This book emphasis on multi-user MIMO communication. It covers a collection of the major topics and issues in multi-user MIMO systems. Recent Trends in Multi-user MIMO Communications provides a tutorial overview of the latest technologies and research KEYs related to multi-user communication.
標(biāo)簽： Multiuser Recent Trends MIMO
上傳時間： 2020-06-01
上傳用戶：shancjb
溫度控制如今已成為當(dāng)代社會研究的熱點之一,而溫度檢測在現(xiàn)代設(shè)備參數(shù)檢測中也是一項極其重要的技術(shù),應(yīng)用十分廣泛。與傳統(tǒng)的測溫方法相比,紅外測溫方法具有時間短、精度高、使用簡單方便等優(yōu)點。本文以環(huán)境溫度為被測對象,設(shè)計了以STC89C52單片機(jī)為控制中心的紅外測溫裝置,能夠?qū)崿F(xiàn)對目標(biāo)溫度的實時采集、處理、顯示和報警等功能。本設(shè)計主要是由STC89C52單片機(jī)、紅外測溫傳感器、LCD1602液晶顯示器、按鍵和蜂鳴器等部分組成,采用非接觸的方式對目標(biāo)溫度進(jìn)行實時檢測。Temperature control has become one of the hotspots in contemporary social research,and temperature detection is an extremely important technology in modern equipment parameter detection.Compared with traditional method,the infrared temperature measuring method has advantages of short time,high precision and convenient operation,etc.This paper consider environment temperature as research objects and designs an infrared temperature measuring device which employs the STC89C52singlechipas-control center,and it can realize timely collection,processing,display and alarm function of the target temperature.The design is mainly composed of STC89C52 singlechip,infrared temperature sensor,LCD1602monitor,KEYs and buzzer,etc.This design detects the target temperature by non-contact method.
上傳時間： 2022-03-27
上傳用戶：jiabin
高通藍(lán)牙芯片QCC5144 詳細(xì)規(guī)格手冊datasheet （共99頁）含各個接口說明，應(yīng)用原理圖等信息。 QualcommTrueWireless? stereo earbuds (無線雙耳） Features（特點） ■ Qualifiedto Bluetooth v5.2 specification （藍(lán)牙協(xié)議標(biāo)準(zhǔn)5.2） ■ 120 MHz Qualcomm ? Kalimba ? audio DSP （120MHz 的音頻DSP處理器） ■ 32 MHz/80MHz Developer Processor for applications ■ Firmware Processor for system ■ Flexible QSPI flash programmable platform （可編程的QSPI外掛存儲器） ■ High-performance 24?bit audio interface （高性能的24位音頻接口） ■ Digital and analog microphone interfaces （含 數(shù)字 及模擬 MIC接口） ■ Flexible PIO controller and LED pins with PWM support ■ Serial interfaces: UART, Bit Serializer (I2C/SPI), USB 2.0 （支持串口，I2C， SPI，USB 接口） ■ Advanced audio algorithms （高級的音頻算法） ■ ActiveNoise Cancellation: （支持ANC 主動降噪功能） Hybrid, Feedforward, and Feedback modes, using Digital or Analog Mics, enabled using license KEYs available from Qualcomm? ■ Qualcomm ? aptX ? and aptX HD Audio （支持獨(dú)特的aptx 功能）
上傳時間： 2022-04-07
上傳用戶：
高通藍(lán)牙芯片QCC3040 詳細(xì)規(guī)格手冊datasheet （共96頁）QualcommTrueWireless? stereo earbuds (無線雙耳）Features（特點）■ Qualifiedto Bluetooth v5.2 specification （藍(lán)牙協(xié)議標(biāo)準(zhǔn)5.2）■ 120 MHz Qualcomm ? Kalimba ? audio DSP （120MHz 的音頻DSP處理器）■ 32 MHz Developer Processor for applications （32MH的 應(yīng)用處理器）■ Firmware Processor for system■ Flexible QSPI flash programmable platform （可編程的QSPI外掛存儲器）■ High-performance 24?bit audio interface （高性能的24位音頻接口）■ Digital and analog microphone interfaces （含 數(shù)字 及模擬 MIC接口）■ Flexible PIO controller and LED pins with PWM support■ Serial interfaces: UART, Bit Serializer (I2C/SPI), USB 2.0 （支持串口，I2C， SPI，USB 接口）■ Advanced audio algorithms （高級的音頻算法）■ ActiveNoise Cancellation: （支持ANC 主動降噪功能）Hybrid, Feedforward, and Feedback modes, using Digitalor Analog Mics, enabled using license KEYs available from Qualcomm?■ Qualcomm ? aptX ? and aptX HD Audio （支持獨(dú)特的aptx 功能）
上傳時間： 2022-04-09
上傳用戶：slq1234567890
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