Results 61 to 70 of about 6,396,998 (143)

Modulation Signal Recognition of Underwater Acoustic Communication Based on Archimedes Optimization Algorithm and Random Forest. [PDF]

Sensors (Basel), 2023
Wang M, Zhu Z, Qian G.
europepmc   +1 more source

Direct-sequence spread-spectrum ultrasonic testing device

, 1995
Techniques for providing an ultrasonic flaw detection system are disclosed. A continuous wave of wide-band direct-sequence spread-spectrum signals continuously drives one or more transmitting transducers, thereby flooding a test object with coded ...
Wormley, Samuel, Papadakis, Emmanuel, Russell, Steve   +2 more
core  

A Novel Recognition Method for Direct Sequence Spread Spectrum (DSSS) Signals Based on Secondary Power Spectrum

Advances in Computer, Signals and Systems, 2023
openaire   +1 more source

Multidomain Narrowband Interference Intelligent Suppression Method Based on Cognitive Radio and MIMO in UAV Data Link. [PDF]

Comput Intell Neurosci, 2022
Luo X, You L, Lv J, Zhong C.
europepmc   +1 more source

Interception techniques for direct sequence spread spectrum signals

, 2005
In this work interception and spreading sequence estimation of Direct Sequence Spread Spectrum (DSSS) signals, in low signal to noise power ratios is discussed.
UYGAR KARADENİZ
core  

Serial Acquisition of DS-CDMA Signals in Multipath Fading Mobile Channels

, 2001
This paper compares the mean acquisition time (MAT) performance of two serial search acquisition schemes over frequency-selective multipath Rayleigh fading channels.
Yang, L-L., Hanzo, L.
core   +1 more source

Adaptive Detection of Direct-Sequence Spread-Spectrum Signals Based on Knowledge-Enhanced Compressive Measurements and Artificial Neural Networks. [PDF]

Sensors (Basel), 2021
Zhang S, Liu F, Huang Y, Meng X.
europepmc   +1 more source

A Multichannel Conflict-Free Mac Protocol for Enhancing RPMA Scalability. [PDF]

Sensors (Basel), 2023
Alsaeedi EA, Bouabdallah F.
europepmc   +1 more source

Spread spectrum training and development [PDF]

, 2004
Spread Spectrum communication system has been evolving rapidly since it was first commercialized by FCC (Federal Communication Commission). One of the techniques, which is Direct Sequence Spread Spectrum (DSSS), is widely used in CDMA system. In DSSS, a
Lukie., Marietta Rachel
core  

A Communication Anti-Jamming Scheme Assisted by RIS with Angular Response. [PDF]

Entropy (Basel), 2023
Wang J, Jiang W, Huang K, Sun X.
europepmc   +1 more source