doppler造句
91. The result of calculation shows that the Doppler sideband near-resonance method is preferable.
92. Objective To study the feature and value of Color doppler flow imaging ( CDFI ) in childrens intussusception.
93. Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.
94. This paper presents a simple tracking filter circuit, which is applicable to Doppler radar sets and consists mainly of a switched bandpass filter and a phase-locked loop.
95. Results Gray scale and Doppler signal of abdominal aorta were significantly enhanced by contrast agent.
96. Methods: Cranial computer tomography ( CT ) and transcranial Doppler ( TCD ) were performed in 38 patients.
97. Several important parts are analysed and discussed, which include echo signal, azimuth processing, range processing multi-looks processing and Doppler parameters estimation for spaceborne SAR.
98. An experimental investigation of the shrouded centrifugal backswept impeller flow field has been conducted at off-design flow using Laser Doppler Velocimeter (LDV) and shaft encoder.
99. Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.
100. The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
101. In frequency modulation continuous wave ( FMCW ) radar, the target information is usually extracted by Range - Doppler processing.
102. The separating flow in a turbulent boundary layer was surveyed in a 2-D curved-wall diffuser by employing 2-D laser Doppler velometer.
103. If you have a binary system whereby both stars are visible so you get the spectrum of both stars, then you see the Doppler shift of both stars in the spectrum.
104. The turbulence properties of annular space a cyclone were investigated by using the Laser Doppler Velocimetry.
105. The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
106. Methods:Color doppler echocardiography were carried out on 68 emergency cases with dyspnoea, chest pain, cardiac failure or stab wound.
107. Objective To evaluate the ability of data-based analysis by color Doppler in diagnosing acute rejection of kidney transplantation.
108. The flow field in the swirl chamber of a motored diesel engine was measured by Laser Doppler Anemometry (LDA).
109. The Doppler parameters of CFV: the retrograde a wave - velocity peak ( Va ) and duration time ( Ta ) were obtained.
110. Conclusion To be simple and accuracy, Color Doppler Sonography offer more important information in the diagnosis of senior degenerative valvulopathy.
111. Results show that the variation method is a efficient way to retrieve 3-D wind field data from Doppler radar data.
112. Conclusions: Color Doppler ultrasonography is of clinical significance in the examination of ophthalmic artery in the patients with visual diminution.
113. Objective : To analyse the applied value of Color Doppler ultrasound on cryptorchidism.
114. Conclusion This study offers a theoretic basis to the early prediction of fetal hyperdynamic circulation with Doppler ultrasound.
115. Then after amplitude limiting, to be preamplified, demodulated, bandpass filtered, the doppler frequency shift signal is extracted.
116. Results: 81 cases of patients with adenomyosis or adenomyoma were diagnosed by color doppler ultrasound.
117. Images 3, 4: Color Doppler images showing the sequestrated part of the lungs with its own arterial supply arising directly from the descending aorta .
118. Conclusions Both color Doppler ultrasound and nuclein scanning were effective and painless in the diagnosis of the thyroid nodule and each has its own superiority.
119. Imagine now you can make the Doppler shift measurements of both stars.
120. One Doppler radar can only measure speed of rain and cloud, but we need three-dimensional wind-vector fields from the echo of wind in application.
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