shift in pulse 中文意思是什麼
shift in pulse
解釋
移入脈沖-
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them
總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。 -
In the simulations, the shift seems to occur when a pulse of warm atlantic ocean water combines with the thinning and retreat of ice under the influence of the global warming trend
在模型中受全球變暖趨勢的影響，當逐漸變薄、消退的北極冰山遭遇一股大西洋暖流時，這種突變就發生了。 -
Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape
利用變分方法，推導出了在強色散管理的密集周期光纖中脈沖穩態傳輸的解析條件，並給出了初始脈沖峰值功率的表達式.運用這些公式，對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化 -
Chemical - shift magnetic resonance ( mr ) imaging is gradually accepted as a useful technique to distinguish benign adrenal lesions from malignant counterparts based on in - phase and out - of - phase gradient - echo pulse sequences
摘要化學相差磁振造影中，順相及逆相脈沖序最之腫瘤訊號強度的變化，應用在臨床上分辨腎上腺良性或惡性腺瘤是有用且逐漸被接受的圖象診斷工具。 -
The harmonic standard of 18kv side ( sfc ) and sookv are deduced from principle of design of chinese harmonic standard. in chapter three six - pulse and twelve - pulse sfc and the relation of control angle and phase - shift angle of the converter are analyzed. harmonics model of pumped storage power station are established by saber simulation program
第二章通過分析國內外諧波限制標準，闡述了國家諧波限制指標的制定原則及推導；針對大型抽水蓄能電站及sfc裝置的特殊性，對其諧波限制指標進行討論，討論推導出了sfc裝置18kv側和抽水蓄能電站網側500kv的諧波限制指標。 -
Simulation results show that the phase - shift between pumping and signal light in psa results in descending of soliton pulse amplitude
模擬結果表明：抽運光與信號光之間的相位漂移將導致孤子脈沖幅度下降。 -
Agrawal ' s theory model of soa ca n ' t simulate accurately the amplified signal pulse shape in soa when the pulse width is as short as several picosecond. so we simulate accurately the peak power, full width half maximum, rising time and falling time of amplified pulse after considering the gain compression, gain asymmetry, gain shift, gain variable with situation and time. with ultrahigh velocity dense wavelength division multiplexing ( dwdm ) and optical time division multiplexing ( otdm ) developing, we demand more and more short signal pulse and more signal channels
但當信號脈沖的寬度只有幾個皮秒時， soa傳統的agrawal理論模型已經不能完全準確地模擬soa對信號脈沖的放大情況，在此基礎上，我們在全面考慮soa的增益壓縮、增益非對稱和漂移、增益隨位置和時間變化的載流子壽命等物理機制的情況下，對皮秒超短高斯信號光脈沖經soa放大后的脈沖的峰值功率、脈沖半值全寬度、脈沖的上升時間和下降時間等重要物理參量進行了準確模擬和詳細研究。
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