Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Page 18
... frequencies . the blurring effect of the imaging device . Correction for the attenuation at each frequency can be effected by multiplying the frequency components of the image by 1 / H ( u , v ) so producing the frequency components of ...
... frequencies . the blurring effect of the imaging device . Correction for the attenuation at each frequency can be effected by multiplying the frequency components of the image by 1 / H ( u , v ) so producing the frequency components of ...
Page 356
... frequency components in the stimulus can be carried out by this place mechanism . How- ever , at low frequencies ... frequency component in these low - frequency signals . However , if the frequency is low enough , an individual nerve ...
... frequency components in the stimulus can be carried out by this place mechanism . How- ever , at low frequencies ... frequency component in these low - frequency signals . However , if the frequency is low enough , an individual nerve ...
Page 375
... frequencies . Therefore , if the EEG is sampled at a rate which is greater than 2 samples per period for the highest - frequency component and all the lower - frequency components will be adequately defined , this will ensure that the ...
... frequencies . Therefore , if the EEG is sampled at a rate which is greater than 2 samples per period for the highest - frequency component and all the lower - frequency components will be adequately defined , this will ensure that the ...
Contents
A R D THORNTON | 1 |
Physicists and clinicians | 5 |
The Fourier transform properties of an image | 12 |
Copyright | |
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alveolar amplitude analysis aorta aortic approximately arterial pressure arterial system attenuation value basilar membrane beam blood flow blood pressure C₁ capillary cardiac output circulation clinical cm³ CO₂ cochlea cochlear compartment compliance components computed tomography concentration constant counting rate cross-section cuff decrease detector diameter diastolic distribution effect elastin electrode energy equation filter fluid Fourier transform frame frequency function haemoglobin hair cells halothane heart rate impulse response increase left heart linear linear-attenuation coefficient lung manometer measured medical physics membrane method mmHg muscle normal obtained oxygen P₁ P₂ pacemaker patient peripheral resistance photons physicist physiological pulmonary pulsatile pulse ratio region Rendiconti S.I.F. sample scan scanner segment shown in fig shows signal stroke volume systolic techniques tissues transducer transmural pressure tube ultrasonic V₁ velocity venous system ventilation ventricle ventricular vessel viscoelastic volume wall wave form Windkessel X-ray zero