doppler curve 中文意思是什麼
doppler curve
解釋
多普勒曲線-
2. doppler frequency shifting and curve fitting differential methods for measuring velocity are analyzed and compared. the least - squares curve fitting methods based on power functions and orthogonal functions are analyzed and compared
2 .對測量速度的兩種方法，多普勒頻移法和曲線擬合微分法作了分析和比較;對以冪函數族和以正交函數族為基底的最小二乘曲線擬合法作了對比分析。 -
The concept of viffoal laser frequency stabilizaion is put fowi. the frequency stabilizaion at the center of doppler curve has been realized aller signal detecting, phase sensitive detecting, integrating and high voltage amplifying circuits with fm spectroscopy a frequency stability of l0 -, has been obtained with a reproducibility of l0 - 9. hyperfine spectra of, ', i, near 532nm have been studied via modul8tion tfansfer spectroscopy
利用fm光譜法將激光單次通過碘吸收室進行線性吸收，再經信號檢測、混頻、積分和高壓放大等伺服電路，實現了在多普勒曲線中心處的頻率穩定，頻率穩定度和復現性可達10 ~ （ - 9 ）量級。 -
To make a rotation curve one calculates the rotational velocity of stars along the length of a galaxy by measuring their doppler shifts, and then plots this quantity versus their respective distance away from the galactic center
沿著銀河的長度通過測量它們的多普勒變換計算星系的旋轉速度的旋轉曲線，然後繪出它們分別遠離銀河中心的距離。 -
These changes ( the result of the doppler effect ? familiar when a siren changes pitch as a fire engine passes by ) are much easier to detect than the wobbles themselves, and researchers can thus plot them out as a curve
這些變化是都普勒效應的結果? ?更習慣的說法是當一輛消防車經過時警報聲的變化，它們比恆星的位置移動更容易被探測到，而且研究人員能通過曲線圖的方式測定它們的具體位置。
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