pilot receiver 中文意思是什麼
pilot receiver
解釋
導頻接收器-
Section 4 researches on pilot symbol aided space - time 2d rake receiver in rayleigh fading channel. two kinds of 2d - rake receivers are proposed, one is the interference zeros force 2d - rake receiver ( zf - 2drake ). simulation results reveal zf - 2drake has the better performance than the conventional 2d - rake receiver
研究了rayleigh通道下2種導頻輔助的空時2d - rake接收機結構:干擾置零2d - rake接收機( zf - 2drake )和基於空時通道估計的時空級聯2d - rake接收機( spce - 2drake ) ,推導了它們的誤碼率性能。 -
The viterbi decoder with hard decision designed by the paper, is aimed at ( 3, 1, 9 ) convolutional coding. the data rate is 9. 6kbps. the data rate received by the rake receiver is spreaded by 127 - bit spread sequences, added pilot signals and modulated by qpsk
該課題所設計viterbi譯碼是針對( 3 , 1 , 9 )卷積碼的硬判決譯碼,數據速率為9 . 6kbps ; rake接收機所接收的數據是擴頻因子為127 、加入導頻且經qpsk調制的擴頻信號,使用verilg硬體描述語言在xilinx公司的ise環境下在用現場可編程門陣列( fpga )來實現viterbi譯碼器和rake接=收機的功能。 -
Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified
第三,提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機,而且不改變原非擴頻系統。
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