spectrum n. (pl. -tra ) 1.【物理學】譜,光譜;波譜;能譜,質譜。 2.【無線電】射頻頻譜;無線電(信號)頻譜。 3.【心理學】(眼睛的)余像;殘像。 4.〔轉義〕范圍,幅度;(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽光譜。 a wide spectrum of opinion 意見的不同幅度甚大。
measurement n. 1.測量,計量,量度。 2.份量,尺寸,大小,寬度,厚度,深度(等)。 3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
Laserinduced fluorescence spectra measurement of combustion product components 燃燒產物組成激光誘導熒光光譜的測量
Some methods and theory can be derived from this system for the spectrum measurement of pulse light source 可以為脈沖光源的光譜測量研究工作提供一定的方法手段和理論依據。
In this paper, the equipment developed in our laboratory for real-time molecular spectra measurement of high-temperature solution is reported 主要報導自行與制作的高溫實時分子光譜測量裝置。
The experiment results have proved that the measure system is of high accuracy . the research on pulse light source spectrum measurement has reached the anticipated demands 經過實際使用,本系統(tǒng)取得了滿意的結果,能夠滿足脈沖光源生產單位的測試要求,達到了研究的預期目的。
As a nuclear instrument, multi-channel analyzer ( mca ) is mainly applied to nuclear logging, y-ray spectrum measurement and x-ray fluorescence measurement, which are based on nuclear spectrum analysis 作為一種核儀器??多道分析儀,主要應用在基于能譜分析的核測井,射線譜測量和x射線熒光測量。
After the si photodiode was calibrated by synchrotron radiation, we can get the quantum efficiency of 5 to 50 nm bandwidth which made a transfer standard to spectrum measurement system si光二極管用同步輻射標定后,得到了550nm波段的量子效率曲線,函蓋實際實驗使用的830nm波段,使光譜測量系統(tǒng)的標定有了一個傳遞標準。
In third chapter, the article introduced every part of whole spectrum measurement system, such as lpp source, monochromator, detecting system, data acquisition system and vacuum system 第三章是對整個光譜測量系統(tǒng)進行介紹,了解建立起一套極紫外和軟x射線光譜測量系統(tǒng)所需要的部件和各部件的工作原理,并對現有的測量系統(tǒng)作了一些改進。
Base on the process of building physical model, theoretical derivation, mathematical simulation and experiments, a general optical measuring technique based on interference theory and spectrum measurement is presented 在閱讀國內外相關文獻的基礎上,通過建立物理模型、理論推導、數學模擬、實驗驗證等一系列步驟,首次提出了一種通用的的光學介質測量方法。
Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non-linearity of commercial adc for spectrum measurement without channel-width-everaging circuit 摘要根據放射性能譜測量的誤差并不等于對單個脈沖測量的誤差的特點,提出一種先測出模數變換器的道寬,然后利用軟件方法進行道寬均勻的技術。
So, both 1 / f noise power spectrum measurement and similarity coefficient extracted from its time series can offer economical, effective and indestructible tool to detect the latent damage induced by esd and hci for mosfets 因此,無論是1/f噪聲功率譜的測試還是由其時間序列提取得到的相似系數均可以作為經濟、有效、完全非破壞性的工具,替代傳統(tǒng)的電特性用于檢測靜電引起的mos器件潛在損傷以及熱載流子注入損傷。