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279篇 您的检索式：作者名="Beek O"

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	题名	作者	年代	出处	被引量
1	Magnetic resonance angiography for the primary diagnosis of pulmonary embolism: A review from the international workshop for pulmonary functional imaging显示文摘Pulmonary contrast enhanced magnetic resonance angiography(CE-MRA) is useful for the primary diagnosis of pulmonary embolism(PE). Many sites have chosen not to use CE-MRA as a first line of diagnostic tool for PE because of the speed and higher efficacy of computerized tomographic angiography(CTA). In this review, we discuss the strengths and weaknesses of CEMRA and the appropriate imaging scenarios for the primary diagnosis of PE derived from our unique multiinstitutional experience in this area. The optimal patient for this test has a low to intermediate suspicion for PE based on clinical decision rules. Patients in extremis are not candidates for this test. Younger women(< 35 years of age) and patients with iodinated contrast allergies are best served by using this modality We discuss the history of the use of this test, recent technical innovations, artifacts, direct and indirect findings for PE, ancillary findings, and the effectiveness(patient outcomes) of CE-MRA for the exclusion of PE. Current outcomes data shows that CE-MRA and NM V/Q scans are effective alternative tests to CTA for the primary diagnosis of PE.	Nanae Tsuchiya Edwin JR van Beek Yoshiharu Ohno Hiroto Hatabu Hans-Ulrich Kauczor Andrew Swift Jens Vogel-Claussen Jürgen Biederer James Wild Mark O Wielpütz Mark L Schiebler	2018	World Journal of Radiology2018，10，6：	4
2	OFDM Channel Estimation by singular Value Decomposition显示文摘	Edfors O Sandell M Beek J	1998	IEEE Trans on Comm1998，46，7：	1
3	ML estimation of time and frequency offset in OFDM systems显示文摘	J J van de Beek M Sandell P O Bφrjesson	1997	IEEE Trans Signal Processing1997，45，7：	1
4	A timeand frequency syschronization scheme for multiuserOFDM显示文摘	van de Beek J Boriesson O P Landstrom D	1999	IEEE Journal on Selected Area in Communi-cations1999，17，1：	1
5	A time and frequency synchronization scheme for multiuser OFDM显示文摘	van de Beek J J B(o)rjesson P O Boucheret M L	1999	IEEE Journal on Selected Areas in Communications1999，17，11：	1
6	ML estimation of time and frequency offset in OFDM systems显示文摘	Van de Beek J Sandell M Borjesson P O	1997	IEEE Trians on Signal Processing1997，45，7：	1
7	Delayed contrastenhanced magnetic resonance imaging for the prediction of regional functional improvement after acute myocardial infarction显示文摘	Beek A M Kuhl H P Bondarenko O	2003	J Am Coll Cardiol2003，42，：	1
8	ML estimationof time and frequency offset in OFDM systems显示文摘	Van de Beek J Sandell M Boriesson O P	1997	IEEESignal Processing1997，45，7：	1
9	ML estimation of time and frequency offset in OFDM systems显示文摘	BEEK J J V D SANDEL M BORJESSON P O		0，，07：	1
10	A time and frequency scheme for multiuser OFDM 显示文摘	Beek J J Borjesson P O Boucheret M L	1999	IEEE Journal on Selected Areas in Communications1999，17，11：	1
11	ML Estimation of timing and frequency offset in OFDM systems 显示文摘	Jan-Jaap J van de Beek SANDELL M BORJESSON P O	1997	IEEE Trans on Signal Proc1997，45，7：	1
12	ML estimation of time and frequency offset in OFDM systems显示文摘	van de Beek J J Sandell M Borjesson P O	1997	Signal Processing IEEE Trans- actions1997，45，7：	1
13	ML estimation of time and frequency offset in OFDM systems显示文摘	Sandell M Borjesson P O	1997	IEEE Trans on Signal Processing1997，45，7：	1
14	ML Estimation of Time and Frequency Offset in OFDM Systems显示文摘	van de Beek J J Sandell M Borjesson P O	1997	IEEE Trans on Signal Processing1997，45，7：	1
15	ML estimation of time and frequency offset in OFD Msystems显示文摘	Van de Beek J J Sandell M Borjesson P O	1997	IEEE Trans1997，45，7：	1
16	ML estimation of timing and frequency offset in OFDM systems显示文摘	Beek J J Sandell M Borjesson P O	1997	IEEE Trans Signal Processing1997，45，7：	1
17	OFDM Channel Estimation by Sigular Value Decomposition 显示文摘	SANDELL O E M BEEK J V D WILSON S K	1998	IEEE Trans Commun1998，46，7：	1
18	ML estimation of time and frequency offset in OFDM systems显示文摘	SANDELL M BORJESSON P O	1997	IEEE Transactions on Signal Processing1997，45，7：	1
19	ML estima- tionof time and frequency offset in OFI)M systems 显示文摘	VAN J J DE BEEK SANDELL M Borjesson P O	1997	IEEE Trans on Signal Processing1997，45，7：	1
20	ML estimation of time and frequency offset in OFDM systems显示文摘	van de Beek J J Sandell M Borjesson P O	1997	IEEE Transactions on Signal Processing1997，45，7：	1

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