Digitally generated CPFSK IF test signals including phase noise
نویسندگان
چکیده
منابع مشابه
Phase noise characteristics of microwave signals generated by semiconductor laser dynamics.
Phase noise of the period-one (P1) nonlinear dynamical oscillation in an optically injected semiconductor laser is numerically investigated. The P1 dynamics causes the laser output intensity to oscillate at a widely tunable frequency for photonic microwave generation, although the intrinsic spontaneous emission in the laser inevitably degrades the microwave signal and manifests as the oscillati...
متن کاملDetection of Cpfsk Signals Using per Survivor Processing
The use of Per Survivor Processing (PSP) is considered in the detection of a Continuous Phase Frequency Shifl keying (CPFSK) signal. It is shown that PSP can enable the use of a trellis structure for the demodulation that is different from the trellis structure used to generate the CPFSK signal. This allows one to select a receive trellis structure with fewer phases, resulting in a reduced stat...
متن کاملAutomatic Recognition Algorithm for Digitally Modulated Signals
Since the end of the eighties, many researchers have been investigating the automatic identification and recognition of modulated communication signals. Recently, many algorithms have been proposed to automatically identify and recognize the digitally modulated signals. Such types of signals have been used in many applications such as: Electronic warfare, surveillance and threat analysis, contr...
متن کاملSpectral Characteristics of Digitally Modulated Signals
This lecture first introduces the standard representation of complex baseband signal of digital modulated signal and its power spectral density (PSD). Then it shows how the PSD of bandpass signals can always be obtained by its complex baseband envolope. Finally, two important modulation schemes OFDM and PSK are introduced and the spectral characteristics of these two modulated signals are discu...
متن کاملPhase Noise Suppression in OFDM Including Intercarrier Interference
In order to suppress the influence of phase noise in OFDM communications systems, the correction of the common phase error (CPE) does not suffice always, especially when high data rates are required. In this paper we introduce a phase noise suppression algorithm which estimates higher spectral components of the phase noise process in the frequency domain, thus characterizing the deviation from ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Photonics Technology Letters
سال: 1995
ISSN: 1041-1135,1941-0174
DOI: 10.1109/68.393211