搜索结果: 1-15 共查到“生物医学工程 Frequency”相关记录16条 . 查询时间(0.16 秒)
The High Frequency (HF) Ultrasound as a Useful Imaging Technique for the Efficacy Assessment of Different Anti-Cellulite Treatments
Aesthetic Medicine Cellulite Anti-Cellulite Treatment High Frequency Ultrasound Skin Ultrasound
2013/1/29
The purpose of the research was to evaluate the role of high frequency ultrasound in monitoring and efficacy assessment of anti-cellulite treatments. A group of 66 women used 3 different types of anti...
The Frequency of Fibromyalgia Syndrome and the Quality of Life in Patients with Peritoneal Dialysis
Fibromyalgia Dialysis Chronic Kidney Disease Quality of Life
2013/1/31
b>Objective: The aim of this study was to determine the frequency of fibromyalgia (FM) in patients on Peritoneal Dialysis (PD) and to investigate its impact on the quality of life of that population. ...
Step baroreflex response in awake patients undergoing carotid surgery: time- and frequency-domain analysis
baroreflex response surgery
2010/1/6
Step baroreflex response in awake patients
undergoing carotid surgery: time- and frequencydomain
analysis. Am. J. Physiol. 274 (Heart Circ. Physiol.
43): H1590–H1597, 1998.—Step baroreceptor stimul...
A Prospective Study on Algorithms Adapted to the Spatial Frequency in Tomography
Algorithms Tomography
2009/9/8
The use of iterative algorithms in tomographic reconstruction always leads to a frequency adapted rate of convergence in that low frequencies are accurately reconstructed after a few iterations, while...
Frequency-Division Multiplexing for Electrical Impedance Tomography in Biomedical Applications
Frequency-Division Multiplexing Electrical Impedance Tomography Biomedical Applications
2009/9/7
Electrical impedance tomography (EIT) produces an image of the electrical impedance distribution of tissues in the body, using electrodes that are placed on the periphery of the imaged area. These ele...
Method for Graduation of Osteoporosis by Applying Spatial Frequency Analysis and Cluster Analysis to Digital Radiographs of Lumbar Vertebrae
Osteoporosis Spatial Frequency Analysis Cluster Analysis Digital Radiograph 2DFFT
2009/6/1
Diagnostic standard of osteoporosis in the Japanese Society for Bone and Mineral Research has proposed to diagnose osteoporosis by visual interpretation of bone contraction degree on lateral lumber pl...
Muscarinic and 5-HT4 receptors participate in the regulation of the frequency of spontaneous contractions of the longitudinal muscle in rat distal colon
Muscarinic 5-HT4 receptors participate spontaneous contractions longitudinal muscle
2009/3/3
Spontaneous contractions of the intestine are thought to play an important role in the gastrointestinal motility, including peristalsis. In the present study, we investigated mechanisms for regulati...
Time-frequency component analysis of somatosensory evoked potentials in rats
Time-frequency component analysis somatosensory rats
2010/2/25
This study shows that there is a set of stable and minute time-frequency components in SEP signals, which are revealed by the MP decomposition and clustering. These stable SEP components have specific...
Low frequency magnetic emissions and resulting induced voltages in a pacemaker by iPod portable music players
Low frequency magnetic emissions voltages a pacemaker iPod portable music players
2010/2/25
Our measurements of the magnitude and the spatial distribution of low frequency magnetic flux density emissions by 4 different models of iPod portable music players. Levels of less than 0.2 μT exist v...
Mechanomyographic amplitude and frequency responses during dynamic muscle actions: a comprehensive review
Mechanomyographic amplitude frequency responses dynamic muscle actions
2010/2/26
The purpose of this review is to examine the literature that has investigated mechanomyographic (MMG) amplitude and frequency responses during dynamic muscle actions. To date, the majority of MMG rese...
Assessment of pulse rate variability by the method of pulse frequency demodulation
pulse rate variability pulse frequency demodulation
2010/2/26
The PFDM of pulse wave signal provides a reliable assessment of PRV. Given the popularity of pulse wave equipments, PFDM may open new ways to the studies of long-term assessment of cardiovascular vari...
Investigation of non-uniform airflow signal oscillation during high frequency chest compression
non-uniform airflow signal oscillation high frequency chest compression
2010/3/1
We found that the amplitudes of HFCC airflow signals behave as a function of spontaneous airflow signals. This is due to the nonlinearity of the respiratory system, particularly variations in airway r...
Analysis of cardiac signals using spatial filling index and time-frequency domain
cardiac signals spatial filling index time-frequency domain
2010/3/1
This paper presents the spatial filling index and time-frequency analysis of heart rate variability signal for disease identification. Renyi's entropy is evaluated for the signal in the Wigner-Ville a...
Simultaneous storage of medical images in the spatial and frequency domain: A comparative study
simultaneous storage medical images the spatial and frequency domain
2010/3/1
It can be seen from results, the process does not affect the picture quality. This is attributed to the fact that the change in LSB of a pixel changes its brightness by 1 part in 256. Spatial and DFT ...
From wavelets to adaptive approximations: time-frequency parametrization of EEG
wavelets adaptive approximations time-frequency parametrization EEG
2010/3/1
This paper presents a summary of time-frequency analysis of the electrical activity of the brain (EEG). It covers in details two major steps: introduction of wavelets and adaptive approximations. Pres...