converting technologies 中文意思是什麼
-
The transformation fashion of international industry is converting from the past ladder transformation of periodic productions and technologies to the fast horizontal transformation of the high - tech and new productions, especially with the speeding development and application of the electronic information technology, it changes the essence of the traditional industrialization, changes the human being ' s producing and living way deeply, and promotes the striding development of productivity
當今世界，經濟全球化趨勢日益加深，國際產業轉移方式由過去周期性產品與技術的梯次轉移，轉變為最新技術、最新產品的快速橫向轉移。特別是電子信息技術的飛速發展與應用，不僅改變了傳統工業化的內涵，也深刻地改變了人們的生產生活方式，促進了生產力的跨越式發展。 -
Digital down - converter ( ddc ) is one of the key technologies used by sdr receiver. the ddc module is a data processing part, following the ad sampler. the main function of ddc is extracting narrow - band data from broad - band data which is digitalized by ad sampler, down - converting these data to base - band, and decreasing data rate as well
Ddc數字下變頻器技術作為軟體無線電中的核心技術，是緊跟在ad采樣后的一個處理模塊，他的主要功能是從輸入的寬帶高速數字信號中提取所需的窄帶信號，將其下變頻為數字零中頻，並降低數據的速率。 -
The modularization of data - converting technologies between xml and relational database can improve in reusability, expansibility and maintainability
將xml文檔與關系數據庫之間的數據轉換技術構件化，提高了數據轉換技術的可重用性、可擴展性和可維護性。 -
Application development and process support that require conventional plastics converting technologies ， such as injection molding ， screw extrusion and compression molding ， to move customer programs from concept to commercialization
應用發展和工藝支持要求了解傳統的塑料吹煉技術工藝，如噴射模塑法、擠壓、澆鑄等，使客戶從概念轉入商業運作。 -
Digital down converting is one of the key technologies of software radio. it can improve the efficiency and reliability of communications. lt is also important to realize software radio receivers. the paper focuses on the technologies involved in digital down converting, such as integer sampling - rate conversion, non - integer sampling - rate conversion and carrier frequency offset estimation algorithm. on the base of these, the paper analyzes applications of digital down converting in the hsp50214b programmable downconverter. the hardware and sofeware of the application of digital down converting are also introduced
數字下變頻技術是軟體無線電中的關鍵技術之一。該技術不僅有助於提高通信的有效性和可靠性，還對實現真正的軟體無線電臺有著重要的意義。本文對數字下變頻所涉及整數倍采樣率轉換、非整數倍采樣率轉換和載波初始頻差估計校正作了較深入的研究，並提出了一些實用高效的實現結構和演算法。
分享友人