doppler造句
181. The Doppler frequency is extracted from the frequency output of the optical system by the circuit.
182. Doppler echocardiogaphyhas emerged as the principal clinical tool for the assessment of left ventricular diastolic function.
183. Pulse Doppler radar is a new type of radar which uses the Doppler effect due to the relative movement between the object and the radar to measure the velocity of the object.
184. Conclusions:High frequency Color Doppler ultrasound in the diagnosis of sebaceous cyst has an important value.
185. This paper introduces the principle and implementation of fetal monitor based on DSP and ultrasonic Doppler theory.
186. This will come in handy if, say, a tornado is cloaked in a rain cloud, making it invisible to the naked eye — and current Doppler radar.
187. Objective: To explore the diagnostic values of transcranial doppler (TCD) and brain-stem auditory evoked potentials ( BAEP) in vertebrobasilar ischemia (VBI) .
188. The analysis and simulation shows that this radar system has higher range resolution and insensitivity to Doppler shift, etc.
189. The blood flow of cauda equina was measured with laser Doppler flowmeter.
190. The doppler frequency is a function of the two scattering directions.
191. Early subclinical rejection was diagnosed 3 after the transplantation by color Doppler examination.
192. Tiny varicosity in above area could be found by color Doppler ultrasonograpphy.
193. The approximate equivalent relation in systems between time difference of arrival and Doppler is shown by comparing their observability degrees.
194. Purpose : To evaluate transvaginal color Doppler sonography ( TVCDS ) in the diagnosis of adenomyosis.
195. For having amicable and handling convenient interface, the module having be carried out, which is applied to the Programmed track Doppler radar.
196. Utilizing lidar to obtain the wind velocity along the line of sight by Doppler shift, then inverting these velocity vectors to real atmosphere wind group speed is a very important purpose of lidar.
197. So now we have a situation that I just described earlier that you have the Doppler shift of both objects, and remember, I told you that you also get the masses.
198. Methods: Doppler echocardiography was performed and this imaging was compared with operative findings, or with angiocardiographic findings, or with MRI findings in 41 patients.
199. Pulmonary stenosis should be detected by combination of two - dimensional echocardiography, color Doppler imaging and spectral Doppler.
200. There are the same phase places in two systems of coordinates according to the course of propagating of wave, so that the Doppler effect is produced and the relativistic Doppler effect is worked out.
201. This paper studied the lateral displacement-measurement technique by using the laser Doppler effect of the moving grating which acted as a scatterer.
202. Inferior gluteal artery can be detected with color Doppler ultrasound.
203. Objective To assesstheinternal mammary artery conduit patency using transthorcic Doppler spectrum analysis.
204. Objective To evaluate the feasibility and clinical value of color Doppler flow imaging(CDFI) guided inferior vena caval filter insertion(IVCFI).
205. Doppler Effect of light-wave propagation shows that the light-wave propagation needs the medium ("ether").
206. The results show that the Doppler background due to the near resonance of the intermediate level is eliminated and the signal of two-photon transition can be distinguished from saturation absorption.
207. By analyzing the relationship between basis expansion model (BEM) and Doppler spectrum, the authors propose a scheme based on fractional BEM for the estimation of doubly selective channel parameters.
208. Transverse power Doppler image in a 10 - month - old shows a large heterogeneous liver mass with marked vascularity.
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