sample spectrum 中文意思是什麼

sample spectrum 解釋
采樣譜
  • sample : n 1 樣品,貨樣。2 標本;榜樣,實例。3 【統計】典型取樣,抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  • 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;(連續的)系列。
  1. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點,由樣本點為變量的協方差函數構成的矩陣,當樣本點個數趨于無窮大時,證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  2. Fourth, the advanced surface analysis technique - x ray photoelectron spectrum is employed to study the adsorption of soluble - starch on the pvdf membrane. then we test by using xps combined with sem the original sample, the fouled sample and the washed sample with rubber sponge balls

    第四,採用x射線光電子能譜( xps )技術分析了可溶性澱粉在聚偏氟乙烯膜表面的吸附,並將xps技術與電子顯微鏡技術相結合,對原始樣品、污染樣品和海綿橡膠球清洗樣品進行了測試和分析。
  3. The nir - sers technique, combined sers with ft - raman, due to the advantages such as high sensity, a little amount of sample and quenching fluorescence, should be the best detective way to obtain the perfect raman spectrum of those above molecules

    採用sers技術與ft - raman相結合的nir - sers手段,由於其靈敏度高、樣品用量少、可以高效淬滅熒光等優點,可以獲得非常理想的nir - sers譜。
  4. In this experiment, a neodymium glass laser is used to study the effects of the operating voltage, power density, the height from the observed location of the plasma to the surface of the sample, the location of the sample, the gas composition and the pressure on the intensity and quality of the spectrum

    本文採用高能量釹玻璃激光器,研究了激光器工作電壓、功率密度、等離子體的觀測高度、樣品位置、環境氣體及氣壓對等離子體的譜線強度及譜線質量的影響,獲得了最佳的實驗條件,並測量了金屬分析樣品中某些元素的含量。
  5. Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads

    利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四,根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷,按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準,採用修正的miner線性累積損傷理論,根據前橋的s - n和p - s - n關系式得到了各路面的強化系數,建立了綜合路面的強化系數計算的數學模型。
  6. The afm scans has shown that the sample ' s external configuration has not been defaced. the uv - vis instrument test has shown that the absorb spectrum has been move 12nm - 18nm to the infrared. with different power and implanting time, the feasible conditions are under the four hundred watt and sixty minutes

    研究表明,注入時間和注入功率對納米tio _ 2的光吸收有較大影響,氮的注入量存在一個最佳濃度值,摻雜劑濃度太高或太低,均不利於提高納米tio _ 2的光吸收。
  7. Energy spectrum ananlysis using wavelet technique is studied and applied to deal with feature exstraction of missile fault signals, from which a feasible feature vector is created, to be used by the fdes based on inn. parameters for diagnosis are also selected based on two different criteria : the cluster divergence of sample datas and the diagnosis reliability of parameter candidates

    研究了小波能量譜分析技術在地空導彈故障數據特徵提取方面的應用;提出了基於樣本綜合離散度和參數診斷置信度兩種診斷參數選擇的方法,從而為基於集成神經網路的故障診斷做好了準備。
  8. They used liquid and gas chromatography to fractionate the sample into its molecular constituents ; an electron beam then fragmented the separated molecules in a mass spectrometer to produce a spectrum indicating the basic chemical components

    他們運用液相與氣相層析法,將樣本的組成分子分開,然後導入質譜分析儀,以電子束使已分離的分子斷裂,進而產生出可識別基本化學組成的圖譜。
  9. The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage

    利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。
  10. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜,採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。
  11. The spectrum used for modal set is transmitted to pc by rs232. to get the relation between the spectrum and nutrition component ' s concentration, we set up the modal used method of stepwise regression in pc, transmit the coefficient of modal to apparatus, then we can predict the nutrition component ' s concentration of the wheat sample

    通過rs232串口,將建模樣品的光譜上傳到pc機。在pc機上採用逐步回歸建模,得到營養成分濃度與光譜的關系,將模型的系數傳同儀器,即可預測未知樣品營養成分的濃度。
  12. The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface

    本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計,以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求,在cpld內集成完整的lcd控制核代碼,並以cpld作為lcd控制器取代專用控制器,以stn彩色lcd作為終端顯示設備,該方案具有功耗低、集成度高、良好的人機介面等特點,適合新一代便攜式測試設備的發展需求。
  13. Influence of slit width and sample interval on transmitted spectrum of porous aluminium coating inlaid with copper

    狹縫寬度與取樣間隔對鑲嵌銅多孔鋁膜透射光譜的影響
  14. In the last part, the differential pas technique, which combines the pas technique with the differential spectrum, overcomes the defect from the two techniques, making it has the both advantage of the pas technique, which is suitable for the measurement of the heavy diffusion > opacity sample, and the advantage of the differential spectrum which is capable of differentiating the overlap spectrum and shoulder peak, is present

    第三部分提出導數光聲光譜技術,將光聲光譜技術和導數光譜結合起來,使導數光聲光譜技術同時具有光聲光譜技術的可適用於強散射,非透明的樣品測量和導數光譜可分辨重疊光譜,分辨肩峰的優點,又克服各自的缺點。
  15. Sample error probably caused from data collection circuit of rf virtual frequency spectrum analyzer instrument was emphasized, and some kinds of selectable resolution scheme were presented, then these schemes of advantages and disadvantages were compared and summarized by the way of theory analyse, matlab simulation and practice validate and so on, at last, the optimum scheme of rf virtual frequency analyzer instrument was decided and adopted

    重點對虛擬射頻頻譜分析儀中的數據採集電路可能造成的采樣誤差進行了分析,提出了幾種可供選擇的解決方案,經過理論分析、 matlab模擬和實際驗證等手段,對這幾種方案的優缺點進行了比較和總結,並最終確定了其中最適合虛擬射頻頻譜分析儀的方案。
  16. Amino acid molecules imprinted polymeric composite microspheres with magnetic susceptibility ( ms - smips ) were prepared by suspension polymerization ( sp ) and inverse emulsion - suspension polymerization ( iesp ), respectively. protein molecules imprinted soft - wet gel composite microspheres with magnetic susceptibility ( ms - pigms ) were prepared by inverse suspension polymerization ( isp ) and seeded inverse suspension polymerization ( sisp ), respectively. the resulting ms - smips and ms - pigms were characterized by scanning electron microscope ( sem ), thermogravimetric analyzer ( tg ), vibrating sample magnetometer ( vsm ), infrared spectrum ( ftir ), high performance liquid chromatography ( hplc ), and so on

    分別採用懸浮聚合法和反相乳液?懸浮聚合法制備了氨基酸分子印跡聚合物磁性復合微球( ms - smips ) ;分別採用反相懸浮聚合法和種子反相懸浮聚合法制備了蛋白質分子印跡磁性軟濕凝膠復合微球( ms - pigms ) ;用掃描電子顯微鏡、熱重分析儀、振動樣品磁強計、紅外光譜、高效液相色譜等對所制備的ms - smips和ms - pigms進行了表徵。
  17. The results also showed that the effect of other impurity atom could be avoided by analyzing the cross section of the sample with microzone - raman spectrum

    陶器樣品剖面的微區拉曼光譜分析可有效地避免樣品表面其他摻雜原子的影響。
  18. Their optical properties are characterized by z - can technique, uv - visible absorption spectrum and so on. the experimental results indicate that although large nonlinear refractive index is observed in two pbs / cds systems with different band gap, the sample of bigger band gap exhibit obvious nonlinear absorption in the range of nonresonance

    另外,我們改變制備條件,得到了光學帶隙不同的pbs cds納米復合體系,並採用z -掃描技術研究了它們的非線性光學性質。兩個樣品都具有大的非線性折射率,但光學帶隙大的樣品在非共振區域表現出明顯的非線性吸收。
  19. Sl205 mechanical semi - automatic sample presser is a type of sample compressing machine designed for making powder into sample test plate for substance and element analysis with x fluorescence spectrum analyzer in the field of metallurgy, non - ferrous metal, chemical industry, commodities inspection, geological mining, building material, etc

    Sl205型機械式半自動壓片機是為冶金、有色金屬、化工、商檢、地礦、建材等領域進行物質元素分析將粉末壓成試片,給x熒光光譜分析儀提供試樣的機器。
  20. Sl252 manual hydraulic sample compressing machine is a type of sample compressing machine designed for making powder into sample test plate for substance and element analysis with x fluorescence spectrum analyzer in the field of metallurgy, non - ferrous metal, chemical industry, commodities inspection, geological mining, building material, etc

    Sl252型手動液壓式壓樣機是為冶金、有色金屬、化工、商檢、地礦、建材等領域進行物質元素分析將粉末壓成試片,給x熒光光譜分析儀提供試樣的機器。
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