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- Then the effect is to steepen the flanks of the pulse spectrum. 因此在效果上是加大了脈沖譜翼部的陡度。
- When the rf pulse is combined with magnetic field gradients, a spatially encoded signal is produced that can be detected and translated into images. 當射頻脈沖與磁場(chǎng)梯度聯(lián)合起來(lái)時(shí)，我們可以探測到一個(gè)空間編碼信號的產(chǎn)生并且將它轉變成圖像。
- In these nonuniform fields the coil voltage caused by the excitation of an RF pulse rapidly decays to zero, but it can be recovered some time later by applying a second pulse. 在不均勻磁場(chǎng)內，射頻脈沖導致的電波很快會(huì )消失，但如果隔一段時(shí)間后再提供第二次脈沖，又會(huì )重新出現。
- Lu Wa, Cheng CH, Wang Lin YY, Wang WK. Pulse Spectrum Analysis of Hospital Patients with possible Liver problems. Am J Chin Med 1997; 24 (3): 315-320. 王正賜：慢性疼痛病人與肝癌病人經(jīng)肝動(dòng)栓塞之脈波頻譜分析。國立陽(yáng)明醫學(xué)院傳統醫學(xué)研究所碩士論文1986。
- The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated. 實(shí)驗研究了超強超短飛秒激光脈沖在經(jīng)過(guò)塊狀介質(zhì)后的光譜展寬和色散補償壓縮現象。
- For example, when a surface coil is used to transmit a rectangular RF pulse into a uniform water phantom, the amplitude of the B1field can vary by several-fold across the imaged object. 比方說(shuō)，當一個(gè)表面線(xiàn)圈向均勻的水介質(zhì)發(fā)射矩形射頻脈沖的時(shí)候，B1 場(chǎng)的振幅有可能在成像物體的不同部位發(fā)生很大的差異。
- microwave pulse spectrum analyzer 微波脈沖頻譜分析儀
- A New Method for Measuring the Stability of RF Pulse Series 一種測量射頻脈沖序列穩定性的新方法
- Then the effect is to steepen the flanks of the pulse spectrum 因此在效果上是加大了脈沖譜翼部的陡度。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
- Chirped Pulse Spectrum Shaping by Spatial Grating with Variable Line-Space 變柵距光柵實(shí)現啁啾脈沖光譜整形
- The survey covered a broad spectrum of topic. 這本簡(jiǎn)史涉及的話(huà)題范圍很廣。
- Direct Digital Synthesized RF Pulse System For Nuclear Magnetic Resonance Based On NCO And DSP 基于NCO與DSP的核磁共振直接數字合成射頻脈沖系統
- The Requirement of Short Term Frequency Stability of RF Pulse Train for COR, MTI, and MTD Radar COR、MTI、MTD雷達對射頻脈沖序列頻率短穩的要求
- He knew the pulse of the nation. 他了解國民的心態(tài)。
- The doctor took my temperature and my pulse. 醫生量了量我的體溫和脈搏。
- Red and violet are at opposite ends of the spectrum. 紅色和紫色位于光譜相對的兩端。
- The excitement quickened my pulse. 激動(dòng)使我的心跳加快。
- The machine is operated by an electronic pulse. 這臺機器由電子脈沖信號操縱。
- Pul is a short form for pulmonary. 應該是肺部氣體栓塞吧!
