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- We modify the architecture of all-digital phase modulation transmitter proposed by TI, and make it be able to transmit the wide band WCDMA LINC signal. 在本论文中,我们修改了TI提出的全数位相位调变发射机的架构,使其能传输LINC宽频信号,而且使用模拟的方式验证其能符合WCDMA的规范。
- phase modulated transmitter 调相发射机
- phase modulation transmitter 相位调制发射器
- Influence of the incident polarization state drifting off TE mode on composite second order distortion (CSO) and composite triple beat distortion (CTB) of an optical fiber AM CATV externally modulated transmitter is analysed theoretically. 从理论上分析了入射到调制器的偏振态偏离TE模时对外调制光发射机组合二次失真(CSO)和组合三次差拍(CTB)的影响。
- Research on the diffraction characteristics of phase modulated laser beams dispersed spectrally[J]. 引用该论文 江秀娟;周申蕾;林尊琪;朱俭.
- Phase modulated resolvers can be used to model the relation between the sidereal time, right ascension and the hour angle. 工作在调相状态下的旋转变压器可以用其相位模拟恒星时与赤经、时角的关系。
- In WLANs, a third type of modulation called phase modulation is used to superimpose the data signal onto the carrier signal that is broadcast by the transmitter. 在WLAN中,第三种调变称为相位调变,使用来附加资料讯号到传送器广播出的载波讯号。
- The sound signal is Doppler FM modulated based on the analysis of the moving track of the original source,and then phase modulated according to the interaural time difference. 该方法通过对原始声源运动轨迹的分析,对声源信号进行多普勒调频,并根据耳间时间差对双耳信号进行调相。
- narrow-deviation frequency modulated transmitter 窄频偏调频发射机
- Quasi Velocity Matched Electrooptic Phase Modulator[J]. 引用该论文 郭凤珍;于长泰;小林哲郎.
- Control system of piezoelectrical fiber-optic phase modulation[J]. 引用该论文 刘勇;周喃;朱震;朱灵;于清华;翟玉峰.
- Phase Modulation in Multiline Raman Amplification[J]. 引用该论文 XU Jianqiu;LOU Qihong.
- Optical Fiber AM CATV Externally Modulated Transmitter Technology 光纤AM CATV外调制发射技术
- The pollution of noise to signal presented in the form of amplitute and phase modulated signal is closely proven by mathematical formulae. The power of AM noise is equal to that of PM noise. 本文用数学公式严密地证明了,噪声对信号的污染以调制信号的振幅和相位的形式出现,且调幅噪声的功率与调相噪声的功率相等。
- Phase modulation of the laser beam is obtained by EOM in the external cavity. 另外,文中还提出了一种基于双正弦调制技术的激光自混合干涉测距系统。
- Working principle of pseudorandom code phase modulation CW fuze is introduced. 分析了此体制下引信的抗侦察性能。
- Signals are modulated through amplitude modulator and phase modulator respectively then reconstruct at the PA stage. 两个信号再经由震幅调变器和相位调变器分别做调变,最后在放大器端重新将信号重建回来。
- CTB compensation in optical fiber AM- CATV externally modulated transmitter 光纤AM-CATV外调制发射机中CTB补偿技术
- The performance of Stimulated Brillouin Scattering (SBS)suppression is one of the key parameters in optical fiber AM-CATV (amplitude modulated cable television) externally modulated transmitters. 受激布里渊散射(SBS)的抑制性能是光纤调幅有线电视外调制发射机的关键指标之一。
- Ti: LiNbO3 phase modulator is the key device in closed-loop sawtooth modulation fiber-optic gyroscope. 铌酸锂相位调制器是实现锯齿波调制闭环光纤陀螺的关键器件。