混模器 的英文怎麼說
中文拼音 [húnmóqì]
混模器
英文
mode mixer-
As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元，包括模擬信號處理（含模數介面模塊）和數字信號處理兩大模塊，完整實現對紅外信號的接收、放大、處理、控制，產生有效數字電平驅動繼電器、可控硅等負載，應用於自動燈等多種場合。Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法，在不考慮燃燒的冷態情況下，研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上，比較了2種不同設計方案的氣流流動特徵，尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明，阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用，同時也增加了空氣管道的阻力損失，在同樣的工況條件下需要提高管道系統的總壓力Fuzzy controller based on chaos optimization and its application to the aluminium electrolytic cell control system
混沌優化模糊控制器在鋁電解控制中的應用With a mixed digital and analog design example, comparing with the traditional virtual instrument, it indicated that the function of modem virtual emulative instrument is stronger, the usage is close to the practice more, which represents the development direction of virtual instrument
通過與實際儀器的比較，以及具體數模混合電路的模擬分析，說明了現代虛擬模擬儀器比傳統虛擬儀器功能上更強大，使用上更貼近實際，是今後虛擬儀器的發展方向。Rupture discs and further services belong to the offer portfolio of marston a div. of safety system uk ltd. b ro deutschland
提供分析儀器、安全膜板、保險片、爆破圓盤及混合器、攪拌機領域內的報價。另外，公司也提供通風模具、通風工具和混合設備。It is shown that, similar to the low frequency approximation, the more ideal the switching pair commutates currents, the less the switching pair contributes to the overall output noise
我們證明了，與低頻近似模型相似，混頻器中的開關對的開關性能越好，則輸出噪聲越小。It is shown that the excessive local oscillator drive deteriorates the conversion gain of the mixer at high frequencies, a trend not shown in the low frequency approximation
我們征明了在高頻下，過大的本振將使得混頻器的轉換增益減小。這一趨勢無法由低頻近似模型給出。Dsp digital shift frequency sires is new generation conference system and teaching equipment, which adopts dsp technology. it can lock the point of howl a automatically, dsp digital shift frequency and aptitude mix sound of transmitter
數字自動濾波器，數字話筒智能混音器，數字高低音調節器等多項數字化音頻處理模塊的技術優勢，解決了會議教學擴聲中的聲反饋問題，可提升話筒靈敏度Numerical simulation of flow field with turbulence model in an oscillatory flow mixer
振蕩流混合器湍流流場的數值模擬Then mathematical relationship between the flows of mixture and the throat area, shrinking degree of mixer ( mathematical model ) can be established to meet the aim of the highest power of engine
以滿足發動機最大功率為設計目標，建立起混合氣的流量與混合器的入口角度和喉口面積之間的數學關系，即數學模型。Therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation. it also studies the integration of cad / cam, grid generation system and cfd system, and brings the model computed in the paper into this system. on the bases of systematical and thorough numerical simulation researches in circular cylinder and the compares between instantaneous piv metrical results and numerical results of circular cylinder, the paper obtained some problems and several conclusions which should be noticed in les for making correct computatioa finally, by using these experiences and conclusions above and by putting them into an actual problem in engineering - optimized numerical simulation of static mixer, this paper achieved the turbulent high - level numerical simulation technique, i. e., system atical attempt in engineering application by les method
為此，搭建了微機并行計算平臺，解決了大渦模擬對計算資源要求；對cad cam 、網格生成與cfd系統集成進行研究，並將論文中所要計算的模型納入到此系統內；在對圓柱繞流問題進行了系統和深入的數值模擬研究和對圓柱繞流瞬態piv測量結果與數值計算結果進行比較工作基礎上，得到大渦模擬方法正確計算所需要注意問題和若干結論；最後利用以上得出的計算經驗和結論，通過對一個實際工程問題? ?靜態混合器優化的數值計算，完成了cfd中湍流高級數值模擬技術? ?大渦模擬方法工程應用的系統嘗試。Moreover, computer - aided design for power - line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced, results show that the discrimination network based on splitter / combiner has better hf performance with low insertion loss and good rejection capability, however, it is more expensive
結果表明，基於分相器混和器的噪聲分離網路具有更好的高頻特性，且網路插損和噪聲模態抑制特性能夠滿足工程精度要求，但網路製造成本較高。This ku - band three channel receiver consists of spst modules, lna modules and image rejection mixer modules. these modules were designed and tested separately, then were assembled to the whole receiver. all the circuits were designed with small - sized devices so as to reduce the total size of the receiver. and the noise figure was considerably reduced because of the image rejection mixer
另外，由於採用了鏡像抑制混頻器，從而使整機噪聲系數大為降低。在設計方法上，本文採用了先進的微波電路設計軟體ansoftserenade對所有的電路和系統進行設計、優化和模擬，大大的縮短設計周期，提高設計效率。This article used the " constr " function of optimization toolbox of matlab as a tool to optimize the mathematical model according to those data gotten by engine mapping and the installation condition of mixer, then, the initial optimal conclusion can be gotten
在分析數學模型的基礎上，利用了matlab語言優化工具箱中的『 constr 』函數，根據前面的試驗數據和混合器的安裝使用條件，確定優化設計模型的約束條件，進行優化求解。Based on the results of the theory analysis and computer simulation of ratrace, waveguide - to - microstrip probe transitions, dgs lowpass filter, the structure was designed and manufacture was made. finally, the index of this mixer was measured
在對所用到的功率混合電路，波導-微帶探針過渡，以及dgs低通濾波器進行理論分析、計算、和計算機模擬的基礎上，製作混頻器，並對設計結果進行了測試驗證。Using the phase conjugation mixer the compact wire antenna with two isolated ports presented in chapter 2 is simulated, and the results show that the antenna can follow the incoming signal with the main beam and has 4 - 8db gain improve against the standard monopole in the incoming signal direction
對本文第二章提出的兩饋電埠的高隔離度線天線的模擬表明，利用相位共軛電子科技大學博士論文混頻器，天線系統能以主波束在0 』一360 』的范圍內跟蹤入射波方向，具有一定的方向回溯能力。In view of the importance of rf front - end circuits in the receiver system, the paper finally is focused on the analysis and design of the rf front - end circuits, including the design of low noise amplifier ( lna ), microstrip filter and balanced mixer. all the circuits above are simulated individually using ansoft serenade, and the results are satisfying with the desired performance
考慮到射頻前端電路性能的好壞會直接影響到整機的性能，文中還重點論述了該接收機射頻前端電路的分析和設計，主要包括低噪聲放大器、微帶濾波器和單平衡混頻器的理論分析和實際設計，並在ansoftserenade環境下進行了模擬模擬，模擬結果符合設計要求。The circuits used for these objectives have been developed. the procedure on bulding the whole system has been introduced in detail. at last, the performance of these applications for the soms has been concluded
文章中採用了諧波平衡法和輔助源的技術對自振混頻器的混頻性能進行模擬優化，然後對實際電路進行測試和結果分析，並對其應用進行了總結。Experimental study and numerical simulation of newtonian fluid flow in a modified ross static mixer
靜態混合器牛頓流體流動的實驗與數值模擬The fourth, mainly talk about the phase noise in the pll, and discuss the specific affect on out put phase noise caused by different components in frequency synthesizer, such as mixer, amplifier, multipler, divider, oscillator, phase detector etc. the last part is about how to choice the natural frequency of pll in order to get the better performance in phase noise
第二章從鎖相環的基本原理出發，介紹了鎖相環的幾個基本部件:鑒相器?環路濾波器和壓控振蕩器，對線性化鎖相環進行了詳細的分析，對數字鎖相環做了詳細的介紹，分析了鎖相環的相位噪聲模型，討論了頻綜中的混頻器分享友人