諧振箱 的英文怎麼說
中文拼音 [xiézhènxiāng]
諧振箱
英文
resonance box-
In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design
本文首先分析了振蕩器的工作原理,從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計,利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素,從設計就開始控制晶振的相位噪聲,為更好地實現課題的目標打下良好的基礎。The model and the single period objective function inversion method can be used for linear physical and mechanical parameters inversion of the other dynamic soil - box foundation - frame structure interaction systems under top harmonic excitation
該計算模型和單周期目標函數反演方法,可用於其他土-箱型基礎-框架結構動力相互作用系統在簡諧激振力下線性物理力學參數的反演。A rectangular box simulating the axial box of the lathe tool is manufactured ; experimental measurements of the surface vibration on the rectangular box and the acoustic field around the rectangular box corresponding to firstly a series of a homogeneous excitation and secondly two iii independent white noise excitations are taken in a semi - anechoic chamber. taking the vibratory properties as input, the properties of the sound field are calculated by the evsbpm and the sdsbpm respectively. the effectiveness and reliability of the evsbpm and the sdsbpm for the calculation of acoustic radiation problem is further verified from the comparison of the calculated results and measured ones
第五章設計加工了一模擬機床主軸箱的長方箱體,在半消聲室環境下,分別對其在單點處一系列簡諧激勵作用下和兩點處的獨立白噪聲激勵作用下的振動及其輻射聲場進行了實驗研究和分析計算,通過計算結果和實測值之間的比較,進一步驗證了改進體積源邊界合肥工業大學搏士學位論文點方法和統計分佈源邊界點方法計算振動聲輻射問題的有效性和可靠性。We equip the following machines for the environmental testing and the reliability test : test box with high and low temperature, test box with high temperature, test box with invariableness temperature and humidity, salt - spray test box, vibrant and impactive test machine, tensile test machine, frequency tester and scanner, oscillograph, oven with invariableness temperature etc. pic the 3d machine
環境試驗可靠性測試等方面配置有以下儀器設備:高低溫試驗箱高溫恆溫試驗箱恆定濕熱試驗箱鹽霧腐蝕箱振動沖擊試驗臺拉力試驗機諧振頻率f0快速測試儀揚聲器f0快速測試儀音頻掃頻信號發生器示波器電熱恆溫乾燥箱等。分享友人