波譜圖 的英文怎麼說
中文拼音 [bōpǔtú]
波譜圖
英文
wave spectrogram-
Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.
每秒傳輸30幅圖象畫面的電視系統，它必須工作于寬帶電磁波譜。A registration method for multi - spectral image and panchromatic image based on wavelet transformation
基於小波變換的多光譜圖像和全色圖像配準演算法In this paper, a wavelength is brought in to creat a three - dimensional spectrogram about i ( t, ), which will gain more information and enlarge applied fields
本文引入波長這一參數，生成i （ t ， ）的三維熱釋光譜圖，可以獲得更豐富的信息，擴大tl的應用范圍。Adopting high speed digital signal technique of collection and processing to get indexes which can show the unevenness, such as cv, uneven curves, spectrogram, etc
採用高速數字信號採集處理技術，能得到cv值，不勻曲線，波譜圖等反映紗條不勻信息的有用指標，人機界面友好，操作簡單方便。Venation wave spectrum analysis finds out shape - structure change of mid - frequency signal fluctuation
脈絡波譜圖分析查明了中范圍（頻率）信號波動的形態結構變化。In the sonograms of psittacula agapornis after the section of right side nxiits the ascending parts of the tone disappeared. this causes their vocalizations became the descendent - call. and in the sonograms with the left side nxiits sectioned, the harmonic parts above the basic song were weaken or disappeared
牡丹鸚鵡在斷右側nxllts后其聲圖中音調上升支消失，因而其叫聲變為以降音調為主的降調叫聲；在斷左側nxllts后的聲圖中，其基本音以上的諧波成分減弱或消失而在斷雙側神經后其聲圖表現為一系列具有較低基頻的寬帶諧波譜。In the second chapter the pulse doppler radar is introduced, include its definition, clutters, working condition and specialty and the theory of measuring range and measuring velocity in radar. in addition, the flow chat of the simulation and the function of the main modules are showed
第二章扼要論述了脈沖多普勒（ pd ）雷達體制和模擬軟體的整體設計思想，給出了pd雷達的定義、雜波譜、分類及工作特點，闡述了雷達測距、測速的原理和方法，並且給出了模擬方案的流程圖和模擬軟體中各個模塊的主要功能。Dissolved gas analysis ( dga ) is one of the mainly technology methods to diagnose the internal malfunction in transformer. by request of dl / t722 - 2000, < guide to the analysis and the diagnosis of gases dissolved in transformer oil >, the component of h _ 2, c _ 2h _ 2, c _ 2h _ 4, c _ 2h _ 6, ch _ 4, co and co _ 2 is used to judge and analyze the internal malfunction in transformer
本系統首先接收氣相色譜儀發送的數據信息，並對這些數據進行處理與分析，計算出譜圖數據的波峰高度、波峰面積、波峰起始點、基線等值，在此基礎上依據定量分析及故障診斷原理對變壓器進行診斷，得出結論。For the bands selection of hyper spectral image, an algorithm called selected projection pursuit is established and a quick calculating method is developed, the calculating speed is increased 80 ( the bands number of hyperspectral image ) limes. the nonlinear principal curves is researched, it is the nonlinear expansion of pca
針對高光譜圖像光譜波段的最優波段選擇問題，構造了選元投影尋蹤演算法，並為此建立了一種快速選元投影尋蹤演算法，使演算法的速度提高將近80倍（波段總數的倍數） 。Spectrum - the range of electromagnetic radio frequencies used in the transmission of sound, data, and television
電磁波譜-用於發射聲音，數據，電視圖象的電磁波譜范圍。Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images
論文的主要工作和成果包括：在像素層，論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟，歸納了多源遙感圖像像素層融合的常用演算法，並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾，在sfim演算法的基礎上，將ihs變換與sfim相結合，將原演算法中的均值濾波器改進為自適應加權均值濾波器，提出了一種改進的sfim演算法，通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗，證明了該演算法在保持原多光譜圖像光譜信息的同時，能夠有效提高融合圖像的空間分辨能力。Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting
Modis數據因其優越的空間解析度、波譜解析度，已被廣泛的運用於各個領域，在積雪監測方面，已成功地運用歸一化差分雪蓋指數（ ndsi ）製作每天的全球雪蓋分布圖， ndsi是基於雪對可見光與近紅外波段的反射特性和反射差相對大小的一種測量方法，然而它只能將一個像元辨別為積雪或非積雪，滿足不了高精度應用要求。Besides, this study has analyzed the correlativity of each band with snow depth, and compared snow true measuring spectrum with image spectrum, picked out the most sensitive band to snow depth, build inversion snow depth model
此外，本文分析了modis數據36個波譜值與雪深的相關關系，並將積雪實測光譜與圖像光譜進行對比，挑選出了對雪深反應最敏感並能真實反映積雪光譜的兩個波段，建立了雪深反演模型。Abstract : a software method of frequency - modulated signal demodulating based on wavelet packet is proposed in this paper. a variety of frequency - modulated signals are analyzed in time - frequency domain and the spectrograms are presented. this method can detect instantaneous frequency effectively and get frequency - modulated information, can be widely applied to dynamic testing and software radio
文摘:提出了基於小波包的調頻波解調方法，通過對各種調頻信號進行時頻分析，給出了信號的時間?頻率譜圖，能有效地檢測到瞬時頻率和獲取調頻信息，該方法可廣泛應用於動態測試和軟體無線電等領域。Each band of hyperspectral image has the same physical structure, so we classification the first band, and design an optimal linear predictor for each class to make the mean prediction square error minimal, and then we use jpeg - ls algorithm to remove the spatial redundancy
由於高光譜圖像每個波段都具有相同的物理結構，先對首幅圖像進行分類，在每個子類中分別使用各自的最佳線性預測器，將該類中的相鄰譜段進行預測並將預測殘差均方降為最小，然後用jpeg - ls演算法去除殘差圖像的相關性。We firstly smoothed these finger prints by wavelet transform. then we expressed these finger prints by some statistic parameters such as skewness, kurtosis, number of peaks, asymmetry, and the cross - correlation factor. lastly we put these statistic parameters into the artificial neural network for pattern recognition
通過對譜圖波形特性的分析，先對譜圖進行了小波平滑，然後在平滑后的譜圖上提取了表示波形特徵的統計指標，最後把統計指標送入人工神經網路進行模式識別。Compared to multi - spectral image, hyperspectral image is high spectral resolution, narrow band, and has many bands. it can distinguish targets with reliability
與多光譜圖像相比，高光譜圖像光譜波段數目多、光譜解析度高、波段寬度窄，能夠以較高的可信度區分和辨識地物目標。In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated
從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。By in - depth research of image texture and its application in multispectral image fusion, significant central coefficient ( scc ) algorithm based on redundant wavelet texture is proposed and its performance is tested to be also superior to the congeneric algorithms in the way of enhancing fusion quality
通過對圖象紋理及其在多光譜圖象融合中作用的深入研究，作者又提出了一種基於冗餘小波紋理特徵的重要中心系數（ scc ）融合演算法，通過與其它同類融合演算法結果的比較證明了該演算法在提高融合結果質量上的先進性。For the purpose of determining the fine structures and deleting interferences in solar radio spectra, we introduce a data processing method with the combination of wavelet transform and channel - modification. firstly, the original data were divided by the each mean value at each channel, which can clean a large part of horizontal branch of grid - texture on spectrum. secondly, wavelet transform was applied to the result by the first step
為此，我們首先引入了「通道歸一化」方法，它可以有效地消除網紋結構中的橫條紋，緊接著，再對第一步處理結果實施小波濾波，結果證明，兩種主要方法的聯合應用能夠有效地去除疊加在太陽射電頻譜圖中的網紋結構和其他噪聲，得到清晰的頻譜圖。分享友人