測距電路 的英文怎麼說
中文拼音 [cèjùdiànlù]
測距電路
英文
range channel- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 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...
- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 測距 : range [distance] finding; distance measurement; ranging; stadiometry
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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Railway cross - section surveyed efficiently by photoelectric - telemeter
光電測距儀實現線路橫斷面快速測量Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented
精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息,減輕人工巡線的負擔,同時加快線路的恢復供電,減少因停電造成的綜合經濟損失,為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法,根據測距的原理將其分為阻抗法和行波法兩大類,對各種演算法的優缺點及適用范圍進行了分析,在此基礎上提出了一種組合的測距方案,並對演算法進行了模擬分析。Bgmi roic is a high performance roic with adaptive current gain control and background current suppression. it is very significant for surveying far object and high background applications
該讀出電路具有自適應增益控制和背景電流抑制功能,是一種高性能的讀出電路,對遠距離探測目標和高背景應用都具有十分重要的意義。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。According to the target distance ( 5 ~ 50m ), a c - band transceiver for ranging was presented in this thesis. the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source, a receiver and microstrip antenna
本文針對所探測目標的距離( 5 ~ 50m ) ,研製了c波段測距收發前端,主要包括c波段調頻連續波( fmcw )頻率源,接收電路以及微帶天線。A type of receiver circuit and timing circuit which can be applied in high - speed laser range - finder is discussed in this paper
本論文詳細討論了一種可實現高速激光測距的接收電路和計時電路。Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines
然後,本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位,不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響,對參數對稱線路和非對稱線路均適用。7 in order to improvement the performance of the whole system and reduce the cost, a new signal processor is given, which based on the new pulse count method brought forward by the author
從系統聯調的測試結果可以看出,利用自適應檢波電路,可以大大改善基於脈沖計數新方法的雷達信號處理機的性能,使得雷達系統的測距精度大大提高。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。Because affected by the type of lines, fault resistance and two sides systems , fault analytical location has lower precision, but it has no dead line and is more better accurate if the fault location is close to the line terminal
故障分析法由於受線路類型、過渡電阻、兩端系統的影響測距精度較差,但故障分析法不存在測距死區,尤其對近區故障的測距較為準確。Second, this thesis presents a new algorithm for locating fault place of hv transmission line based on the distributed parameters
其次,提出了一種新型的基於分佈參數的高壓輸電線路的故障測距演算法。In this article, a new design scheme of the fault locator for hv transmission lines is presented, which can realize both travelling waves location and fault analytical location
本文設計了一套高壓輸電線路新型故障測距裝置,同時為行波法和故障分析法的實現提供了硬體支持。In this thesis, the research on short - range high accuracy range finding system, which is inexpensive and compact, is done. to design the laser transmitter and the timing circuit is the main task
本文旨在針對成本低、體積小的高精度短程激光測距系統開展研究工作,主要任務是設計與實現脈沖激光測距系統中激光發射器電路和計時電路。In this paper, a simple and practical circuit for laser diode modulation is presented, the principle circuit and the principle of choosing component are given, at last, application in sine wave modulation in non - cooperative target phase shift laser rangefinder is introduced
本文介紹了一種簡單有效的半導體激光器調制電路,給出了電路原理圖,元件的選擇原則,最後介紹了在非合作目標相位式激光測距系統中實現正弦調制的應用。Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters
本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后,針對輸電線路故障定位因線路參數變化對定位準確度的影響,提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正( cie )的新演算法,並利用修正後的參數來求解兩端的不同步相角差。Moreover, it has function to fault phase identification and fault distance measurement
另外,該神經網路式阻抗繼電器還具有故障選相和故障測距的功能。The contents are using fault locating algorithm based on measurement impedance to determine a fault zone of transmission line, then use wavelet transform fault locating algorithm based on current traveling wave to fix the fault position. in order to ensure both results are valid, gps is used to synchronize their hardware. 2
其主要內容是:利用所記錄的工頻故障信息和阻抗法粗略計算故障位置,再利用所記錄的暫態行波電流精確定位故障點,二者通過gps時間同步單元進行時間同步,從根本上解決輸電線路故障測距問題。In this paper, the ranging circuit which is based on the complicated pld ( cpld ) is introduced in detail, and how to design and make the ranging circuit is introduced too
論文詳細討論了基於復雜可編程邏輯器件cpld的測距電路,說明了該電路的設計和製作。According to the need of task, it is stated in this paper that how to program cpld with vhdl, how to design and make the ranging circuit of three millimeter pulsed radar
根據課題的需要,本文用vhdl語言對cpld編程,設計並製作了一個用於三毫米脈沖雷達的測距電路,實現了減小體積和提高測距精度的目的。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。分享友人