Integrated backscatter
Nettet3. jun. 2024 · What is backscatter - Backscatter is a method that uses an incident radio-frequency (RF) signal to transmit data without a battery or power source. It employs … NettetThe mathematical and physiological considerations explored in the present study suggest that the relationship between backscatter and myocardial contractile function reflects …
Integrated backscatter
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Nettet2. mar. 2024 · The next-generation wireless network needs to support various Internet of Things services, and some scenarios have the characteristics of low power consumption, delay tolerance, and large-scale deployment [].Backscatter communication uses passive backscatter devices capable of modulating their messages via incident sinusoidal … Nettet11. jan. 2016 · Ultrasonic backscatter measurements were performed at the calcanei of 1262 volunteers in vivo. The hip and spine bone mineral densities of the volunteers …
NettetThe integrated backscatter mosaic was processed to compare image-objects that best represented the changes in relative brightness ( Penna and Zajac, 2015 ). Using multiresolution segmentation, image-objects of the backscatter were constructed such that segments of the image that had similar brightness characteristics were isolated. Nettet1. jun. 2014 · The purposes of our study were to evaluate the correlation among apparent integrated backscatter coefficient (AIB), spectral centroid shift (SCS) of ultrasonic backscatter signals and bone mineral density (BMD) and to examine the effectiveness of ultrasound variables as predictors of osteoporosis.
Nettet6. aug. 2012 · Methods. Coronary lesions (125 lesions in 125 patients) were visualized by both integrated backscatter intravascular ultrasound (IB-IVUS) and 64-slice MDCT … Nettet1. aug. 2009 · Integrated backscatter (IB) intravascular ultrasound (IVUS) and IVUS Virtual Histology (VH) have been developed for tissue characterization, but have never …
Nettet10. mai 2024 · We investigated the association between calibrated integrated backscatter (cIBS) and arrhythmia frequency in patients with ICD. Methods Thirty-two ischemic …
Nettet7. jan. 2015 · Recently, an integrated backscatter (IB) ultrasound technique has been developed . Recent in vivo studies demonstrated that ultrasound IB values reflected the … freeman health workday loginNettet10. jul. 2024 · Integrated backscatter intravascular ultrasound (IB-IVUS) has been used successfully used to evaluate the tissue characteristics of coronary plaques; however, the mechanical properties of plaques have been rarely assessed. Therefore, we developed Speckle-tracking IVUS (ST-IVUS) to evaluate the mechanical properties of coronary … freeman harrison owensNettet18. jun. 2024 · Now scientists have developed a backscatter radio operating at millimeter-wave frequencies of 24 to 28 gigahertz, the kind used in upcoming 5G cell phones. The new device is capable of data rates of 2 gigabits per second over distances of 0.5 meters, consuming just 0.17 picojoules per bit. freeman heyne schallerNettet20. sep. 2014 · Integrated backscatter IVUS (IB-IVUS) has recently been developed, allowing analysis of tissue components of coronary plaques on the basis of radiofrequency ultrasound backscatter signals. 9 The aim of this study was to assess and compare the characteristics of non-culprit plaques on OCT and IB-IVUS in patients with ACS with … freeman grapevine usedNettet31. jul. 2024 · This study aims to test the hypothesis that the effect of excimer laser coronary angioplasty (ELCA) not only vaporizes thrombi and their underlying coronary plaque, it also changes their quality. We performed a series of cross-sectional analyses in 52 lesions in 51 patients before and after ELCA with integrated backscatter … freeman gmc dallas txNettet11. jun. 2011 · Integrated Backscatter Analysis (Table 2, Fig. 2) At baseline, there was no significant difference in cIB values between vitamin D 3 rats and controls (data not shown). After 10 weeks, the mean cIB value of the aortic valve (ROI AVTOT) was significantly higher for groups 1 and 2 animals compared to control group 3.The cIB value of the … freeman hall belmont universityNettet1. jan. 2015 · coronary plaques - Comparison of integrated backscatter intravascular ultrasound with virtual histology intravascular ultrasound , ” Circulation Journal 72(10), 1631 -1 639 (2008). 12. freeman hemp