譜差 的英文怎麼說

中文拼音 [pǔchā]
譜差 英文
spectral difference
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. Achromatic magnetic mass spectrometer

    消色差磁性質譜儀
  3. The characteristics of the sub - leaf epidemics of the plants have been observed and compared by scanning electronic microscope. lt was found out that the micro characteristics are important in a sense for identification the varieties. the constituents of volatile oil from dry flower buds of l hypoglauca miq., l acuminate wall, and l similis hemsl

    首次通過gc - ms聯用技術分析了紅腺忍冬、淡紅忍冬和峨眉忍冬乾燥花蕾揮發油成分，並通過計算機質譜庫檢索並與標準圖譜對照，對其所含化合物進行了鑒定，發現棕櫚酸是它們的主要成分，相對含量最高佔49 . 27 ，最低佔28 . 71 ，其餘成分的組成和含量差別較大。
  4. Type spectrum table for wide plus dp adp remote pressure differential pressure transmitter

    Wide plus - dp adp遠傳壓力差壓變送器型譜表
  5. Spectrum table for wide plus - dp adp series low, medium, high differential pressure transmitter

    Wideplus - dp adp小型低中高差壓變送器型譜表
  6. 1 solid - phase extraction of barbitone - - ultraviolet differential derivative spectrophotometry in this paper the solid - phase extraction and uv differential derivative spectrophotometry quantitative determination method for 5 of drugs, including barbital, phenobarbital, pentobarbital, amobarbital and secobarbital in blood, urine, liver, kidney, lung and brain

    1巴比妥藥物固相萃取? ?紫外差示導數光譜檢測法本文建立了血、尿、肝、腎、肺、腦中巴比妥、苯巴比妥、戊巴比妥、異戊巴比妥、速可眠的分析方法。
  7. 2. 4 affymetrix moe430a genechip analysis of expression pattern differences of undifferentiated escs and neural induced cells. 2. 5 telomeric repeat ampliation protocol ( trap ) assays

    2 . 4採用月升metrixmo以30a小鼠表達譜晶元進行未分化及分化后第4 、 10天細胞基因表達譜差異的分析。
  8. Primary analysis of differential gene expression profile of type 1 and type 2 astrocytes

    兩型星形膠質細胞基因表達譜差異的初步觀察
  9. Afterwards, the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method. the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir, uv spectrum, tg and dsc respectively

    然後，用甲醇鈉非水滴定法測定丙交酯中殘存乳酸，卡爾-費休法測定丙交酯中殘存水的含量，用提勒管測定精製丙交酯熔點，用紅外吸收光譜、紫外光譜、差熱分析對合成的丙交酯以及回收的丙交酯進行表徵。
  10. The expression quantity increased with the induction time by iptg, and accounted for 25 percent of the total proteins after 4 - hour induction. absorption spectrum together with xanthophyll pigments quantification by hplc demonstrated that the expressed vde has its enzyme activity, which can de - epoxidate v into a and z in vitro

    吸收光譜差值a _ （ 502 - 540 ）隨反應的進行逐漸增大，反應體系總色素的hplc分析表明， v逐漸降低，而z剛好相反，說明表達的蛋白具有與活體vde酶相同的功能，能在體外將v轉變為a和z 。
  11. The est zymograms of the same species from same region have little differences and their similar degree is high, so form their own cluster first, and then form a big cluster with that from the different regions. the est zymograms of the different species of the same genus differ sharply, and the individuality of the same species, but generality of the same genus

    但同種同一地理種群個體之間est同工酶酶譜差異較小，相似程度較高，先聚成一類，再同其他地理種群聚類聚成一大類；同屬不同種間的est同工酶酶譜差異較大，具有種的特徵，同時也具有同是一屬的共性。
  12. No matter how different the discharge scheme is, low pressure discharge plasmas take a common characteristic of bright glow and is generally entitled as low temperature glow discharge. glow discharge plasma has been selected as a most suitable system for plasma diagnostics in laboratory and for application technology development because of its good stability and reproducibility

    利用n _ 2輝光放電中n _ 2 ~ +的發射光譜研究了放電空間的溫度分佈的變化規律，發現了直流放電的一些重要特性，如阻礙輝光與正常輝光的光譜差別。
  13. Considering system security, we adopt mfcc to recognize password and lpcc to represent speaker track dynamic movement. the double decrees enable it applying in high secret situations. the system has many merit such as the quick operation velocity, easy model update, less calculate quantity and low error rate

    本文考慮到系統的安全性，採用美爾倒譜系數識別密碼，線性預測倒譜差分識別說話人聲道動態變化的雙重判決方法，為系統應用在高度機密場合提供了可能，具有運算速度快，模板更新容易，計算量小，差錯率低等優點。
  14. In this paper, we use full pole model to obtain speech signal lpc, then deduce it ' s lpcc, and we use the lpcc difference to describe speaker ' s track dynamic movement

    本文應用全極點模型，提取語音信號的線性預測系數，並推導出其倒譜系數，獲得線性預測倒譜差分，用以描述說話人聲道的動態變化。
  15. Some evident spectral differences among three types of tissues were observed and their significance in the cancer spectroscopic diagnosis is discussed here

    結果表明， 3種不同性質甲狀腺組織的自體熒光光譜之間有著較明顯的差異，這些光譜差異對于癌癥的光譜診斷研究有一定的參考價值。
  16. We estimated the fusion images in both subjective factors and objective factors. the objective parameters involved entropy, average gradient, spectral divergence, correlation coefficient and the accuracy of the classification

    對融合后的圖像分別從主觀和客觀兩個方面進行了定性和定量的評價，其中客觀評價分別採用了熵、平均梯度、光譜差異、相關系數以及分類精度作為評價標準。
  17. Eight samples of erythrocytes in bone marrow coming from patients affected by acute myeloid leukemia and nine samples from patients suffered from chronic myeloid leukemia were studied by ftir spectroscopy. spectroscopic differences of leukemic erythrocytes were observed between aml and cml samples. the ratios of the integrated areas of the band at 1540cm

    研究了急性粒細胞白血病aml和慢性粒細胞白血病cml患者的骨髓血紅細胞的紅外光譜差異性：與cml紅細胞相比， aml紅細胞酰胺帶較寬1540cm - 1與1 084cm - 1吸收峰面積之間的比值較低，范圍較窄。
  18. Because of the crystalline leading to the piezoelectricity of pvdf, pvdf fiber and pvdf / pa11 fiber ' s structures and crystalline were investigated and analyzed by means of wide angle x - ray diffraction, differential scanning calorimetry, fourier transmittance infra - red spectroscopy and scanning electron microscopy, etc. it was shown that there are two kinds of crystalline - a phase and b phase in pvdf fiber

    由於pvdf的壓電性與晶體結構有關，於是利用紅外光譜、差熱分析、廣角x光衍射和掃描電鏡等測試手段對純pvdf纖維以及pvdf pa11共混纖維的結構性能及晶型轉變進行了深入的研究。
  19. The gene expression profile difference between patients with alzheimer ' s disease and healthy elders by gene chip

    阿爾茨海默病患者基因表達譜差異分析
  20. Differences of zymograms between families were more significant than those between genera. although zymograms within genera were rather similar, all the species could be unequivocally distinguished from each other. the feasibility about using isoenzymes in systematics was also discussed

    蝽類昆蟲科之間酶譜差異大於各屬間的差異；各屬間的酶譜也有顯著差異；而屬內各種間的酶譜比較接近，但每種都有自己的特徵酶譜，彼此易於區別。
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