Results 1 to 10 of about 232,557 (196)
Instantaneous Frequency Estimation Based on Modified Kalman Filter for Cone-Shaped Target
Remote Sensing, 2020 The instantaneous frequency (IF) is a vital parameter for the analysis of non-stationary multicomponent signals, and plays an important role in space cone-shaped target recognition.
Ke Ren +4 more
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Widely Linear Adaptive Instantaneous Frequency Estimation in Vector Hydrophones [PDF]
Sensors, 2018 To solve the problem that the time-frequency resolution of Short-Time Fourier Transform (STFT) is constrained by the window length and the moving step of the short time window, and to utilize the merits of a widely linear method, a novel instantaneous ...
Panpan Peng, Liang An
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High-Concentration Time-Frequency Representation and Instantaneous Frequency Estimation of Frequency-Crossing Signals [PDF]
SensorsFrequency-crossing signals are widely found in nature and various engineering systems. Currently, achieving high-resolution time-frequency (TF) representation and accurate instantaneous frequency (IF) estimation for these signals presents a challenge and
Hui Li +4 more
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Fractional Differential Equation-Based Instantaneous Frequency Estimation for Signal Reconstruction
Fractal and Fractional, 2021 In this paper, we propose a fractional differential equation (FDE)-based approach for the estimation of instantaneous frequencies for windowed signals as a part of signal reconstruction.
Bilgi Görkem Yazgaç, Mürvet Kırcı
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EURASIP Journal on Advances in Signal Processing, 2021 Frequency modulated (FM) signals sampled below the Nyquist rate or with missing samples (nowadays part of wider compressive sensing (CS) framework) are considered.
Igor Djurović
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Instantaneous Frequency Estimation of Radio Frequency Signal Based on Rydberg Atomic Receiver
IEEE Photonics JournalRydberg atom receiver attracts much research interest for promising applications in communications and sensing. Generally, Rydberg atomic receiver is utilized with microwave frequency comb (MFC) to expand its detectable frequency range. MFC consists of a
Guanyu Chen +3 more
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IEEE Access, 2020 The fault vibration signal of rotating machinery system under strong background noise has the characteristics of non-stationary, non-Gaussian and complex components.
Yanfeng Li, Zhennan Han, Zhijian Wang
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A pde-Based Analysis of the Spectrogram Image for Instantaneous Frequency Estimation
Mathematics, 2021 Instantaneous frequency (IF) is a fundamental feature in multicomponent signals analysis and its estimation is required in many practical applications. This goal can be successfully reached for well separated components, while it still is an open problem
Vittoria Bruni +2 more
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MULTI-LAYERED CEPSTRUM FOR INSTANTANEOUS FREQUENCY ESTIMATION [PDF]
2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP), 2018 In 2018 6th IEEE Global Conference on Signal and Information ...
Chin-Yun Yu, Li Su 0004
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A new technique for instantaneous frequency rate estimation [PDF]
IEEE Signal Processing Letters, 2002 This letter introduces a two-dimensional bilinear mapping operator referred to as the cubic phase (CP) function. For first-, second-, or third-order polynomial phase signals, the energy of the CP function is concentrated along the frequency rate law of the signal. The function, thus, has an interpretation as a time-frequency rate representation.
P O'Shea
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