ultrasound attenuation measurement system
Comparison between A-mode and B-mode ultrasound in local hyperthermia monitoring
... the measurement of the attenuation and backscatter coefficients for A-Mode and determination of pixel value and standard deviation for ...B-Mode ultrasound in monitoring tissue denaturation process ...
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Automated ultrasound studies of magnetoelastic effects in rare earth metals and alloys
... The aim is to produce an automated ultrasound measurement system which can perform velocity and attenuation measurements as a function of temperature, frequency and applied magnetic fiel[r] ...
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Sub MHz ultrasound for thick section and high attenuation materials
... The results showed that the developed system can be used to investigate materials with high attenuation of ultrasonic signals. The present experiments looked at 15 cm thick polyurethane, where the use of ...
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Characterization of Cortical Bone Using Ultrasonic Waves.
... To our knowledge, this is the first time that the ISA has been applied to propagation in media mimicking cortical bone. Encouraging results had been obtained in media mimicking trabecular bone [Méz14a; HN11], where solid ...
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SIGNAL ATTENUATION MEASUREMENT OF DAILY VARIATION IN FOG AT BIKANER REGION
... fog attenuation, however calculation methods are extensively ...fog attenuation pertaining to microwave and millimeter wave frequencies were ...describing attenuation due to clouds and fog expressed ...
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An Improved Breast Ultrasound Tomography Algorithm Using Adaptive Time Gain Compensation
... Estimation procedure of attenuation coefficient is shown in Figure 1. Simulated RF data with a certain attenuation coefficient was generated. The whole RF data is divided into smaller 2D blocks to obtain ...
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Characteristics of Eddy Current Attenuation and Thickness Measurement of Metallic Plate
... The paper then studies the measurement of plate thick- ness. Thickness is an important variable that plays an essential role in controlling product performance and cost [14, 15]. Methods for thickness ...
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Growth Hormone Therapy, Muscle Thickness, and Motor Development in Prader-Willi Syndrome: An RCT
... Twenty- fi ve infants had not yet mastered the required pulling skills at the start of the study and 5 refused to perform the test, so 88 IMS measurements were avail- able for analysis. One GMFM measurement was ...
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Agreement between transperineal ultrasound measurements and digital examinations of cervical dilatation during labor
... on ultrasound measurement of cer- vical dilatation during labor are ...sound measurement of cervical dilatation was good with ICC ...3D ultrasound technique and found that the mean cervical ...
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The measurement of lubricant-film thickness using ultrasound
... layers. Measurement of these through-thickness resonances also provides a means of measuring the layer ...that ultrasound can suitably measure a wide range of liquid layer ...
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Incorporation of System Resolution Compensation (RC) in the Ordered Subset Transmission (OSTR) Algorithm for Transmission Imaging in SPECT
... On the PRISM 2000 system in our clinic, transmission imaging utilizes a scanning Gd-153 line source. The normal acquisition time for transmission study is about 20 min. The line source scans in the axial direction ...
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Reliability of ultrasound for measurement of selected foot structures
... Mean measures (0.29cm) of plantar fascia at the calcaneal insertion were within the expected range (0.21-0.47cm) [28] and reliable (ICC; 0.98, 0.96, 0.94) at all three measurement sites (Table 2), which compares ...
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Effects of age, sex, and ethnicity on bone health status of the elderly in Kuala Lumpur, Malaysia
... quantitative ultrasound device that generated speed of sound, broadband ultrasound attenuation, stiffness index, and T-score based on stiffness index value as bone health ...
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Measurement of Wave Attenuation in Buried Plastic Water Distribution Pipes
... The aim of this paper is to investigate a new technique to estimate the wave attenuation factor in- situ, in buried pipes. This technique is based on the envelope of the cross-correlation function between two ...
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The Use of Ultrasound in Ocular Biometry
... The Use of Ultrasound in Ocular Biometry Med J Malaysia Vol 39 No 4 December 1984 THE USE OF ULTRASOUND IN OCULAR BIOMETRY KUANBEE BEE LIM THUNG KIAT SUMMARY Ultrasound measurement of ocular dimension[.] ...
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Experimental Study of Sound Travel-Time Estimation Method in Stored Grain
... Stored grain is destroyed by fungi, insects and moisture. That could be reflected by temperature of grain [1]. High temperature zone in a grain bulk which called a hot spot is the location of spoilage occurred. Grain is ...
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Is it difficult to obtain inter-observer agreement in the measurement of the beta angle in ultrasound evaluation of the paediatric hip?
... on ultrasound was only evaluated as normal on a repeated evaluation at the rate of ...the ultrasound measurement is a screening test dependent on the person making the evaluation ...
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Attenuation Measurement Method to Control Clay Slurries: Application of Dams Water
... the attenuation of ultrasonic varies linearly almost with frequency scale between 4 to 8 MHz with 1 MHz increment and this only for the low levels of ...the attenuation values increase as a function of the ...
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Volume 4, Issue 11, 2018
... broadband ultrasound attenuation using a quantitative ultrasound ...ultrasound attenuation. Results: After the training period, broadband ultrasound attenuation and ...
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Ultrasound Measurement of Corporeal (Penile) Length in Newborns
... Ultrasound Measurement of Corporeal (Penile) Length in Newborns ORIGINAL ARTICLE Ultrasound Measurement of Corporeal (Penile) Length in Newborns !!!!!t!!!!!1! o A Khaki!, MMed*, A Zu1flqar, MMed*, C R[.] ...
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