ijf

IJF-OQPSK is actually to modulate the IJF codes by the Offset Quadrature Phase Shift Keying.

IJF&OQPSK实际上是对IJF信号再进行正交四相相移键控的调制技术。

A new type of IJF pulse which has fine performance, low envelope fluctuation is presented.

提出一种性能优越 、 幅度起伏小、可移植性好的改进IJF码型.

IJF-OQPSK is an important modern digital modulation technique.

OQPSK是一种重要的现代数字恒包络调制技术.

By the pre-election wave function, simulation and digital hardware circuit has been done to realize the IJF coding.

我们采用数字硬件电路，利用预选波形函数法实现了对原始数据的IJF编码。

An implementation scheme of IJF coding based on FPGA is proposed, which has the features of highly integration, flexible configuration, stable performance.

提出一种基于FPGA的IJF数字基带编码实现方案，具有高度集成、占用资源少、配置灵活、性能稳定的特点。

IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.

IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。

Simulation results show that compare to the rise cosine pulse, with the narrow main valve and the faster high frequency rolling and the better resisting of spectral spreading, the new type IJF code has better performance.

仿真结果表明：与传统的升余弦脉冲比较，新设计的IJF码型性能更加优越，表现为主瓣窄，高频滚降快，有效地抑制了频谱扩展。