Frequency-shift keying

Frequency-Shift Keying Multivalue Transmission Spread Spectrum ( FSK-SS ) Communication

移频键控多值传送扩频（FSK-SS）通信方式

Performance of Space-time Frequency-shift Keying Systems in Presence of Oscillator Phase Noise

振荡器相位噪声对空时频移键控系统性能的影响

At the part of de-noising for frequency-shift keying signal , this paper taking the methods of wavelets denoising and wavelet packet de-noising .

在对移频轨道信号的降噪部分，本文分别使用了小波降噪和小波包降噪两种不同的方法，并给出仿真结果。

We study the performance of an orthogonal modulation system with frequency-shift keying ( FSK ) label and optical Manchester-coded ( MC ) payload .

本文研究了基于光曼彻斯特数据编码及FSK标记方式的正交调制系统。

Non-coherent energy detection was the key technique of frequency-shift keying modulation , so the system introduced Chirp signal as the carrier signal for its performance with sharp energy peak , easy to detect and judge to reduce the probability of error .

非相干能量检测是频移键控技术的关键，系统采用线性调频信号作为载波信号，其匹配信号具有尖锐的能量峰值，易于检测、判决，以降低误判的概率。

Combining the advantages of space-time block codes and frequency-shift keying , space-time frequency-shift keying ( ST-FSK ), which does not require any channel state information at the transmitter and the receiver , can adopt the noncoherent ML detector under the Rayleigh fading channels .

空时频移键控（ST-FSK）结合了空时分组码和频移键控的优点，在瑞利衰落信道条件下无需信道信息，可采用非相干的最大似然（ML）检测器。