低噪聲的 的英文怎麼說
中文拼音 [dīzàoshēngde]
低噪聲的
英文
low noise-
Design of microwave ultra - broad band low noise amplifier
微波超寬帶低噪聲放大器的設計The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed
將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質,類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性,合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片,通過選單頻來抑制噪聲,獲得了藍光低噪聲的穩定輸出。We have designed different measurement instruments according to the methods. the instrument used to measure electrode is a high precision multi - channel system constructed with a iaadc as the core and high input impedance amplifier and low input current multiplexer
對于硫屬玻璃電極,我們設計了以高精度的adc為核心,配以高輸入阻抗低噪聲的前置放大器和低漏電流多路模擬開關的多路精密電極測量系統。Based on the analysis of transistor amplifier noise model, we select devices with low noise in reason. and the method how to reduce phase noise and phase jitter is also discussed
依據晶體管放大器的噪聲模型分析合理選擇了低噪聲的元器件,對降低相位噪聲和相位抖動的方法作了一些探討。At last, vibration can make dislocation of metal slip and climb, which dissipate the vibration energy to reduce noise while cutting
此外,由於夾層b為高塑性金屬,振動使其內部的位錯產生滑移和攀移,以消耗部分振動能,也是降低噪聲的原因之一。After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise
通過對水壓閥模型的cfd穩態和瞬態解析,可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈,據此定性分析流道結構(速度、壓力、流動的分離與再附壁,旋渦的產生與消失等)與能量損失、負壓分佈等的關系,從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。Taking into consideration the weak points of mufflers of the present rock drills and by analyzing the working characteristic and the noise mechanism, the author has put forward the method to control and reduce the noise, and trial - produced more effective and practical device of mufflers
摘要針對現有風動鑿巖機消聲器的缺點,從鑿巖機的工作特性和噪聲機理分析入手,提出降低噪聲的控制方法,並研製高效實用的排氣消聲裝置。All aluminum alloys case, cast iron intermediate plate, so perfectly realize the lightweight, big torque and low noise of the products
全鋁殼體、鑄鐵中聯板,實現產品輕量化、大扭矩、低噪聲的完美統一。Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board
本採集系統採用400mhz增益帶寬積的運算放大器,運用da高精度校準技術,並選用高采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計,既保證了數據採集系統的信噪比,又提高了系統測量精度。For the application of direct broadcast satellite ( dbs ), a ku - band high image rejection broadband mixer is designed using ads. it appears predominant performances when compared with common single balanced mixer
針對衛星電視直播接收系統,用ads設計了一個寬頻帶、高鏡像抑制度、低噪聲的ku波段鏡像抑制混頻器,並同普通平衡混頻器進行了對比分析,顯示了其優越的性能。Hurt and actuality of noise from gas - vat, s vent - pipe are explained in this paper, further analyzed necessary condition that attenuated noise
摘要論述了噪聲對人體的危害及我廠電解車間噪聲的現狀,分析了我廠電解車間降低噪聲的必要性。We design the system circuit which is composed of emission and receiving circuit. the results of experiments show that the system can localize the magnetic sensor and it can be expected to play a roll in medical treatment after further research
在電路設計中,我們根據磁場模型的特點設計了具有自動增益和倒相控制功能的發射電路以及高放大倍數和低噪聲的接收電路。The jet noise theory is used to analyze noise produced during the opening period of the suction or discharge valves in a similar way, theoretical calculations are made
根據噪聲產生原理,指出降低噪聲的根本途徑是降低氣流通過氣閥前後的壓力損失,並給出降低氣流噪聲的主要途徑是:提出減小閥片剛性、厚度以及擴大排氣孔孔徑等。A chaotic circuit for secure communication with low noise
低噪聲的混沌保密通信電路Analyzing dynamic characteristic of machine products as well as replacing traditional static design with advanced dynamic design so as to meet the needs of static and dynamic characteristic, low vibration and low noise of machine products is becoming a sure tendency in machine products designing methods
進行機械產品和設備動態性能分析,用先進的動態設計取代傳統的靜態設計,以滿足機械結構靜、動態特性和低振動、低噪聲的要求已成為機械結構設計的必然發展趨勢。By designing the circuit structure of preamplifier and selecting new elements such as ultra low noise operational amplifier and linear opto - coupler, some difficulties in eeg acquisition is overcome and the common mode rejection ratio ( cmrr ) of preamplifier is highly increased. so eeg can be amplified and detected well
通過對前置放大器等電路結構的精心設計,選用超低噪聲的集成運算放大器以及線性光耦合器等新器件,克服了腦電信號採集中經常遇到的一些困難,使前置放大器具有較高的共模抑制比,從而能夠較好地放大檢測出所需的腦電信號。The result indicates that the dimensional structure filter edge method can obtain a more intact and less noise image segmentation
試驗結果表明:引入空間濾波器的拉普拉斯運算元可在保證高實時性的前提下獲取低噪聲的且更加完整的邊緣檢測結果。In the thesis, we study emphatically how to design and implement high - precision and low - noise sound sensor node
本文對如何實現高精度低噪聲的無線聲音傳感器節點進行了重點研究。Dc / dc transfer, high efficient and less noise, meet the different voltage and current need by each module. the mts use isolated dc / dc module to provide power for dilapidation detectors, avoiding lightning strike
Dc dc轉換採用了高效率、低噪聲的dc dc變換電路滿足各模塊的電壓和電流需要;終端採用了隔離dc dc模塊為崩塌傳感器提供電源,防止雷擊對終端其它模塊的影響。4 ) combining the local synthesis method for the machine - tool setting parameters, tca and ltca, and the numerical simulation of stress procedure constructs the optimal design circle with feedback. the developed software system provides an efficient design tool for the spiral bevel gears with excellent transmission behavior, high strength and lower noise
4 )結合加工參數設計的局部綜合法、幾何接觸分析( tca ) 、承載接觸分析( ltca )及應力過程數值模擬,構成了具有反饋的閉環優化設計迴路,並形成了相應的軟體系統,為設計嚙合性能良好、高強度、低噪聲的弧齒錐齒輪傳動提供了有效的工具。分享友人