多进制相移键控,MPSK英语短句,例句大全

多进制相移键控,MPSK
M-ary Phase-Shift Keying (MPSK)多进制相移键控(MPSK)
1.This paper presents a new physical-layer network coding (PNC) method, which extends the modulation method in PNC to 8 phase-shift keying (8PSK) and M-ary phase-shift keying (MPSK).提出了一种新的物理层网络编码方法,将无线网络中物理层网络编码采用的调制方法推广到八进制相移键控(8PSK)以及多进制相移键控(MPSK)。
3)BPSK二进制相移键控
1.In this paper, we improve the double-tent ma Ppseudo-chaotic time hopping in using BPSK modulation, instead of time-hopping (TH) modulation, and this manipulation pro.本文对双帐篷映射伪混沌跳时的跳时调制多址接入方式进行改进,采用二进制相移键控(BPSK)调制,得到的多址接入系统误码性能更好。
4)quarternary phase shift keying (QPSK)四进制相移键控
1.The construction method and recent progresses of incoherent two-dimensional FBG E/D, amplitude modulation superstructure fiber Bragg grating (SSFBG) E/D, coherent binary phase shift keying (BPSK) SSFBG E/D, reconfigurable quarternary phase shift keying (QPSK) SSFBG E/D are discussed.分别给出了非相干光二维FBG编/解码器、振幅调制超结构光纤布喇格光栅(SSFBG)编/解码器、相干光二进制相移键控(BPSK)SSFBG编/解码器、可重构四进制相移键控(QPSK)SSFBG编/解码器的构造方法和最新研究进展,并分析了几种编/解码器的优缺点。
5)8PSK八进制相移键控
1.Quite different with the GSM, EDGE use the ameliorative multi-level 8PSK (Phase-Shift-Keying technology of octal system) i nstead of the GMSK(the minimum Phase-Shift-Keying of the Gaussian advanced filt) to speed up the data transmission.与GSM系统不同的是,EDGE在调制方式上没有采用高斯最小移频键控(GMSK)技术,而是应用了改进的八进制相移键控(8PSK)技术来提供更高的数据传输速率。
6)BPSK二进制移相键控
1.BPSK is a digital modulation scheme,whose carrier phase,controlled by keying,is changed according to baseband impulse.二进制移相键控BPSK调制是载波相位按基带脉冲而键控改变的一种数字调制方式,其功率谱推导在传统上也是按照将基带脉冲的频谱左右频移进行的,因而要求频移后的谱没有混叠,即只有高载频才能忽略近似性,具有一定的局限。