【正文】 for receive Antenna .Ascend of add sex voice, can distinguish 第 38 頁 共 45 頁 model to change in to all be worth for., The square is bad for cloud, The independence of the hour distributes together of reply Gauss to change quantity random. The matrix of the signal means the form is a YXH+E, its towel X BE the IXN flatness to decline letter a way characteristic matrix The TXN adds sex voice matrix .At the matrix Y, in the X and E, the level direction mean empty Distribute, the perpendicular direction means time distribute. The S is 1= FSK39。[month, mean the row vector k chemical element: the IN mean N rank unit matrix .Want to send out the signal matrix to carry on to all to be whole before not adopt the simplification calculate way Search, again because of the full speed rate design, P=M, as a result plications along with send out antenna And enter increment of make the number to present index number to add doubly. Our adoption and the cultural heritage 川 is similar to of the letter way model. Consider a MIMO System, have M to send out antenna, the N receives antenna, the assumption is sending out T The letter way of antenna inside the time length of the sign for flat decline(the frequency chooses not Sex)the letter way. The vector of the signal mean form is :BE receive antenna the last TXI receive signal row The quantity, the x, sends out antenna, the last TX t sends out signal row vector .Spirit. Mean From send out the falling off path that the antenna m arrives an of receive the antenna n to increase a benefit。 mean Fr ob e n us Number。the ⑩ mean the K r one product。(3)the wood text put forward of the separation ML examination method and text Dedicate[1,2] in of concern with the examination method to pare not, one is a function to is big in 3 dB of good Place , can make to translate the code plications moreover from with send out antenna the index number relation to reduce for Present 、 In order to concerning with an examination to need to know the letter way an appearance information, the abovementioned operation measure of let up Didn39。s separating the main characteristics of the ST FSK of[with] the ML examination method BE:(1) a do p t Use the real amount full speed rate is hand over a design, be to send out the antenna 第 37 頁 共 45 頁 Acquire the full marks gathers to increase a benefit。 第 36 頁 共 45 頁 3 英文翻譯 Implementation of ST FSK Detection Based on Decoupled Maximum Likelihood Detection Gao Yuanyuan Shen Yuehong Hu Xianbin (Department of Radio Communication /CE, PLAUST, Nanjing 210007, China) Abstract This paper presents a decoupled maximum likelihood(ML) detection algorithm, which utilizes the orthogonal characteristic of signal, decoupled the bined ML detection into separated one, under the assumption that CSI is known at the receiver. Utilizing appropriate channel estimation algorithm, the decoupled algorithm not only sharply reduces the putational plexity pared to the noncoherent ML detection, but also improves the performance. Simulation results confirm the effectiveness of the algorithm. Key words SpaceTime Frequency Shift Keying(STFSK), Unitary design, Decoupled Maximum Likelihood (ML) detection, Coherent maximum likelihood detection Preface The FSK makes a way is high because of its power utilization, be subjected to the limit letter way in the power thus Win to get extensively applied, if the military corresponds by letter to correspond by letter and satellite, cultural heritage have another antenna The empty hour codes the technique and FSK to make a technique to bine together, acquiring many antennas to bring The cent gathers to increase a benefit, in the benefit decline the letter way under condition didn39。 end process。then m=m+1。event and xx=39。 end if。 else t=39。 elsif q=10 then if m=3 then t=39。 end process。 end if。 elsif q=11 then q=0。039。then xx=z。event and clk=39。 第 35 頁 共 45 頁 signal m:integer range 0 to 5。 architecture behav of PL_FSK2 is signal q:integer range 0 to 11。 t :out std_logic)。 start :in std_logic。 use 。 use 。 end behav。 end if。 else y=f2。039。139。 process(clk,x) begin if clk39。 end if。q2=q2+1。 else f2=39。039。q2=q2+1。 第 34 頁 共 45 頁 elsif q2=0 then f2=39。039。139。 process(clk) begin if clk39。 end if。q1=q1+1。 else f1=39。039。q1=q1+1。 elsif q1=5 then f1=39。039。139。 begin process(clk) begin if clk39。 signal q2:integer range 0 to 3。 end PL_FSK。 x :in std_logic。 entity PL_FSK is port(clk :in std_logic。 use 。 第 33 頁 共 45 頁 library ieee。 u2:PL_FSK2 port map(clk,start,e,outy)。 signal e:std_logic。 t :out std_logic)。 end ponent。 architecture behav of FSK1 is ponent PL_FSK port(clk,start,x:in std_logic。 outy :out std_logic)。 use 。 use 。 第 30 頁 共 45 頁 參考文獻(xiàn) [1] 樊昌信等編著 通信原理（第五版） 國防工業(yè)出版社（ 2022） [2] 江蘇技術(shù)師范學(xué)院 通信原理實驗平臺 江蘇技術(shù)師范學(xué)院 （ 2022） [3] .W希茨著 電子電路百科全書 科學(xué)出版社（ 1997） [4] 韓克主編 電子技能與 EDA技術(shù) 暨南大學(xué)出版社（ 2022） [5] 何希才等編著 通用電子線路應(yīng)用 400例 電子工業(yè)出版社（ 2022） [6] 王建新等編著 電子線路實踐教程 科學(xué)出版社（ 2022） [7] 國計量出版社編 通信電路 中國計量出版社（ 2022） [8] 張錫鶴等編著 印制電路板電路設(shè)計實訓(xùn)教材 科學(xué)出版社（ 2022） [9] 謝自美等編著 電子線路設(shè)計實驗測試 華中理工大學(xué)出版社（ 2022） [10]丁玉美 《數(shù)字信號處理》 西安科技大學(xué)出版社 ( 2022) [11] 張雄偉 《 DSP 集成開發(fā)與應(yīng)用實例》 電子工業(yè)出版社 ( 2022) [12] 鄭君里 《信號與系統(tǒng)》 高等教育出版社 (2022) [13] 深振元 《通信系統(tǒng)原理》西安電子科技大學(xué)出版社 (1993) 第 31 頁 共 45 頁 附錄： NE564 板： NE564 芯片一個 通用板兩塊 電容 C1 F 2 個 C2 F 2 個 C3 300PF 2 個 C4 300PF 2 個 C5 10μ F/8V 2