Fundamentals of Radar Signal Processing (Richards, M.A.; 2005) [Book review]

Miller, R. J.

doi:10.1109/msp.2009.932123

Cited by 16 publications

(6 citation statements)

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“…In the interference scenario, the interference signal is commonly endowed with greater power in contrast to the target echo due to its one-way propagation characteristic, while the target echo requires two-way propagation to reach the radar receiver, and consequently has greater free-space attenuation. Regarding this characteristic, the constant false alarm rate (CFAR) detector is used to detect the interference in the sub-band time domain signal [34].…”

Section: Interference Detection and Mitigation Of Sub-band Signalsmentioning

confidence: 99%

Mitigation of Millimeter-Wave Radar Mutual Interference Using Spectrum Sub-Band Analysis and Synthesis

Yin

Feng²,

2023

Remote Sensing

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Millimeter-wave radars are widely used in automotive radars because of their all-weather and all-day operation capability. However, as more and more radar sensors are used, the possibility of mutual interference between radars increases dramatically. Severe interference increases the noise level, affects target detection performance, and can lead to missed detection and wrong detection. In this study, a novel solution to the problem of mutual radar interference is introduced. The method is based on the analysis and synthesis of spectrum sub-bands. Specifically, the received radar signal is partitioned into sub-bands, after which interference mitigation is carried out in each sub-band. Finally, the signals are reconstructed to obtain interference-free data. The effectiveness of this approach is evaluated using both a simulated multi-target scenario and a real-life experimental environment. The results demonstrate that the proposed method outperforms existing techniques in terms of interference mitigation while exhibiting rapid processing speeds.

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Section: Interference Detection and Mitigation Of Sub-band Signalsmentioning

confidence: 99%

Mitigation of Millimeter-Wave Radar Mutual Interference Using Spectrum Sub-Band Analysis and Synthesis

Yin

Feng²,

2023

Remote Sensing

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“…where η is the threshold factor; W 3dB is the 3 dB spectrum width of the sin c function; W 3dB = 0.89 • W Rayleigh [33], where W Rayleigh is the Rayleigh bandwidth of the sin c function, which is related to the length of the time series. For a signal with a duration of τ s, its Rayleigh bandwidth is W Rayleigh = 1 τ Hz [34].…”

Section: Target Discriminationmentioning

confidence: 99%

Long-Time Coherent Integration for Marine Targets Based on Segmented Compensation

Zhao,

Zhang,

Wang

et al. 2023

Remote Sensing

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Long-time coherent integration is an effective method for dim target detection from heavy sea clutter. To detect dim targets, a novel long-time coherent integration method based on segmented compensation is proposed in this paper. The method models the complex motion of a marine target as the combination of multi-stage uniformly accelerated motions. According to the difference of energy distribution in Doppler frequency domain, this method can suppress sea clutter and detect the regions of interest (ROIs). Using time–frequency domain energy analysis, the potential target can be extracted. After estimating the parameters and segmentation, for the potential targets, the phase compensation factor can be used to eliminate the Doppler frequency modulation caused by the complex motion. Finally, for the compensated signal, long-time coherent integration is performed to realize the target detection and discrimination under low signal-to-clutter ratio. To verify the effectiveness of the proposed method, we apply simulation data and measured CSIR data in the experiments. The results show that the proposed method can integrate the energy of target more effectively than MTD and RFrFT, and the novel method has better detection performance for complex moving targets under low signal-to-clutter ratio situation.

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“…Furthermore, this type of ambiguity function introduces significant range-Doppler coupling, which reduces measurement accuracy for moving targets. 14,15 Due to its enormous potential in multi-band radar systems, multi-band chirped microwave signals have garnered a lot of attention in addition to single-band chirped microwave signals. Modern radar systems use linearly chirped microwave waveforms with high pulse compression capability to attain high-range resolution.…”

Section: Introductionmentioning

confidence: 99%

“…Modern radar systems use linearly chirped microwave waveforms with high pulse compression capability to attain high-range resolution. 14 Radar systems can get around this problem and enhance range-Doppler resolution by using dual-chirp microwave waveforms. 15 Two waveform components make up a dualchirp microwave signal: an up linearly chirped waveform and a down linearly chirped waveform.…”

Section: Introductionmentioning

confidence: 99%

“…Due to its enormous potential in multi‐band radar systems, multi‐band chirped microwave signals have garnered a lot of attention in addition to single‐band chirped microwave signals. Modern radar systems use linearly chirped microwave waveforms with high pulse compression capability to attain high‐range resolution 14 . Radar systems can get around this problem and enhance range‐Doppler resolution by using dual‐chirp microwave waveforms 15 .…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A review on photonic‐assisted dual‐chirp microwave waveform generation methods

Kumar,

Raghuwanshi,

Yadav

2024

Micro & Optical Tech Letters

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In recent times, photonic synthesis and processing of arbitrary microwave waveforms have gained interest due to their high frequency and huge time–bandwidth product. This study reviews methods for producing dual‐chirp microwave waveforms, focusing mostly on system topologies based on external modulation techniques, such as cascaded Mach–Zehnder modulator (MZM), dual parallel MZM, and dual polarized MZM. Other photonic approaches, like using semiconductor laser and optical heterodyne detection methods, are also discussed. These techniques are preferable because of high frequency, enhanced time–bandwidth product, greater chirp rate, and many more advantages. Additionally, the difficulties associated with integrating the systems into real‐world applications are also addressed.

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Fundamentals of Radar Signal Processing (Richards, M.A.; 2005) [Book review]

Cited by 16 publications

References 0 publications

Mitigation of Millimeter-Wave Radar Mutual Interference Using Spectrum Sub-Band Analysis and Synthesis

Mitigation of Millimeter-Wave Radar Mutual Interference Using Spectrum Sub-Band Analysis and Synthesis

Long-Time Coherent Integration for Marine Targets Based on Segmented Compensation

A review on photonic‐assisted dual‐chirp microwave waveform generation methods

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