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Code-Time Diversity for Direct Sequence Spread Spectrum Systems [PDF]

open access: yesThe Scientific World Journal, 2014
Time diversity is achieved in direct sequence spread spectrum by receiving different faded delayed copies of the transmitted symbols from different uncorrelated channel paths when the transmission signal bandwidth is greater than the coherence bandwidth ...
A. Y. Hassan
doaj   +2 more sources

Improving Signal Security of Secondary Surveillance RADAR by Using Direct Sequence Spread Spectrum Technology [PDF]

open access: yesعلوم و فنون نظامی, 2020
Secondary radars are important equipment in the aviation industry. The basis of this system is the use of the L-band Q&A system for aircraft identification.
Jafar Khalilpur, Mohammad Farahmand rad
doaj   +1 more source

Direct RNA sequencing [PDF]

open access: yesNature, 2009
Our understanding of human biology and disease is ultimately dependent on a complete understanding of the genome and its functions. The recent application of microarray and sequencing technologies to transcriptomics has changed the simplistic view of transcriptomes to a more complicated view of genome-wide transcription where a large fraction of ...
Fatih, Ozsolak   +9 more
openaire   +3 more sources

Performance of Direct Sequence Spread Spectrum System (DSSSS) in Presence of Single and Multi Tone Jamming [PDF]

open access: yesEngineering and Technology Journal, 2013
There are various impairments or problems on direct sequence spread spectrum communication channel especially jamming problems, in order to focus on this problem a direct sequence spread spectrum(DSSS) communication system using Gold code was used as ...
Sadiq Kamel Gharkan   +2 more
doaj   +1 more source

Direct oligonucleotide sequencing with nanopores [PDF]

open access: yesOpen Research Europe, 2020
Third-generation DNA sequencing has enabled sequencing of long, unamplified DNA fragments with minimal steps. Direct sequencing of ssDNA or RNA gives valuable insights like base-level modifications, phosphoramidite synthesis yield estimates and strand quality analysis, without the need to add the complimentary strand.
Sachin Chalapati   +3 more
openaire   +2 more sources

Noetherianity up to conjugation of locally diagonal inverse limits [PDF]

open access: yes, 2019
We prove that the inverse limit of the sequence dual to a sequence of Lie algebras is Noetherian up to the action of the direct limit of the corresponding sequence of classical algebraic groups when the sequence of groups consists of diagonal embeddings.
Bik, Arthur
core   +2 more sources

On General Off-Shell Representations of Worldline (1D) Supersymmetry [PDF]

open access: yes, 2013
Every finite-dimensional unitary representation of the N-extended worldline supersymmetry without central charges may be obtained by a sequence of differential transformations from a direct sum of minimal Adinkras, simple supermultiplets that are ...
Doran, Charles F.   +3 more
core   +2 more sources

Sequence Alignment on Directed Graphs [PDF]

open access: yesJournal of Computational Biology, 2017
AbstractGenomic variations in a reference collection are naturally represented as genome variation graphs. Such graphs encode common subsequences as vertices and the variations are captured using additional vertices and directed edges. The resulting graphs are directed graphs possibly with cycles.
Vaddadi, Kavya   +3 more
openaire   +2 more sources

A direct-sequence spread-spectrum super-regenerative receiver [PDF]

open access: yes, 2000
Current applications of the super-regenerative receiver use narrowband modulations. In this paper a new architecture that allows incoherent detection of spread-spectrum signals is presented.
Mas Casals, Orestes Miquel   +2 more
core   +1 more source

Inhibition of the dorsomedial striatal direct pathway is essential for the execution of action sequences

open access: yesNeuropsychopharmacology Reports, 2023
Contrary to the previous notion that the dorsomedial striatum (DMS) is crucial for acquiring new learning, accumulated evidence has suggested that the DMS also plays a role in the execution of already learned action sequences.
Anna Kono   +4 more
doaj   +1 more source

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