研究了两种基带IJ F脉冲信号:双码元间隔升余弦脉冲以及双码元间隔三角脉冲,并对它们的性能参数作了比较。
Tow base-band IJF pulse signal have been researched: the time-limited double-code rise cosine pulse and the time-limited double-code triangle pulse.
由于放大器的负载为调谐回路,所以能选出余弦脉冲中的基准分量,获得不失真的放大信号输出,因此这种放大器也称为调谐功率放大器。
As the amplifier tuned load circuit, they are able to select the base component cosine pulse to obtain undistorted amplification signal output, so this amp is also known as tuned power amplifier.
本文提出一种利用ZAK变换及优化的升余弦滚降滤波器设计的OFDM/OQAM系统时频局域优化脉冲成形滤波器。
The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems.
结果表明,性能比较理想的是高斯型包络的调制脉冲和升余弦包络的调制脉冲。
The simulation results show that the relatively ideal pulses are modulated pulses with Gaussian envelope and rectified cosine envelope.
分别实现了V.29信号基本调制解调过程,包括平方根升余弦滚降脉冲成形技术的滤波器实现,以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
分别实现了V.29信号基本调制解调过程,包括平方根升余弦滚降脉冲成形技术的滤波器实现,以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
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