2021
DOI: 10.1016/j.ultras.2021.106434
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Mutually orthogonal Golay complementary sequences in the simultaneous synthetic aperture method for medical ultrasound diagnostics. An experimental study

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Cited by 4 publications
(7 citation statements)
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“…To improve the echo signal noise to ratio (SNR) and defect dis-tance resolution of existing ultrasonic inspection systems, coded ultrasonic excitation techniques and pulse compression are introduced [10,11]. The common forms of coding include pseudo-random M sequence [12], Barker code [13], Golay code [14], and other phase codes, as well as pseudo-Chirp signals [15], linear frequency modulation (LFM) [16], and non-linear frequency modulation (NLFM) [17], etc. In the aforementioned phase codes, the Barker code has the lowest peak sidelobe level (PSL) after matched filtering.…”
Section: Introductionmentioning
confidence: 99%
“…To improve the echo signal noise to ratio (SNR) and defect dis-tance resolution of existing ultrasonic inspection systems, coded ultrasonic excitation techniques and pulse compression are introduced [10,11]. The common forms of coding include pseudo-random M sequence [12], Barker code [13], Golay code [14], and other phase codes, as well as pseudo-Chirp signals [15], linear frequency modulation (LFM) [16], and non-linear frequency modulation (NLFM) [17], etc. In the aforementioned phase codes, the Barker code has the lowest peak sidelobe level (PSL) after matched filtering.…”
Section: Introductionmentioning
confidence: 99%
“…Golay complementary pair (GCP) is a pair of equal length sequences whose out-of-phase aperiodic auto-correlation sums are zeros. GCPs have extensive applications in wireless communication technology [2], radar [3], image processing [4], channel estimation [5], and peak power control in orthogonal frequency division multiplexing (OFDM) [6]. In 1972, Tseng and Liu generalized the concept of GCPs to Golay complementary sets (GCSs) and mutually orthogonal Golay complementary sets (MOCSs) [7].…”
Section: Introductionmentioning
confidence: 99%
“…In 1988, Suehiro and Hatori proposed the concept of complete complementary codes (CCCs) whose set size achieves the theoretical upper bound of MOCSs (i.e., M ≤ N ) [11]. MOCSs have been applied in many practical scenarios such as synthetic aperture imaging systems [4], OFDM-CDMA systems [12] and multi-carrier code division multiple access (MC-CDMA) systems [13][14][15]. Z-complementary code sets (ZCCSs) will be useful if the practical situation focuses more on the set size.…”
Section: Introductionmentioning
confidence: 99%
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