振鈴器 的英文怎麼說
中文拼音 [zhènlíngqì]
振鈴器
英文
ringer-
Bell shaped insulator
振鈴形絕緣器The ring bell detector and the circuit which can simulate picking up the telephone have been set up in the pci demodulator. thus, automatic connection from terminal to center has been realized
現場數據採集及發送系統中設置了自動撥號電路，解調器中設置了振鈴檢測、模擬摘機電路，從而實現了終端到中心的自動連接。Then the paper dicusses the implemention of the modem based on dsp, describes the parts of the modem, design and implement the circuit of the modem ' s echo cancek ring detection -, status supervise and power supply after the detailed research on the dsp ' s performance ? function, memory space and work mode. studies the device driver of the ppsm, develops the modem ' s driver, includes the idma read and write, download page, event handle, send data and receive data
隨后，論文論述基於dsp的modem的設計，對modem的總體結構進行了描述，在對系統使用的dsp晶元adsp2187的性能、功用、存儲器空間和工作模式作了細致研究后，設計和實現了modem的回聲抑制、振鈴檢測、狀態監測和電源等硬體電路，並對ppsm操作系統下外設的驅動程序進行了研究，開發了ppsm下modem的驅動程序，包括idma讀寫、下載頁面、事件處理、發送和接收數據的程序。
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