duty cycle 中文意思是什麼
duty cycle
解釋
沖壞數-
A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later
每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。 -
Duty cycle, phase, totalize, peak voltage,
占空比，相位通道1至通道2 ，總和 -
The author and two colleagues recently used measurements of xenon gas ( a product of uranium fission ) to deduce that one of these ancient reactors must have operated with a duty cycle of about half an hour on and at least two and a half hours off
作者與兩位同事最近透過氙氣（鈾的核分裂產物）的測量推測，這些遠古反應器其中之一必定曾經以運作半小時、關閉兩小時半的周期進行核反應。 -
Moreover, we give a further discussion on the numerical value calculation of temperature distribution. the main problem when we design the high duty - cycle high power laser diode array we face is the large amount of heat during its operation. so we change the proportion of some ingredients and the concentration of the dopage to gain high quality iii - v material
在激光器陣列的設計過程中，針對大功率激光器嚴重的產熱問題，尤其是高占空比工作時，會有更多的功率轉化為熱的現象，我們改進晶元材料的配比、摻雜，提出適應高占空比工作的器件版圖結構。 -
Time interval, pulse width, rise fall time, phase angle, duty cycle, totalize, and peak voltage
Agilent 53131a在自動工作方式時， agilent - ib介面上數據傳輸率可達200讀數秒 -
Duty cycle of pulse duration
脈沖焊接電流占空比 -
The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage
該晶元採用的控制方式為電壓型pwm （脈沖寬度調制， pulsewidthmodulation ）控制方式，以輸出電壓反饋作為主要控制參量，同時為了提高晶元對輸入電壓擾動的響應速度，採用了輸入電壓前饋方法，將輸入電壓因素引入了反饋控制環中，通過對輸入輸出電壓的檢測，控制加在功率mos管柵極電壓上矩形脈沖的占空比，進而調節輸出電壓。 -
Miniopterus schreibersii parvipes emits calls with short duration, long interpulse intervocal, narrow fm sweeping and low duty cycle
24khz ，調頻帶較窄，聲脈沖時間較短，聲脈沖間隔時間很長，能率環較低。 -
Adopting domestic advanced high frequency igbt inverter technology to realize high reliability, working efficiency up to 88 %, materials saving by 80 - 90 % and duty cycle up to 80 %
採用國內領先的高頻igbt逆變技術，可靠性高，效率高達88 % ，節材80 - 90 % ，負載持續率可高達80 % -
Measurements include frequency, frequency ratio, time interval, rise fall time, phase, duty cycle,
量測項目包括頻率頻率比時間間隔上升下降時間相位信號周期 -
By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析，得到了如下主要結論：採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍，減小了次級占空比丟失，降低了逆變電阻點焊電源的開關損耗；諧振電容是影響軟開關工作狀態的重要因素，其大小不僅影響開關管的零電壓關斷，同時也影響開關管的零電壓開通范圍，因此，諧振電容應該綜合考慮；功率變壓器漏感越大，越容易滿足滯后橋臂的軟開關條件，但是大的漏感也使變壓器的通態損耗增加，降低了軟開關逆變器的效率。 -
In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis
本文分析了交錯並聯雙管正激變換器的工作原理，研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形，建立了模擬模型，模擬結果證明理論分析的正確性。 -
High duty cycle, can continue work even at high current. applicable for welding of metal materal like aluminum and ally aluminum, carbon steel, stainless steel, copper, titanium
高負載率，可大電流連續工作不停機。適用於鋁及鋁合金、碳鋼、不銹鋼、銅、鈦等各種金屬材料的焊接。 -
One is that the operation duty cycle can not be larger than 50 % because of the requirement for the transformer resetting. as a result, the voltage stress of the secondary diode is high, which limits the usage of dfc in high output voltage application
但由於變壓器磁芯復位的需要，其工作占空比必須小於50 ，從而造成占空比利用率不高，變壓器副邊電壓高，副邊高頻整流二極體的電壓應力大。 -
With wide working voltage range can suit wire netting well. lts high duty cycle is applicable for continuous work in factory
工作電壓范圍寬，電網適應能力強，負載持續率高，更適合工廠里連續工作。 -
The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined
本文將諧振電感和變壓器交換位置，使變壓器與滯后橋臂相連，這樣箝位二極體在一個開關周期中只導通一次，同時零狀態時諧振電感電流較小，有利於提高變換效率和減小占空比丟失，本文分析改進后變換器的工作原理，並與改進前的變換器進行對比，討論隔直電容在不同位置對變換器工作的影響，確定一種最佳工程方案。 -
In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little
此電路利用系統內部基準源產生的電流信號來對電容進行充放電，然後經過控制電路作用后，產生的輸出振蕩波形的上升時間和下降時間非常小，更接近理想矩形波形;通過調節基準源電流信號或者電容值大小，可調節振蕩波形的頻率和占空比，同時溫度和電壓的變化對振蕩器輸出波形頻率穩定度的影響很小。 -
The bias voltage in the circuit is supplied by the bgr, which reduces the power consumption and the area of the chip. this paper takes polygon interpolation as non - linear calibration method, adopts hdl verilog to design the digital duty cycle measuring circuit, from which we have obtained a group of
選擇了臺積電0 . 25 mcmos工藝庫，利用hspice模擬工具對整個溫度傳感電路進行模擬測試，結果顯示所設計體溫計在30 c 50 c的溫度范圍內具有0 . 01 c以上的檢測精度、 0 . 1 c的顯示精度和180 w的最小功耗。 -
According to the research of the performances of various temperature sensors, this paper designed a new duty cycle modulated digital thermometer configuration of low power consumption, which includes temperature sensing circuit, first - order - modulate circuit and digital duty cycle measuring circuit
通過對各類集成溫度傳感器性能和特點的研究，設計了新的低功耗占空比調制型數字體溫計電路，包括溫度傳感電路、一階-調制電路和數字占空比檢測電路。 -
The twelve kinds of modes and equivalent circuits within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, the output characteristic curve and design criterion of key circuit parameters such as output voltage, filtering inductance, common conduction time, uni - polarity spwm waveform ' s duty cycle etc are given
詳細分析了這類變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了變換器平均模型，獲得了輸出電壓、濾波電感電流、共同導通時間、單極性spwm波占空比等關鍵電路參數的設計準則和變換器的外特性曲線。
分享友人