次級多倍體 的英文怎麼說

中文拼音 [duōbèi]
次級多倍體 英文
secondary polyploid
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : Ⅰ名詞(跟原數相同的量) times Ⅱ形容詞(加倍) double; twice as much
  • : 體構詞成分。
  • 次級 : secondary
  1. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟無線電結構框架下,首先詳細探討了軟無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟無線電的一個重要基礎,即采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一抽取的cic濾波器和適用於做2抽取的半帶濾波器;再論文在總結了傳統的調制解調基礎上,結合軟無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
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