occupied bandwidth 中文意思是什麼
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20m frequency bandwidth occupied by the data flow : 20 188 204 2 1. 35 16. 7m
20m數據流所佔用的頻率帶寬為： -
Time, bandwidth and memory resources are occupied to result in the link block as well as the deluge of unhealthy messages. currently, there are some mature filtering methods which adopt software automated filtering and user setting rules. most of the software has a constraint that they need manual setting, which requires some professional domain knowledge
目前已有一些比較成熟的過濾方法採用通過軟體自動過濾與用戶設定規則的方式，但這類軟體存在著明顯的不足:它需要人工設定過濾規則，這要求用戶或管理員有較強的專業知識，還要求用戶能隨著垃圾郵件情況的變化不斷調整這些規則。 -
The theoretical results are evaluated by simulation. if the coherent bandwidth of channel doesn ’ t exceed the occupied bandwidth of two chips, with the increase of delay spread of the channel, mc - ss - cldd exhibits a better performance to make the system resistant to frequency - selective fading
研究結果表明，多載波擴頻碼片級差分檢測在單用戶和多用戶情況下，均適合於時變頻率選擇性衰落通道，並具有抵抗頻率選擇性衰落的能力。 -
Efficiency is the ability of a software system to place as few demands as possible on hardware resources, such as processor time, space occupied in internal and external memories, bandwidth used in communication devices
高效性是軟體系統盡可能少的佔用硬體資源的能力，像是處理器時間，內在的和外部內存空間佔用，通信裝置的帶寬
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