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- Discuss techniques of avoiding spectrum aliasing of the PW Doppler system. 討論怎樣避免PW多譜勒系統的頻譜混疊。
- Demonstrating the reliability and accuracy of the Doppler system, the rotation ofan electromotor and the reciprocating motion of an accelerometer calibrator aremeasured first. 測量了電動機轉軸轉速和加速度計校準儀的往複振動,驗證了實驗系統的可靠性和準確性。
- ABSTRACT> It is indicated experimentally that the receiving transducer in pulsed Doppler system should possess a broad band to get complete information about blood flow. 本文用實驗方法證明,超聲脈衝多普勒系統的接收換能器應有寬的頻帶,才能獲得血流信息的全貌。
- The fuze is provided with some Anti-jamming function by means of instantaneous time average zero-over rate representing Doppler signal's frequency of continuous wave radio Doppler system fuze. 用短時平均過零率表徵連續波多普勒體制無線電近炸引信多普勒信號頻率,使引信具有一定的抗干擾能力。
- Doppler system with double frequency 雙頻多普勒系統
- Ultra High Frequency Doppler System 特高頻多普勒系統
- Coherent on Rescue Doppler System 相干救援多普勒系統
- Your work falls short of my expectations. 你的工作未達到我的期望。
- Our escape was little short of miraculous. 我們能逃脫簡直是個奇迹。
- A Differential Laser Doppler System for MEMS Motion Measurements 用於微機電系統運動檢測的激光差動多普勒技術
- In the short term, the medicine may not be very effective. 從眼前來看，這葯可能療效不是很大。
- The hope of a short war went glimmering. 戰爭無望在短期內結束。
- Nothing short of this could mend the case. 不這樣就不能挽回局面。
- Short skirts are no longer in vogue in Britain. 在英國，短裙現在不流行了。
- I'm a little bit tired. Let's take a short rest. 我有點累了。讓我們休息一會兒。
- Of this breed we can make short shrift. 這個品種，我們能很快解決。
- Go and get some more oil so we don't run short. 去多弄些油來以免到時候用光了。
- Doppler system with single frequency 單頻多普勒系統
- I am able to pick you up on the short wave radio. 我能用短波收音機收聽到你的信號。
- I can boil down the facts to a short statement. 我可以把這些事實作簡短的陳述。
