phasing period 中文意思是什麼
phasing period
解釋
定相周期-
Due to its flexibility, the lrt system can be designed to match both the physical environment and transport demands as well as to provide an alternative choice with quality service. all these factors have contributed to the phasing - out of the old streetcar systems. beginning in the mid - 1970s, light rail transit systems have enjoyed a period of sustained growth, not only providing public transportation but also contributing to the renewal of declining city districts, reutilizing unused rail lines, and providing impetus to local economic development
使得有軌電車自1970年代中期，以輕軌運輸的新風貌漸漸復興，不僅擔負公共運輸功能，更常結合老市區都市更新、舊鐵道再利用、促進經濟再發展的聯合開發計畫，吸引民間投資參與建設，透過由街道面進出的低月臺車站、無欄柵式收費制度、造型流線超低底盤車輛、軌道沿線綠化設施等設計，在都市環境改善與都市永續經營上，充分發揮凈化、綠化、人性化、地標化等效益，發展至今估計全世界輕軌運輸系統路網數目已達約400個左右。 -
However, the optimal results being a statistical average, the antenna pattern of random phasing is unsteady with the scanning angle and scanning period, so it is not easy to form the actually needed codes for control of the antenna scanning
應用遺傳演算法對隨機饋相方案進行優化，能有效抑制寄生副瓣的出現，形成掃描空域確定的波控代碼，實現相控陣波束無慣性的精確指向。
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