擬酉的 的英文怎麼說
中文拼音 [nǐyǒude]
擬酉的
英文
quasi-unitary-
We define str ongly - e - unitary inverse semigroup in the third chapter. in this paper we give necessary and sufficient conditions for the semidirect products of 5 and t to be strongly - inverse semigroup, cilfford quasi - regular semigroup, strongly - e - unitary inverse semigroup and e - unitary inverse semigroup in the four chapters
E酉逆半群和e酉逆半詳這幾種擬正則半群的充要條件，與么半群的情況不同的是，我們是通過s和t的子半群t 」來刻劃這些充要條件的The assumption that the channel is known is questionable in a rapidly changing mobile environment, or when multiple transmitter antennas are employed. unitary space - time codes and differential unitary space - time codes do n ' t need any channel information. we discuss the unitary space - time codes briefly and study the details of the dustc, including the fundamental differential transmission and receiver equation, and parameters searching algorithm. the parameters searching and simulations results is proposed
酉空時編碼及酉差分空時編碼（ dustc ）都不需要通道信息，著重研究了酉差分空時編碼技術，簡要說明了酉空時編碼的信號形式及星座設計方法;分析了dustc的發送和接收公式，分析了dustc的嚴格pep和sep的聯合界，給出了當snr值在不同的范圍時， dustc星座參數的選取準則，並進行了rayleigh衰落通道的模擬。
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