磁共振信號 的英文怎麼說
中文拼音 [cígòngzhènxìnháo]
磁共振信號
英文
magnetic resonance signal-
This reradiation or transmission of energy by the nuclei as they return to their initial state is what is observed as the mri signal
質子在返回初始狀態時所重新輻射或釋放的能量就是我們所觀察的磁共振信號。Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications
研究了基於實值離散gabor變換的瞬變信號表示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線性時變系統表示與逼近方法，實驗結果驗證了實值離散gabor變換在應用方面的優越性和有效性。Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc
在分析化學領域中，小波變換在流動注射分析、伏安分析、高效液相色譜、紅外光譜、質譜、核磁共振譜、可見紫外光譜、光聲光譜、擴展x -射線吸收精細結構（ exafs ）譜等分析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有成功的應用。Blind source separation for fmri signals using a new independent component analysis algorithm
新的獨立成分分析演算法實現功能磁共振成像信號的盲分離Zeng weiming, wang zhengyou, fang zhijun, wu shiquan, one novel subspace - based method for mrs signal parameter estimation, the 6th world congress on intelligent control and automation ( accepted for presentation )
曾衛明，梁曉雲，羅立民.一種基於信號極點先驗知識和隔點抽樣的磁共振波譜參數估計方法，計算機學報（錄用） 。The results of orientation response in the resonant cavity show that it is best to measure alanine film dosimeter in horizontal orientation paralleling to the magnetic field, which can obtain the highest amplitude and the smallest uncertainty
通過劑量計在共振腔內的方向效應實驗，發現平行於磁力線方向測量最佳，可得到最大的信號強度和最小的測量不確定度。Methods divide the 70 pations into two groups : less than 2 monthes is one group, exceed 4 monthes is other group, record the evalue of mri signal intensity the size of protruded nucleus pulposus, protrusion type, discs hight, dies degeneration degree, neural root compression degree thicken fligamenta flava
方法對已知不同突出時間的腰椎間盤突出患者進行詢問病史、體格檢查和磁共振掃描，記錄患者臨床表現、突出時間、突出髓核及同層間盤的信號強度、突出髓核大小、突出間盤厚度、有無神經根受壓、有無黃韌帶肥厚、突出間盤變性程度、突出類型等指標。To identification when lumber intervertebral discs protrusion happen and how it happen is more and more important and urgentent. we will study clinical situation and mri of lumber intervertebral discs protrusion, recording percentage changes of mri signal intensity and other image characteristic. we will study mri signal intensity of protruded nucleus pulposus, the size of protruded nucleus pulposus, discs hight, neural root compression degree, thicken ligamenta flava, discs degeneration degree, protrusion type and their relation with incident time
本研究擬對已知不同突出時間的腰椎間盤突出患者進行詢問病史、體格檢查和磁共振掃描，記錄臨床表現、突出時間、突出髓核及同層間盤的信號強度、突出髓核大小、突出間盤厚度、有無神經根受壓、有無黃韌帶肥厚、突出間盤變性程度、突出類型等指標，觀察突出時間不同的腰椎間盤的臨床表現及磁共振表現特點，尋找與腰椎間盤突出時間相關的指標，並根據臨床表現及磁共振所見初步判斷腰椎間盤突出的時間。Bottom - up processing and feature detecting theory based on strong electrophysiological evidences has played a dominant role in the visual research for long time. people know top - down processing just by common sense. knowledge or experience are recalled from memory by reactivation of their neural representations and affected visual processes. however recently, researches from human and monkey provide experimental evidences for top - down processing. first, mnemonic representation of visual objects and faces, located in the ventral processing stream of visual perception in monkey, provide the best evidences of how neuronal codes are created by neurons that have the special ability to link the representations of temporally associated stimuli ; second, experiments suggest that not only bottom - up signals from the retina but also top - down signals from the prefrontal cortex can trigger the retrieval of associative codes, which may serve as a neural basis both for the conscious recall and for the visual processes affected by top - down processing further studies will improve people s understanding of the causal relation of activation and behavior by use of combined fmri and electrophysiology or lesion studies
聯想性編碼是通過學習由一些具有特殊功能的神經元建立的，這些神經元具有將時間性關聯刺激的表徵聯系起來的能力。其次，不僅來自視網膜的底-頂信號，而且來自前額葉的頂底信號都能觸發聯想性編碼的提取，既可以作為有意識回憶的神經基礎，又是頂-底加工影響視覺過程的基礎。腦損傷病人研究具有高時間解析度的人類功能性核磁共振成像functional magnetic resonance imaging ， fmri和猴fmri研究以及猴細胞電生理分析相結合，將進一步加強人們對視覺腦機制的全面理解。For example, the core of the lesion is often a heterogeneous region of very high signal on the short tr, short te image, an mr characteristic of parenchymal hemorrhage older than a few days ; subdural blood can also have this mr appearance in these lesions
例如：病變的中心在短tr 、短te影像上經常顯示是一個不均勻的高信號區，這是腦實質出血后幾天所表現出的特有磁共振影像特徵，硬膜下出血的影像上也經常會有這種表現。Key words : chronic nonspecific low back pain, magnetic resonance imaging, disc degeneration, high intensity zone, endplate changes, bulging disc, exercise therapy, outcome
關鍵詞：慢性非特異性下腰痛；磁共振成像；椎間盤退變；高信號帶；終板改變；椎間盤膨出；運動療法；療效。Mr images revealed increased signal in basal ganglia, which worsened over the two month time interval between images
磁共振影像顯示基底節增強的信號，在間隔2個月後的影像上可以看到病變進一步惡化。Signal in mr images is high or low ( bright or dark ), depending on the pulse sequence used, and the type of tissue in the image
磁共振中的信號根據所用脈沖的順序以及所要成像組織的類型分為高信號或低信號（亮或者暗） 。Signal in mr images is high or low ( bright or dark ), depending on the pulse sequence used, and the type of tissue in the image region of interest
磁共振中的信號根據所用脈沖的順序以及所要成像組織的類型分為高信號或第信號（亮或者暗） 。Analysis of removing the rf - unit ' s malfunction by using rf - signal and mr - signal
分析射頻和核磁共振信號排除射頻單元故障Mr signal can be " weighted " to accentuate some properties and not others
磁共振信號能夠被「加強」以增加某些性質及減弱其它的性質。All the schemes mostly include gathering and disposing signal by computer technology, realizing the automatization of experimental inspecting system, checking signal by concerning inspect technology, and improving inspecting sensitivity and precision
在微波段電子順磁共振實驗中設計了三個實驗方案，主要包括應用計算機技術採集、處理信號，實現實驗檢測系統的自動化。應用相干檢測技術檢測信號，提高檢測靈敏度和精度。The white gaussian noise was successfully separated from noise signal in low - field pulse nmr system and its parameters were estimated by using this method
採用該方法從實際低場脈沖核磁共振系統噪聲信號中分離出高斯白噪聲並對其進行了參數估計。Adrenal masses : is there linear correlation between unenhanced ct attenuation value and signal intensity loss on opposed - phase chemical shift mr imaging
值與磁共振化學位移成像反相位信號丟失程度相關性的研究A functional mr technique was used in which a bolus of gadoteridol contrast agent was injected rapidly during the collection of image data, resulting in contrast - induced signal loss in proportion to cerebral blood volume
功能磁共振技術，即在成像收集數據的過程中快速注射一支造影劑，可測試腦血容量分配中對比感應信號的遺失。分享友人