步進式發送器 的英文怎麼說
中文拼音 [bùjìnshìfāsòngqì]
步進式發送器
英文
steby stetransmitter- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 進 : 進構詞成分。
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 發 : 名詞(頭發) hair
- 送 : 動詞1 (運送; 傳送) deliver; carry 2 (贈送) give as a present; give 3 (伴送; 送別) see sb of...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
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In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking
系統的發射機選定/ 4 - dqpsk為調制方式,接收機採用基帶差分解調的非相干解調方式,滑動相關器捕獲發送的pn序列,早遲門同步器跟蹤符號同步,使用相關器對同步后的符號進行最佳判決,並在這些演算法實現的基礎上,實現了直接序列擴頻和解擴技術。The future development will mainly be system miniaturization and micromation, the intelligent converter of the works, the standardization of field bus, the standardization of communication network, the mutual saturation of dcs and plc, the introduction of artifical intelligence and specialist system for application and so on to the system software will be more consummated. dcs will adapt the need of all kind of process control much more, will get economical effect more better
今後的發展將主要是在系統小型化和微型化、現場變送器智能化、現場總線標準化、通訊網路標準化、 dcs與plc相互滲透、系統軟體引入應用專家系統和人工智慧等方面會進一步完善, dcs將更加適應各種過程式控制制的需要,將會取得更好的技術經濟效益。To increase the features of rrssms, we improved the reliability of application - level to build a more reliable asynchronous communication model over the existing corba event service, and presente d a technique of web - based active information publication supported by distributed object computing means embedded in web architecture. in this method application server can push information to the web client with the active information publication scheme
同時,為了提高web應用系統的實時性,以更適合遠程監控系統的需要,在應用層對corba事件服務標準的可靠性作了改進,構建了中,一個可靠的異步通信模型,並結合對象web技術提供的分散式對象計算平臺,實現了一個web主動信息發布機制,利用該機制,應用服務器可以主動把信息推送到web的客戶端,提高了web系統的實時性。
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