Doppler

The Doppler frequency can be obtained as a heterodyne or beat effect.

由于外差或頻差效應,能夠得到多普勒頻率.

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The doppler frequency is a function of the two scattering directions.

多普勒頻率是兩個散射方向的函數.

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Doppler - sonar is a dead - reckoning system.

多普勒 - 聲納是一種推測航位系統.

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Objective To simulate the ultrasound Doppler flow imaging of mitral regurgitation.

目的模擬二尖瓣反流的超聲doppler成像.

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Doppler velocity tracing was of high speed and high hinder.

Doppler流速曲線為高速、高阻型.

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The pulsation in the original data of Doppler velocity has to be removed before the retrieval.

用VAP方法反演風矢量場前必須首先消除原始Doppler速度資料中的脈動.

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The flowing counter pulsating and volume of blood stream were showed clearly in colour doppler.

彩色多普勒(doppler)清楚顯示眼上靜脈血液逆向流動及搏動頻譜.

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These aneurysms are often identified on colour Doppler US.

彩色多普勒超聲檢查通?？梢杂脕碓\斷門靜脈瘤.

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Conclusion Doppler echocardiogram is important in diagnosing and differentiating pulmonary stenosis.

結論多普勒超聲在肺動脈瓣狹窄診斷與鑒別診斷中具有重要的價值.

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A Doppler rate estimation method based on sub - space projection technique was proposed.

提出了一種基于子空間投影技術的多普勒調頻率估計方法.

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Doppler frequency drift and timing error were considered in state transform equations.

狀態方程綜合考慮了多普勒頻移、定時誤差.

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The Simulation of Doppler Velocity Log System of Underwater Vehicle.

水下機器人多普勒測速聲納系統仿真.

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Those complicated Doppler shifts are where the angular resolution comes from.

有了這些復雜的多普勒偏移,就有了角分辨率的問題.

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Objective : To analyse the applied value of Color Doppler ultrasound on cryptorchidism.

目的分析彩色多普勒超聲在診斷隱睪癥中的應用價值.

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The radar altimeter mounted on high speed vehicle demonstrateswideband doppler modulation characteristic.

安裝在高速運動載體上的雷達高度表,其地面回波被一寬帶多普勒信號所調制.

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