功能,分析了硬體部分的原理和作用,還簡要闡述了整個軟體編制的大體方法,並提出了一種利用計算機的epp口實現上位機與rs - 485總線和can總線通信的新型通信方式,提出了一種利用psd913f2的雙flash的特點進行軟體的遠程在線下載的方法。Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed
首先,分析了原子力探針系統的中原子力?距離的關系,並確定探針系統的探針的工作模式和樣品的掃描模式,從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量,並選用了psd作為傳感元件,並在此基礎上進行了系統光路設計及其數學模型的建立。Based on the results, the article analysis the main factors : the voltage level and the current of the line, the height of the line, the distance between two phases, the structure and the location of the lines, that affect the distribution in human body, and gets some basic principles
根據計算結果,分析了超高壓輸電線的電壓等級、電流、離地高度、導線的相對位置結構和距離等影響人體內電磁場分佈的主要因素,得出一些基本規律。This paper gives a detailed account of the waveform, matched - filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti - interference of the chirp signal. it deals with several methods to produce chirp signal and the advantages and disadvantages of these methods. it describes the working principle and performance of dds, analyses the phase errors initiated by the phase truncation and proposes a new scheme to solve the error
本文詳細介紹了以下幾個方面:線性調頻信號的波形、匹配濾波器、模糊函數、速度分辨力、距離分辨力及抗干擾能力;產生線性調頻信號的幾種方法並簡要分析了各種方法的優缺點; dds的工作原理、性能指標,分析了相位截斷產生的相位誤差,並提出解決這種誤差的新方案;設計了一個產生線性調頻信號的具體電路。The contribution of anodic electric field to cathodic protection potential distribution of a tank bottom for different depths of anode and different horizontal distances between anode and tank is studied through calculating examples
摘要通過計算實例研究了在不同的陽極埋深和距罐體水平距離下陽極電場對罐底板外側陰極保護電位分佈的貢獻。After load fiow study in each sample, distance to static voltage stability boundary is calculated. when static voltage instability will occur, load curtailment with optimum location and amount is executed
在每個抽樣樣本執行潮流計算后,判斷系統距離靜態電壓失穩的距離,當可能發生靜態電壓失穩時,執行切負荷控制措施,尋找最優切負荷位置及切負荷量。When digit signal orbital circuit is adopted in the equipment, which is used to transmit train - to - wayside information and location train position, the length of digital signal orbital circuit should be the minimal measure unit of distance interval between trains
摘要採用數字軌道電路作?車地信息傳輸設備及列車定位設備時,列車之間的安全間隔距離必須以數字軌道電路的長度作?最小計量單位。The principle and control method of the wireless communication network were introduced detailedly. and the communication area was computed too. and then the software system which includes master, relay unit and module unit was designed on the basis of hardware
以pic16f877a單片機為核心設計了中繼單元和模塊單元控制電路;詳細分析了無線通信模塊的工作原理、控制方式,並計算了無線模塊的通信距離;在硬體的基礎上設計了包括上位機、中繼單元和模塊單元在內的軟體系統。分享友人