peak-to-peak correlation 中文意思是什麼

peak-to-peak correlation 解釋
峰間相關性
  • peak : vi 1 瘦弱；消瘦，憔悴。2 減少，縮小 （out）。n 1 山峰，山頂；孤山。2 （胡須等的）尖兒；尖端。3 最...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • correlation : n. 相互關系，相關（性）；對比；交互作用；【數學】對射，異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  1. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的，所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法，並提出了一種新的基於導頻序列的具有脈沖形狀相關峰的定時同步方法。
  2. Rufifacies, peak 16 ( unknown ) and 25 ( 11 -, 13 -, 15 - methyl - hentriacontane ) for b. peregrina and peak 3 ( unknown ), 4 ( tricosene ) and 23 ( unknown ) for p. crassipalpis. additionally, the models were developed respectively to determine the larval age of different flies accurately. 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al

    2溫度對巨尾阿麗蠅幼蟲表皮碳氫化合物組成時間特徵的影響及日齡推斷模型的建立巨尾阿麗蠅幼蟲表皮碳氫化合物組份色譜峰，即p30 （二十五烯a ） 、 p33 （正二十五烷） 、 p48 （二十七烯a ） 、 p49 （二十七烯b ）和p79 （正三十一烷）含量與幼蟲日齡呈極顯著相關，且在不同恆溫（ 16 、 20 、 24和28 ）下的變化趨勢基本一致。
  3. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上，論文提出了基於位相編碼振幅調制的畸變不變多目標識別聯合變換相關技術，即通過改變隨機位相模板的調制因子的大小來改善相關輸出的性能，一步消除了共軛相關項、輸入待識別圖像之間的互相關項，並大大降低了零級相關峰的能量和寬度。
  4. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三，論文在ofdm系統的通道估計方面，先對基於導頻的ofdm通道估計中的多種插值方法進行了分析，討論了噪聲對插值精度的影響，指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差，從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感，在信噪比較高時插值濾波演算法比變采樣率演算法更優。
  5. The results showed that the 11 measured cooking and eating quality properties and taste value have manium significance genetic difference ; among the cooking and eating quality properties, varietal variation coefficent of gel consistency, peak viscosity, break down, setback is relatively large ; every cooking quality property has a different correlation with eating quality property, initial pasting temperature, finial viscosity, consistency and setback have significant or maximum significant inverse correlation with taste value, while peak viscosity, break down has a postive correlation with taste value, amylose content and protein content are inversely related to taste value, but gel consistency are positively related to taste value another, the correlation among varietal cooking and eating quality properties is significant or maximum significant ; in the analysis of principal components, the cumulative percent of 4 selected principal components reached 90. 58 %, initial pasting temperature of large second principal components is small, but amylose content and protein content is high, finial viscosity, consistency are large

    結果表明，所測定的11項蒸煮食味品質特性及味度值在供試品種間均存在著極顯著的遺傳差異；在蒸煮食味品質特性中，膠稠度、最高粘度、下降粘度值、粘滯峰消減值的品種間變異系數較大；糊化開始溫度、最終粘度、回冷粘滯性恢復值、粘滯峰消減值與味度值呈顯著或極顯著的負相關，而最高粘度、下降粘度值與味度值呈極顯著的正相關，直鏈澱粉和蛋白質含量與味度值呈負相關，而膠稠度與味度值呈正相關；在主成分分析中，被入選的4個主成分的貢獻率達90 58 ，其中第二主成分大的品種，糊化開始溫度低，直鏈澱粉和蛋白質含量高，最終粘度和回冷粘滯性恢復值大。
  6. The discrete expression of frt is studied and presented, and program is composed according to the fast algorithm, so that the digital implementation of anamorphic fc becomes possible. the connection of anamorphic fc peak and fractional orders is a problem of higher dimensional optimization. based on theoretical analysis and simulated annealing algorithm and programs we compose, the optimized orders and correlation peaks are gained while the patterns detected have dilation

    求解變形分數相關峰輸出與分數階的關系是高維變量優化問題，基於理論分析的結果，採用模擬退火演算法及自編程序對相關信號產生縮放的情形進行了計算模擬，獲得了優化的分數階及相關輸出，並對信號發生移動時，相關峰的變化進行了計算模擬和分析。
  7. Singular value decomposition ( svd ) analysis shows significant correlation exists between pacific ssta pattern similar to peak - mature phase of el nino event and remote response pattern of pna and wp in 500 hpa geopotential height, which is further confirmed by svd analysis between ssta and 850 hpa wind fields

    太平洋ssta與大氣500hpa高度場異常的svd分析表明，太平洋海溫狀況與pna以及wp遙相關型存在密切的相關，而850hpa風場與太平洋ssta的svd分析進一步反映了海溫異常與大氣遙相關間的聯系。
  8. Based on analysis of synchronization techniques in ofdm, this dissertation present a ml arithmetic to estimate time and frequency offset using symmetrical & conjugate prefix. the correlation peak of likelihood function curve is very sharp according this arithmetic, so the symbol synchronization by this arithmetic is exacter than that by general arithmetic using cycle prefix

    文中在全面分析ofdm同步技術的基礎上，提出了利用對稱共軛前綴的最大似然估計法來進行符號定時和頻偏估計，相對于傳統的利用循環前綴的最大似然演算法，這里提出的演算法可以獲得尖銳的相關圖樣，定時精度高，頻偏估計誤差小。
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