step-by-step excitation 中文意思是什麼
step-by-step excitation
解釋
逐步激發- step : vi （ pp ）1 走；跨步。2 踩，踏上 （on）。3 跳舞，輕快地走，合著步調走。4 跨入，踏進。5 走上。vt ...
- by : adv 1 在側，在旁，在附近。2 （擱）在一邊，（放）到旁邊，（存）在一旁；收著。3 （由旁邊）經過，過...
- excitation : n. 1. 刺激，興奮，激發，鼓舞。2. 【物理學】激發；【電學】激勵、勵磁。3. 【植物；植物學】激感（現象）。
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By the study of the whole decay curves of 10 hours, the influence of each step is summarized, and the best stoichiometry and preparation techniques are acquired. the crystal structure of sral2o4 eu2 +, dy3 + is monoclinic system, which is a high efficiency luminescence crystal structure. the emission spectrum and the excitation spectrum of sral2o4 eu2 +, dy3 + powder are measured
此外，通過x射線衍射譜確定了所制備的sral _ 2o _ 4 ： eu ， dy長余輝材料晶體為單斜晶系結構，並測量其發射光譜，激發光譜，初步討論了sral _ 2o _ 4 ： eu ， dy長余輝蓄能材料可能的發光機理。 -
The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back
勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。
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