comparison spectrum 中文意思是什麼

comparison spectrum 解釋
比較光譜
  • comparison : n. 1. 比較,對照;類似。2. 【語法】比較法;【修辭學】比喻。
  • 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. 4 the spectrum of highly ionized cu and ge was investigated by means of the beam - foil technique. by comparison with other experimental data we determined 42 energy levels of cu and 13 energy levels of ge. for the spectrum without experimental data for comparison, they are determined by isoelectronic sequence

    摘要4我們採用束箔光譜方法測量高離化態cu和ge束的光譜線,與文獻中的實驗數據相對照,確定了42條cu的譜線和13條ge的譜線,對于無實驗值可對照的譜線,利用理論值和實驗值進行等電子序列證明。
  2. By comparison with food habits of chinese snub - nosed monkey in qinling - mountain, shanxi province and wolong district, sichuan province, both are national reserve with good habitats for monkey. the results show that the monkey food spectrum present certain different from, but is similar with those of qinling and wolong monkey, that indicates the monkey in xiaoshennongjia has good food condition

    通過與陜西秦嶺和四川臥龍兩處國家級自然保護區的川金絲猴食性的比較,得出生活于不同生境的川金絲猴在其食物組成上存在一定差異,但小神農架地區川金絲猴的食物譜與后兩個地區的相似,說明該區域川金絲猴的食物條件較好。
  3. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續波雷達信號的特性,介紹了多普勒雷達的原理和應用;研究了偽隨機編碼信號的產生和數學特徵,著重分析了偽碼調相連續波雷達信號的頻譜,及其在雷達測距、測速方面的應用;研究了單脈沖幅度比較體制在雷達測角中的應用;最後,闡述了超近反導系統中復合體制雷達的工作過程。
  4. After the comparison of the merits and faults between fourier spectrum analysis method and wavelet - neural network analysis method, the latter is selected. after the research on the principle of accuracy - loss diagnosis of the dynamic measurement, the diagnosis theory and method are advanced. according to the error model established of the dynamic system and the results of the error tracing, using bp neural network, the accuracy - loss law of each inner unit is acknowledged

    對于實際進行誤差分解與溯源的信號處理方法,在比較了譜分析方法與小波神經網路分析方法的優缺點之後,指出譜分析方法的分解結果不夠理想,並最終確定用小波神經網路來進行實際測量系統的誤差分解與溯源。
  5. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型,通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算,證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較,得出hh極化符合對數正態分佈,而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析,最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
  6. In conclusion, the results of checking of physiochemistry items, uv spectrum data, chromatographic fingerprints test and safty evaluation indicated that gpif avivity evaluation samples were eligible. through the comparison of methods for evaluating immunobiologic activity and the choosing of optimum methods to evaluating immunobiologic activity, we created assay methods evaluating immunobiologic activity for quality standard of gpif. the research of dose - effect of gpif can also supply theoretical materials for pharmacology. that the experiments on the factors which affect the immunobiologic activity of gpif and the comparison with similar drugs demonstrated that gpif was a kind of cellar immunoregulating drug with stable and high immunobiologic activity

    綜上所述,通過對gpif免疫生物活性評價實驗樣品材料的準備,顯示由該工藝制備的實驗樣品材料理化性質穩定,活性成分含量充足,安全可靠,可以用來作為gpif免疫生物活性的評價;通過對gpif免疫生物活性評價方法的比較篩選及評價方法的優化,為gpif質量標準建立了較優免疫生物活性評價手段;同時gpif免疫生物活性劑量效應的發現,為該產品的免疫生物活性深入研究奠定了基礎,也為gpif藥效學研究提供了理論資料;對gpif免疫生物活性影響因素的探討及與同類藥品免疫生物活性的對比,證實gpif是一種免疫生物活性穩定、且具有高免疫生物活性的細胞免疫增強劑;同時,本研究也為同類產品免疫生物活性評價提供了方法學參考。
  7. Comparison of amplitude vector method and half - wave spectrum method to analyze grating diffraction

    振幅矢量法與半波帶法分析光柵衍射的比較
  8. Three satellite images, i. e. two from tm or etm and one from spot scenes, were used. land use change areas were determined using the two change detection techniques of post - classification comparison and spectrum comparison

    按土地利用數據變化的監測、更新、分析與管理的技術路線,對長樂市1998 2000年的土地利用變化應用研究。
  9. The test for simulating load spectrum of bridge was done, comparison of the infered load spectrum by means of the electrical resistance changes of two fatigue life gage with the simulated load spectrum showed reasonably good agreement

    進行了模擬橋梁荷載譜加載試驗,用雙疲勞壽命計電阻變化所推算荷載譜和模擬荷載譜基本一致,證明了方法的可行性。
  10. After the systemic comparison of the two methods, the detail applicable conditions have been suggested. by the physical model tests and various methods, the frequent spectrum and the directional spectrum of incident waves and reflected waves of slope breakwater have been investigated systemically, and the bulk reflection coefficients, the directional spreading of reflection coefficients and the frequent spect

    通過物理模型試驗,系統地研究了斜坡堤前入、反射波方向譜的分離計算,採用mtpm分析得到了單向(包括斜向)不規則波的總體反射系數和反射系數頻率譜(隨堤坡變化)以及由iribarren數表示的包含堤坡影響的反射系數頻率譜。
  11. The deformation analysis was made to a 12 storey reinforcement concrete structure, building in site condition ii, earthquake fortification level 8, by a program idarc - 2d which is put forward by the state university of new york at buffalo. the strong ground motion records obtained from pacific earthquake engineering research ( peer ) stiong ground motion database. thirty - eight waves were selected from the database by sorting the site condition and peak ground acceleration a comparison was made to the thirty - eight records " response spectra and the design response spectrum. thirteen waves were selected to the deformation analysis, el - centro wave and taft wave were added as a comparison. the result of computation shows that the selected waves damaged the structure severely than the el - centro wave and taft wave

    利用idarc - 2d對一建於8度類場地上的12層鋼筋混凝土框架結構進行了大震下的變形驗算。強震記錄取自加州國家地震中心強震數據庫,按場地類別和峰值加速度對數據進行分類處理,從中選出38條波進行反應譜的擬合。最終選定擬合較好的13條波進行本次試算,作為比較加入了常用的el - centro波和taft波。
  12. Comparison between the broad spectrum theory of existence and traditional ontology

    廣譜存在論與傳統本體論的比較
  13. The results of simulation show the resolution based on two - dim spectrum method is 2 times high than that based on two - dim fft. 3 a method of determining the highness of an ideal object by beam scanning in the vertical plane and amplitude comparison

    比較了二維music演算法和基於二維fft的目標參量測定方法,模擬表明,在相同條件下,基於二維譜估計的方法比基於二維fft的方法目標解析度可提高一倍。
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