single-stage system 中文意思是什麼
single-stage system
解釋
單級裝置-
Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage
火箭基組合動力循環（ rbcc ， rocketbasedcombinedcycle ）將傳統的火箭發動機和吸氣式發動機的優點集中組合到一個具有多種工作模態（包括引射、亞燃、超燃及火箭模態）的發動機里，在不同的飛行階段啟用不同的工作模態，因此具有大幅提高航天推進系統經濟性與高效性的潛在優勢，並可能發展成為下一代單級可重復使用航天器以及高超聲速導彈武器的動力系統。 -
The control strategy and the way of filter design are discussed. this two - stage converter keeps the advantages of the single - stage ppfc scheme and improves its several disadvantages. the simulation and experimental results verify the superiority of the two - stage converter scheme and prove out that it is suitable for the fuel cell power generation system
該兩級式變換器保留了上述單級式ppfc方案的基本優點，同時改善了其存在的幾點不足之處，具有相當的優越性，適用於本文所研究的燃料電池發電系統，文章最後通過模擬和實驗進行了原理驗證。 -
A novel high - power pollution - free smps is presented in this paper, which accomplishes simultaneously the goal of soft - switching pwm, the input / output isolation, the output voltage regulation and three - phase pfc with a single - stage power processor and simple pseudo - phase - shift control circuit. therefore, compared with the normal two - stage system, the single - stage power supply has simpler structure, lower cost, higher efficiency and easier to control. the proposed smps can be used in the three - phase power system, and can output high power over kw - order and input / output ( i / o ) isolation dc power supply
本文提出的新型無污染大功率開關電源正是採用三相三線制輸入電源，利用單級偽相移零電壓零電流開關脈寬調制（ pps - zvzcs - pwm ）全橋變換器完，成功率因數校正（ pfc ）和輸出電壓快速調節、隔離的雙重功能，並且該變換器開關管在零電壓或零電流下通斷，顯著的減小了emi 。 -
The system - controlled iir filter and fft were realized using fpga in this paper, and modified pipeline structure is adopted to greatly raise the running speed in the system - controlled iir filter. in the same time, it is used that the algorithm of n - point complex to compute 2n - point real data block in the radix - 2 fft. it is different to the normal method in the adoption of pipeline single dual ram for each stage
論文用fpga實現了系統的受控iir濾波器和fft部分，受控濾波器採用改進的流水線結構，運行速度得到了大幅度的提高，同時運用n點復數dft演算法來計算2n點實數數據，在fpga中實現了基2的1024點復數fft ，同一般的實現不同，採用了流水線式的每級單個雙口ram的方法，節省了ram的容量，經驗證，該設計符合濾波器系統的要求。 -
In this article, a research on how the change of latitude and direction of a solar powered long endurance aircraft effect the received solar power was developed. and on the basis of the car air conditioning, the thermal properties of the single - effect lithium bromide absorption hot - coldwater unit and two - stage lithium bromide absorption hot - coldwater unit applied in car and driven by high temperature cooling fluid of the car engine are advanced and compared. the technique of energetic optimization is employed to investigate the optimal performance of an irreversible hybrid air - conditioning system consisting of a vapor compression refrigerator cascaded with a solar - driver absorption refrigerator
本文對太陽能飛機的飛行緯度和飛行方向對能夠獲得的太陽能輻射量的影響進行了研究，以及對應用於汽車空調的兩種溴化鋰製冷機組，即單效溴化鋰製冷機組和兩級溴化鋰製冷機組進行了熱力分析和研究，同時，結合太陽能集熱器作為整個製冷系統的熱源，對系統的最優綜合性能進行了分析和研究。 -
According to the demand of the stochastic model of inventory for the single stage, we analyzed modeling methods of multi - stage production / inventory system in hybrid production processes. then we introduced a model of inventory system for multi - stage processes. finally, we introduced an evaluation method for the parameter of the models
為滿足多階段的混合流程生產系統加工成本最小的要求，論文深入研究了生產系統中，多階段加工情況下成品、在制品和原材料的串列結構庫存管理系統整體優化問題，建立了整體庫存量控制模型，得出了整體庫存的最佳訂貨量和最佳訂貨點。 -
A nonlinear transient flows model for stress - sensitive formation were built, and the one classical and two classical approximately solution and t column source solution in laplace domain were go by pedrosa, kikani, wang xiaodon, etc. the stress - sensitivity study main focus on tuziluoke and yinan2 gas fields in tarim basin : the core samples stress - sensitivity is analyzed by the servo tri - axes rock mechanics test system. the data points plot on the semi - log plot does not show a single linear curve but two or multiple stage linear curves. the main reason is that the different pore structure type has different capability to against the compress
在前人研究的基礎上，本文針對塔里木吐孜洛克和依南2兩個氣藏的壓敏特性進行了深入的研究：利用引進於美國的全伺服三軸巖石力學實驗系統，針對所研究工區的塔里木吐孜洛克氣藏和伊南2氣藏高壓低滲的特點，對所選取的巖心進行了一系列模擬地層條件下的壓力敏感性實驗，獲得了大量的實驗數據。 -
Monitoring and testing method for energy saving of single - stage reciprocating refrigerating unit and its refrigeration system
活塞式單級製冷機組及其供冷系統節能監測方法 -
B : we ' ' ll use the knock - out system at the first stage and then the single round robin system at second stage to decide the placing
我們在第一階段採用淘汰制，然後在第二階段採用單循環制決定名次。 -
As far as the tow - stage vibration isolation mounting with dynamoelectric actuator is concerned, the effect of the selection of the error sensor ( displacement, velocity, acceleration ) on the force transfer rate of the pid active vibration control system is analysed and on the basis of this the control simulation with hebb rule on two - stage vibration isolation mounting with the single neural adaptive pid controller is made and the simulation results indicate the method is effective. 2
針對具有電動執行器的雙層隔振實驗臺架，討論了誤差傳感器類型（位移、速度、加速度）的選擇對雙層隔振pid振動主動控制系統力傳遞率的影響，在此基礎上將單神經元自適應控制引入振動主動控制系統，採用hebb學習演算法進行了雙層隔振系統振動主動控制模擬研究，取得了滿意的控制效果。 -
Experimental research on the water chiller heater of air - source heat pump of the single - double stage mixed heat pump system
混合式熱泵系統中空氣源熱泵的實驗研究 -
The second section introduces the policies of single - stage inventory management and several conventional inventory models, including classical eoq models, base - stock policy, etc. chapter three introduces the foundation of multi - echelon inventory system
第二節介紹了單點庫存控制策略的類型及幾種常見的庫存模型，有eoq模型、基本庫存策略等。第三章介紹多級庫存系統的基礎理論。 -
The validation of the programs is verified by the good agreement between the simulation results and experimental results in the single - stage compression system. it is also verified that only a qualitative analysis can be obtained using the one - dimensional unsteady lumped model ; but the one - dimensional unsteady stageby - stage model is more suitable for actual compressor operating conditions and can serve as an effective analytic tool for studying the post - stall behavior and improving recoverability of compression systems
判明了一維非定常總體模型只能定性的分析壓縮系統的過失速性能，在定量的分析上存在著一定的局限性；而一維非定常單元容積模型更能反映壓縮系統實際情況，從而為研究壓縮系統的過失速性能和改善壓縮系統的失速可恢復性提供了有力的工具。 -
The system consists of the ac input stage, single phase pfc, main inverter, output low - pass filter, auxiliary power supply, etc. the power supply extremely has an important position in the electronics equipments
電源在電子設備中有著極為重要的地位，對變頻電源的研究具有重要的理論意義和工程實用價值。 -
In the stage of system debugging, the author used a microcomputer single chip to program an eeprom according to i " c bus criterion
在系統調試階段，還用單片機基於1 ~ 2c總線實現對eeprom編程。
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