本機振蕩 的英文怎麼說
中文拼音 [běnjīzhèndàng]
本機振蕩
英文
local oscillation-
Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。This machine uses reciprocating piston topour, sort caps out with electromagnetic shaking, pricks caps with blade. it not only can automatically finish the bottle - feeding, pouring, arranging caps, sending caps, pricking caps, but also not pout and arrange caps without bottle. it is a perfect equipment of little measure oral liquid pouring and cap - pricking
本機採用往復式活塞泵進行灌裝,電磁振蕩理蓋,刀片軋蓋。能自動完成進瓶灌裝理蓋送蓋軋蓋工序,且無瓶不灌裝無瓶不理蓋。Besides, the growth of gasb expitaxy film was monitored by reflection high energy electron diffraction ( rheed ). the rheed images and intesity oscillation are collected by computer system. it showed that the gasb film prepared in 400 was amorphous and it became monocrystalline when the temperature rose to 500. atomic force microscope ( afm ) was applied to analyse the surface morphology of the films which were grown in diffrent growth rates or substrate temperature. the analysis were compared to simulation results. the experiment results indicated it was easy to form clusters when the rate of growth is high or
此外,本文通過反射式高能電子衍射( rheed )監測了gasb外延薄膜的生長,利用rheed強度振蕩的計算機採集系統實現了rheed圖像和rheed強度振蕩的實時監測。實驗發現在400生長的gasb薄膜為非晶態,溫度升高到500薄膜轉變為單晶。利用原子力顯微鏡對不同生長速率和襯底溫度生長的gasb薄膜的表面形貌進行觀察分析,並與模擬結果進行比較。During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis
在電路設計中,作者介紹了直流電機的工作原理和數學模型、脈寬調制( pwm )控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式,設計了驅動電路的總體結構,給出了電路的功能模塊,確定了設計的可行性,然後在子電路模塊中,重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路(電荷泵及自舉電路) 、低端功率管柵驅動電路和死區時間產生電路。Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation
利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點,以gps信號為基準來校準本地時鐘(晶體振蕩時鐘或原子鐘) ,將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合,應用大規模可編程邏輯器件,設計和實現了由pc104控制的實時在線授時系統。This paper gives an example describing the trouble shooting of oil whipping in a large air compressor by the use of vibration spectral analysis
摘要本文給出了用振動譜分析方法對一種大型空氣壓縮機油膜自激振蕩進行故障診斷的實例。The pole - placement method is used in the design of controllers. the 4 - machine system example validates the effectiveness of this prony ' s method based damping controller design. 4
並用4機系統對pss的設計以及tcsc的控制信號選取作為例子表明了本文基於prony方法設計低頻振蕩阻尼控制器的有效性。In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power
本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分,本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究,得到了調諧曲線,並做了輸出參量光的能量轉換效率以及輸出功率的實驗,得到一系列特性曲線。Lo - local oscillator
本機振蕩器Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive - applied technique
固定頻率源可以在在通訊系統和雷達系統中作為本機振蕩器,也可以作為數字電路的基準時鐘信號,因此得到了廣泛的應用。6 ) the correlation relationships of the mjo of daily 10m - wind ( v ) fields with that of sst fields are investigated by time - lagged svd method in the north pacific, south pacific and the tropical eastern pacific, and the basal process of v and sst mjo obtained in the three areas, which is a negative feedback process drived by drift and sensible heat under the conditions of shallow mld, is probably the maintaining mechanism
6 )用時滯svd方法分析了北太平洋、南太平洋、熱帶東太平洋區域10米高處逐日風(夕)場與sst場季內振蕩的相關聯系,得到了三區夕、 sst場季內振蕩的基本過程,它們是由漂流和感熱輸送推動的一個負反饋過程,它以薄mld為存在條件,可能是sst季內振蕩的維持機制。Research on cmos implementation of wlan transceiver rf front - end is done in this thesis. the transceiver uses the most used super - heterodyne architecture, its rf front - end consists of low noise amplifier, down - converter, up - converter, preamplifier, lo buffer and pll frequency synthesizer
本論文研究無線局域網收發機射頻前端的cmos實現,該收發機採用超外差式的拓撲結構,其射頻前端主要由低噪聲放大器、下變頻器、上變頻器、末前級、本地振蕩信號緩沖器和鎖相環型頻率合成器等模塊組成。In this dissertation, the cooling mechanism, the formation and the controlling of the shock wave was deeply studied theoretically and experimentally
本文對熱分離機的製冷機理、振蕩管內激波的行為與控制進行了比較深入的理論和實驗研究。This paper presents a new type of microcomputer compensated crystal oscillator ( mcxo ) which bases on at - cut crystal and uses microcomputer as its core
本文主要敘述了一種以微處理器為核心的基於at切晶體諧振器的微機補償晶體振蕩器( mcxo ) 。This paper makes an overview of the reasons, corresponding analysis methods and countermeasures for shaft torsional oscillation
本文對機電耦合引發振蕩的原因以及研究方法和抑制措施進行了總結。In this paper, a linear oscillation motor is introduced, for the shortage of to - and - fro equipment. the mathematic model of this type of motor is established. to finding out its distributing of magnetic field, the program of finite analysis method is worked out
本文針對傳統往復運動設備的缺點,提出了一種能量型永磁直線振蕩電機,建立了直線振蕩電機的數學模型;利用有限元分析方法,編制了直線振蕩電機磁場有限元分析程序;分析了直線振蕩電機在各種勵磁狀態下的磁場分佈;驗證了所設計模型的合理性。On the basis of the primary studies upon the nonlinear interactions between the unstable waves and the self - excited oscillations in the flow, experiments were focused upon the attenuation effects on the oscillations of tripping wires, side jets and deflected plates, and upon the mechanisms for the attenuations
在對流動的不穩定波之間非線性相互作用過程和自激振蕩的基本規律研究的基礎上,實驗研究了絆線、旁射流和折板削弱自激振蕩的效果與機制。In this paper, the oscillatory circuit and synthetic circuit are analyzed theoretically at first and the main parameters of sythetic circuit under the conditions of the different current grades are gotten, that is not only the parameters " basis of synthetic circuit test, but also the important references of studying computer - testing system for current measurement of current - source in synthetic circuit
本文首先對振蕩迴路和合成迴路進行了理論分析並確定了在不同電流等級條件下合成迴路中的各主要參數,這不僅為合成迴路試驗提供了參數依據,同時也為合成迴路中電流源電流信號計算機測試系統的研製提供了重要參考。Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs
在系統機動性不強的情況下,傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中,達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼量測誤差方差陣,從而避免了濾波器的發散.模擬和實驗驗證,內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度In the section of theory, we mainly studied optical parameter effect, discussed physical mechanism of optical parameter laser and normalized coupled wave equation and got the solution. we also carried out the analysis of gain mode of optical parameter oscillation, studied the threshold condition, analyzed output characteristics and then achieved characteristic curve
本文理論部分主要作了有關光參量效應方面的研究,探討了光參量振蕩器的物理機制、參量振蕩的歸一化耦合波方程,求解得到了參量振蕩器的耦合波函數,同時對光參量振蕩的增益模式進行了分析,研究了使參量振蕩的閾值條件,並對光參量振蕩器的輸出特性進行了分析,得到了特性曲線。分享友人