Comparison of 2-D ESR imaging techniques in two frequency ranges

Ulrich M; Wokrina T; Drescher M; Dormann E

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Comparison of 2-D ESR imaging techniques in two frequency ranges

机译：在两个频率范围内二维ESR成像技术的比较

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Two-dimensional pulsed electron spin resonance (ESR) imaging was developed in two frequency ranges (radio frequency at 370 MHz and X-band at 9.5 GHz) using the Fourier imaging (FI) and filtered back projection (FBP) technique. A comparison and evaluation of FI and FBP images in both frequency ranges shows the superiority of the FBP method under the given conditions. Benefits and drawbacks of the different frequency ranges are analyzed with respect to the signal-to-noise ratio and the disturbing influences of the skin effect. Examples for the mapping of dynamic properties (e.g., relaxation times, diffusion coefficient) are given. Functional imaging is illustrated using variable temperature for discriminating radiation-induced differences in physical sample properties.

机译：使用傅立叶成像（FI）和滤波反投影（FBP）技术，在两个频率范围（370 MHz的射频和9.5 GHz的X波段）上开发了二维脉冲电子自旋共振（ESR）成像。在两个频率范围内对FI和FBP图像的比较和评估显示了在给定条件下FBP方法的优越性。针对信噪比和集肤效应的干扰影响，分析了不同频率范围的优缺点。给出了映射动态特性（例如，弛豫时间，扩散系数）的示例。使用可变温度来说明功能成像，以区分物理样品性质中的辐射诱导差异。

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《Applied Magnetic Resonance》 |2005年第2期|共15页
作者
Ulrich M; Wokrina T; Drescher M; Dormann E;
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正文语种 eng
中图分类电磁学、电动力学;
关键词
SINGLE-CRYSTALS; SPIN-DIFFUSION; (FLUORANTHENE)(2)PF6; RESONANCE; SALTS;

机译：单晶;自旋扩散;（氟）（2）PF6;共振;盐;

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专利

1. Comparison of 2-D ESR imaging techniques in two frequency ranges [J] . Ulrich M, Wokrina T, Drescher M, Applied Magnetic Resonance . 2005,第2期

机译：在两个频率范围内二维ESR成像技术的比较
2. High-range-resolution imaging using frequency domain interferometry with stabilization techniques for real-time vascular ultrasound [J] . Taki Hirofumi, Taki Kousuke, Yamakawa Makoto, Japanese journal of applied physics . 2015,第7S1期

机译：使用频域干涉测量技术和稳定技术进行实时血管超声的高分辨率成像
3. A 2-D block decomposition technique for designing 2-D FIR filters from frequency samples [J] . Angelidis E. IEEE Transactions on Signal Processing . 1997,第4期

机译：从频率样本设计二维FIR滤波器的二维块分解技术
4. 3-D radar imaging using extended 2-D range migration technique [C] . S Rohan Nagarad, A S Sourabh, U Sripathi Acharya, IEEE Applied Electromagnetics Conference . 2017

机译：使用扩展的2-D距离偏移技术的3-D雷达成像
5. Design techniques for direct digital synthesis circuits with improved frequency accuracy over wide frequency ranges [D] . Leitner, Stefan. 2016

机译：宽频率范围改善频率精度的直接数字合成电路的设计技术
6. 2-D array for 3-D Ultrasound Imaging Using Synthetic Aperture Techniques [O] . Nadim M. Daher, Jesse T. Yen -1

机译：使用合成孔径技术进行3D超声成像的2D阵列
7. MODERATED EPOSTERS1385Longitudinal strain assessment in dilated cardiomyopathy patients using a novel accelerated DENSE sequence1407Simultaneous T1 and T2 cardiac quantification with CABIRIA: initial clinical experience1423Head-to-head comparison of acceleration algorithms in 4-dimensional flow CMR1502Left ventricular function and size evaluated by hybrid cardiac positron emission tomography-magnetic resonance: Intraindividual comparison of left ventricular ejection fraction and ventricular volumes derived by two modalities1510Left Atrium assessed by Cardiovascular Magnetic Resonance at 1.5 and 3 Tesla – age and gender effects1514Comparison of Free Breathing Cardiac MRI Radial technique to the Standard Multi breath-hold cine SSFP CMR technique for the assessment of LV Volumes and Function1536Self-navigated free-breathing isotropic 3D whole heart phase sensitive inversion recovery magnetic resonance without navigator for detection of myocardial infarction1547Assessment of Right Ventricular Strain Using Myocardial Deformation Recovery Semi Automated Technique: Initial Experience and Normal Values1586Tissue tracking myocardial deformation analysis and prediction of left ventricular remodeling in acute myocardial infarction1589Investigating strategies for optimal 31P MRS clinical cardiac at 3T: Initial Results1620Quantitative Criteria for the Diagnosis of the Congenital Absence of Pericardium by Cardiac Magnetic Resonance1632Widespread tissue injury during acute myocardial infarction: evidence from advanced CMR relaxometry1322Computed tomography coronary angiography verSus sTRess cArdiac magneTic rEsonance for the manaGement of sYmptomatic revascularized patients: a cost effectiveness study (STRATEGY study)1339Comparison of low- versus high-dose of gadobutrol for late gadolinium enhancement imaging at 1.5 Tesla: a clinical feasibility study1347Multi-parametric Cardiac Magnetic Resonance for Prediction of Cardiac Complications in Thalassemia Intermedia: a Prospective Multicenter Study1461Prognostic value of Cardiovascular Magnetic Resonance derived indexes of myocardial fibrosis in heart transplant recipients1523The role of CMR in the acute phase of hospitalization: changing paradigms1542Preoperative CMR-based score predict ventricular response after surgical left ventricular reconstruction in ischemic heart failure patients1555Excellent response rate to cardiac resynchronization therapy guided with magnetic resonance imaging1626The ECG as a predictor of arrhythmogenic substrate on Cardiac Magnetic Resonance Imaging in patients undergoing ablation for premature ventricular contractions1649Comparison of T1-mapping at 3.0T CMR and angiographic APPROACH score for area at risk assessment in ST-segment elevation myocardial infarction1340Pathological correlates of left bundle branch disease in patients with non-ischemic cardiomyopathy: a cardiovascular magnetic resonance study1342Myocardial remodelling and fibrosis in nonischaemic dilated cardiomyopathy: insights from cardiovascular magnetic resonance1411The association between fibrosis and contractile dysfunction in hypertrophic cardiomyopathy assessed by cardiovascular magnetic resonance1622Persistent myocardial inflammation due to intramyocardial haemorrhage in reperfused STEMI as a precursor to adverse LV remodelling - insights from multi-parametric mapping1566Semiquantitative analysis of low and high b value DWI for detecting myocardial edema in acute myocarditis1567Value of Cardiac MRI In Detecting Coronary Artery Disease In Newly Diagnosed Systolic Dysfunction1570Usefulness of cardiac magnetic resonance in tuberous sclerosis complex1578Papillary muscles offer further insight into hypertrophied hearts: a cardiovascular magnetic resonance study1627Diagnostic and clinical implications of CMR timing (early versus late) in patients with troponin positive acute coronary syndromes and unobstructed coronary arteries: Table 1. [O] . Upasana Tayal, Alexandros Kallifatidis, P. Garg, 2016

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Comparison of 2-D ESR imaging techniques in two frequency ranges

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