ism band 中文意思是什麼

ism band 解釋
ism頻段
  • ism : n. 主義，學說，制度。 an age of isms 主義、學說多的時代。 various isms of modern literature and art 當代文藝的各種流派。
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  1. Each reader operates in a particular frequency channel of the authorised 2. 45 ghz ism band

    每一臺感應讀卡機都必須在不同的頻道下運作，不能有任何兩臺感應讀卡機使用相同頻道。
  2. Being compared with other common rf chips, nrf903 is chosen to fulfill short distance wireless communication in ism band

    通過對比選用了nrf903射頻晶元，實現在ism頻段的短距離無線傳輸。
  3. Bluetooth operates at license - freed ism band and is generally regarded as the dominant technology to construct personal wireless area network ( pwan )

    藍牙系統工作在無需許可的ism頻段，是構建個人無線局域網（ pwan ）的主導技術。
  4. Bluetooth operates in the global available 2. 4ghz free ism band, its topology is the piconet. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段，採用微微網作為其網路的基本單元，並採用電路交換技術和分組交換技術組合，實現語音和數據的無線通信。
  5. Bluetooth technology, a new wireless technology in ism band, can freely transmit. data and voice in short distance. the application to intelligent home is one of the most important applications of bluetooth, and it drives bluetooth ' s development

    藍牙技術，作為一種在2 . 4ghz無線基礎上新發展起來的電纜置換技術，由於其全球統一的標準性、數據和語音傳輸方面的優越性、自動組網能力、低功耗、低成本和高安全性等特點，已經得到人們的廣泛認同。
  6. Bluetooth wireless technology uses the globally available unlicensed ism radio band of 2. 4ghz and its topology is best described as a multiple piconet structure. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段，採用微微網作為其網路的基本單元，並採用電路交換技術和分組交換技術組合，實現語音和數據的無線通信。
  7. The zigbee performance of co - channel anti - interference is investigated. the coexistence problem of zigbee with some interferences in the 2. 4ghz ism ( industry, science, medicine ) frequency band is analyzed. by analyzing zigbee mechanism of anti - interference, such as channel algorithm, and by considering the condition of wi - fi, bluetooth, the following conclusion is reached : the proper choice of channel, larger frequency offset and a proper distance from a interfering source are the three effective strategies for further improving coexistence performance of zigbee

    3 .對zigbee技術本身的抗同頻干擾性能進行了研究，分析了在2 . 4ghz頻段zigbee和主要干擾源的共存問題，通過分析zigbee的通道演算法等抗干擾機制並結合wi - fi 、藍牙等技術的特點，得出結論:正確選擇通道、增大頻偏以及和干擾源保持一定距離是保證共存的三個主要措施。
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