message validity 中文意思是什麼
message validity
解釋
信息有效期-
In this protocol, the transmitter organizes the frame according to it, and the receiptor does validity check of the characters, length check, crc check. thus, the system will work more exactly and efficiently. and based on rs - 485 communication, the paper implements a process communication method, which is impulsed by overtime message of timers ’ check
在這種協議中，發送方根據協議組幀，接收方主要採用了字元合法性校驗、長度校驗、內容的crc校驗，提高了通信的效率及正確性，最後在rs - 485通信上實現了基於定時器超時檢測消息驅動的進程通信策略。 -
Specified by the protocol, timestamping of each message by the trusted processor is made to ensure the validity and reliability
該時間侵犯檢測協議由可信任的處理器為每條消息加蓋時戳，保證消息的有效性和可靠性。 -
1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。 -
The concept of multisignature, in which multiple signers can cooperate to sign the same message and any verifier can verify the validity of the multi - signature, was first introduced by itakura and nakamura
Itakura和nakamura提出了首個多重數字簽名方案，其中所有的簽名者合作對于同一個消息進行簽名，該簽名可以被任何人驗證其合法性。
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