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词汇: Reactive systems Microprocessor 微处理器 (CPU) Micro Controller Unit (MCU) eg. ARM bare metal 裸机 Parallelism 并行 Multicore 多核 DSP 数字信号处理器 SOC System on 阅读全文
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Communications hub, border-router or Gateway links low power hardware to the outside world Network Wifi/Ethernet Low Power Wide Area Networks Low powe 阅读全文
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Sampling 抽样 Aliasing 混叠 Quantisation 量化 measure discrete amplitude in bits. Real systems have limited resource in terms of the number of available bit 阅读全文
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Services Provided to Application Layer:TCP/IP UDP Transport Service Primitives 传输服务原语 Addressing 寻址 当一个应用进程希望与另一个远程应用进程建立连接时,它必须指定要连接到哪个应用进程上(无连接传输也有同 阅读全文
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Connection-oriented vs Connectionless Service Data Link Layer: The Logical Link Control sublayer The Media Access Control (MAC) sublayer Unacknowledge 阅读全文
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Connectionless vs. Connection-oriented Internet communications use IP (Internet Protocol), connectionless Connections across internet are virtual –dat 阅读全文