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hi-Fi

hi-Fi是英語High-Fidelity的縮寫,翻譯為“高保真”,其定義是:與原來的聲音高度相似的重放聲音。
  • ESP8266 WiFi模塊用戶手冊V1.0

    ESP8266  WiFi模塊用戶手冊V1.0 ESP8266是一款超低功耗的UART-WiFi 透傳模塊,擁有業(yè)內(nèi)極富競爭力的封裝尺寸和超低能耗技術(shù),專為移動(dòng)設(shè)備和物聯(lián)網(wǎng)應(yīng)用設(shè)計(jì),可將用戶的物理設(shè)備連接到Wi-Fi 無線網(wǎng)絡(luò)上,進(jìn)行互聯(lián)網(wǎng)或局域網(wǎng)通信,實(shí)現(xiàn)聯(lián)網(wǎng)功能。 ESP8266封裝方式多樣,天線可支持板載PCB天線,IPEX接口和郵票孔接口三種形式; ESP8266可廣泛應(yīng)用于智能電網(wǎng)、智能交通、智能家具、手持設(shè)備、工業(yè)控制等領(lǐng)域。     更多資料,請?jiān)L問安信可開源社區(qū) www.ai-thinker.com

    標(biāo)簽: 8266 WiFi ESP V1 模塊 用戶手冊

    上傳時(shí)間: 2017-07-07

    上傳用戶:硯子兒*

  • RK411無線模塊

    wifi模塊,RAK411 是一款完全符合802.11b/g/n 無線協(xié)議的Wi-Fi 模塊,內(nèi)部集成完整的TCP/IP 協(xié)議棧,支 持ARP、IP、ICMP、TCP 、UDP、DHCP CLIENT、DHCP SERVER、DNS 等多種協(xié)議。支持AP 模式, Station 及Ad-hoc。用戶可以方便、快速地使用模塊實(shí)現(xiàn)組網(wǎng)及數(shù)據(jù)收發(fā)。在SPI 接口下,模塊最大傳輸 速率可達(dá)2Mbps。

    標(biāo)簽: 411 RK 無線模塊

    上傳時(shí)間: 2018-05-17

    上傳用戶:luke242

  • qq電放費(fèi)

    真好的 啊 阿hi順豐his華南師范手機(jī)鈴聲 森林防火師范生老地方看見松島楓 

    標(biāo)簽: 等豐富的非

    上傳時(shí)間: 2019-02-27

    上傳用戶:dyj7898

  • AV安撫afa

    案發(fā)利好覅后v倆海鷗會(huì)妨礙文化佛奧哈佛i網(wǎng)hi哦海鷗飛好哇

    標(biāo)簽: afa

    上傳時(shí)間: 2019-04-15

    上傳用戶:775774

  • 標(biāo)日初級(jí)超詳細(xì)筆記

    1.   日語假名及其發(fā)音一覽     平  片  羅     平  片  羅     平  片  羅     平  片  羅     平  片  羅    假  假  馬     假  假  馬     假  假  馬     假  假  馬     假  假  馬    音            音            音            音            音 ______________________________________________________________________________   あ  ア  a       い  イ  i       う  ウ  u       え  エ  e       お  オ  o      か  カ  ka      き  キ  ki      く  ク  ku      け  ケ  ke      こ  コ  ko     さ  サ  sa      し  シ  si/shi  す  ス  su      せ  セ  se      そ  ソ  so     た  タ  ta      ち  チ  chi     つ  ツ  tsu     て  テ  te      と  ト  to     な  ナ  na      に  ニ  ni      ぬ  ヌ  nu      ね  ネ  ne      の  ノ  no     は  ハ  ha      ひ  ヒ  hi      ふ  フ  fu      へ  ヘ  he      ほ  ホ  ho     ま  マ  ma      み  ミ  mi      む  ム  mu      め  メ  me      も  モ  mo     や  ヤ  ya                     ゆ  ユ  yu                     よ  ヨ  yo     ら  ラ  ra      り  リ  ri      る  ル  ru      れ  レ  re      ろ  ロ  ro     わ  ワ  wa                                                    を  ヲ    o/wo     ん  ン  n         が  ガ  ga      ぎ  ギ  gi      ぐ  グ  gu      げ  ゲ  ge      ご  ゴ  go     ざ  ザ  za      じ  ジ  zi/ji   ず  ズ  zu      ぜ  ゼ  ze      ぞ  ゾ  zo     だ  ダ  da      ぢ  ヂ  ji/di   づ  ヅ  zu/du   で  デ  de      ど  ド  do     ば  バ  ba      び  ビ  bi      ぶ  ブ  bu      べ  ベ  be      ぼ  ボ  bo     ぱ  パ  pa      ぴ  ピ  pi      ぷ  プ  pu      ぺ  ペ  pe      ぽ  ポ  po       きゃ キャ kya                  きゅ キュ kyu                  きょ キョ kyo     しゃ シャ sya                  しゅ シュ syu                  しょ ショ syo     ちゃ チャ cya                  ちゅ チュ cyu                  ちょ チョ cyo     にゃ ニャ nya                  にゅ ニュ nyu                  にょ ニョ nyo     ひゃ ヒャ hya                  ひゅ ヒュ hyu                  ひょ ヒョ hyo     みゃ ミャ mya                  みゅ ミュ myu                  みょ ミョ myo     りゃ リャ rya                  りゅ リュ ryu                  りょ リョ ryo     ぎゃ ギャ gya                  ぎゅ ギュ gyu                  ぎょ ギョ gyo じゃ ジャ zya/ja               じゅ ジュ yu/ju                じょ ジョzyo/jo     びゃ ビャ bya                  びゅ ビュ byu                  びょ ビョ byo     ぴゃ ピャ pya                  ぴゅ ピュ pyu                  ぴょ ピョ pyo

    標(biāo)簽: 日語

    上傳時(shí)間: 2019-07-19

    上傳用戶:sxc1997

  • 2015_01_3GPP_unlicensed_Dino_Flore

    Licensed spectrum remains 3GPP operators’ top priority to deliver advanced services and user experience Opportunistic use of unlicensed spectrum is becoming an important complement for operators to meet the growing traffic demand Moving forward 3GPP operators will have two options to offload traffic to unlicensed spectrum: 1. Wi-Fi (via LTE/Wi-Fi interworking) 2. LTE over unlicensed It will then be up to each individual operator to choose which approach to use, which will depend on a number of factors

    標(biāo)簽: 3GPP_unlicensed_Dino_Flore 2015 01

    上傳時(shí)間: 2020-05-26

    上傳用戶:shancjb

  • Emerging Technologies in Wireless LANs Theory

    Wireless Fidelity (Wi-Fi) networks have become mainstream over the last few years. What started out as cable replacement for static desktops in indoor networks has been extended to fully mobile broadband applications involving moving vehicles, high-speed trains, and even airplanes. 

    標(biāo)簽: Technologies Emerging Wireless Theory LANs in

    上傳時(shí)間: 2020-05-27

    上傳用戶:shancjb

  • Enhanced+Radio+Access+Technologies

    Following chapter introduces the mobile communication, gives a short history of wireless communication evolution, and highlights some application scenarios predestined for the use of mobile devices. Cellular and wireless based systems related to different generations of mobile communication, including GSM, IS-95, PHS, AMPS, D-AMPS, cdma2000 and WCDMA are also described by this Chapter. Much attention in this chapter is given to express the wireless based networks, such as Wi-Fi and WiBro/WiMax, and wireless broadcasting systems, including DMB, DVB-H, and ISDB-T. We conclude the chapter with the future vision of mobile communication evolution

    標(biāo)簽: Technologies Enhanced Access Radio

    上傳時(shí)間: 2020-05-27

    上傳用戶:shancjb

  • Reconfigurable+Mobile+Radio+Systems

    Digital mobile wireless communication and the Internet have undergone a fantastic growth in the last few years and, despite originating from two different worlds, they are converging. This convergence corresponds to the evolution of mobile systems towards the highest broadband data transmissions (GSM, EDGE/GPRS, UMTS then HSDPA), while the computing world gets equipped with wireless technologies such as Wi-Fi or Wi-Max.

    標(biāo)簽: Reconfigurable Systems Mobile Radio

    上傳時(shí)間: 2020-06-01

    上傳用戶:shancjb

  • RISK+COMMUNICATION

    The fi rst edition of this book came about because Regina Lundgren had always been fascinated with communication. She started writing novels in the third grade. When she was asked on her fi rst day at the University of Washington what she hoped to do with her degree in scientifi c and technical communication, she replied, “I want to write environ- mental impact statements.” When Patricia Clark hired her to work at the Pacifi c Northwest National Laboratory to do just that, she was overjoyed.

    標(biāo)簽: COMMUNICATION RISK

    上傳時(shí)間: 2020-06-01

    上傳用戶:shancjb

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