Polyphase system
View article
LPI Radar Waveform Recognition Based on Time-Frequency Distribution Open
In this paper, an automatic radar waveform recognition system in a high noise environment is proposed. Signal waveform recognition techniques are widely applied in the field of cognitive radio, spectrum management and radar applications, e…
View article
Loop Dynamics and Enzyme Catalysis in Protein Tyrosine Phosphatases Open
Protein tyrosine phosphatases (PTPs) play an important role in cellular signaling and have been implicated in human cancers, diabetes, and obesity. Despite shared catalytic mechanisms and transition states for the chemical steps of catalys…
View article
Engineering DNA recognition and allosteric response properties of TetR family proteins by using a module-swapping strategy Open
The development of synthetic biological systems requires modular biomolecular components to flexibly alter response pathways. In previous studies, we have established a module-swapping design principle to engineer allosteric response and D…
View article
Radar Waveform Recognition Based on Time-Frequency Analysis and Artificial Bee Colony-Support Vector Machine Open
In this paper, a system for identifying eight kinds of radar waveforms is explored. The waveforms are the binary phase shift keying (BPSK), Costas codes, linear frequency modulation (LFM) and polyphase codes (including P1, P2, P3, P4 and F…
View article
Polyphase Magmatism During the Formation of the Northern East Greenland Continental Margin Open
New marine geophysical data acquired across the partly ice‐covered northern East Greenland continental margin highlight a complex interaction between tectonic and magmatic events. Breakup‐related lava flows are imaged in reflection seismic…
View article
On the Properties of the Compound Nodal Admittance Matrix of Polyphase Power Systems Open
Most techniques for power system analysis model the grid by exact electrical circuits. For instance, in power flow study, state estimation, and voltage stability assessment, the use of admittance parameters (i.e., the nodal admittance matr…
View article
Polyphase kinematic history of transpression along the Mecca Hills segment of the San Andreas fault, southern California Open
Miocene–Pliocene sedimentary rocks in the Mecca Hills, southern California, were uplifted and deformed by transpression along a restraining bend in the San Andreas fault trace between the Orocopia and San Bernardino Mountains in Pleistocen…
View article
The petrologic and petrochronologic record of progressive vs polyphase deformation: Opening the analytical toolbox Open
The concepts of progressive and polyphase deformation have been widely applied by structural geologists to explain complexly deformed rocks, particularly for ductile conditions. Interpreting complex structural patterns as the result of pro…
View article
Signal processing with frequency and phase shift keying modulation in telecommunications Open
In this paper represents research improving effectiveness of signal processing in telecommunication devices especially for its part, which relates to providing its noise resistance in conditions of noise and interference. This objective ha…
View article
Optimal design of anti‐interrupted sampling repeater jamming waveform for missile‐borne radar based on an improved genetic algorithm Open
The optimal design of transmitted waveforms to improve the performance of missile‐borne radar in suppressing interrupted sampling repeater jamming (ISRJ) is studied here. The waveform diversity property requires that the waveform group has…
View article
A 100-kW Wireless Power Transfer System Development Using Polyphase Electromagnetic Couplers Open
Wireless power transfer (WPT) is an essential technology enabling automated charging of electric vehicles with safety, convenience, and flexibility while having high efficiencies. High-power wireless charging systems will be one of the dom…
View article
Greedy Code Search Based Memetic Algorithm for the Design of Orthogonal Polyphase Code Sets Open
Multiple-input-multiple-output (MIMO) radar has received significant attention because it offers broad design freedom and superior performance. Polyphase code sets with low autocorrelation sidelobe peaks and low cross-correlation peaks, al…
View article
A High-Throughput Oversampled Polyphase Filter Bank Using Vivado HLS and PYNQ on a RFSoC Open
Many digital signal processing applications require a channelizer capable of moving sections of the incoming spectrum to baseband quickly and efficiently with minimal spectral leakage and signal distortion. We report the design and impleme…
View article
Spectrometers and Polyphase Filterbanks in Radio Astronomy Open
This review gives an introduction to spectrometers and discusses their use within radio astronomy. While a variety of technologies are introduced, particular emphasis is given to digital systems. Three different types of digital spectromet…
View article
A 0.6–4.0 GHz RF-Resampling Beamforming Receiver With Frequency-Scaling True-Time-Delays up to Three Carrier Cycles Open
5th generation (5G) New Radio (NR) demands high data-rate connections for wireless channels that are crowded by interference signals, especially the frequency range 1 (FR1). On the other hand, the desire to integrate more functionality on …
View article
A Novel MIMO Radar Orthogonal Waveform Design Algorithm Based on Intelligent Ions Motion Open
Orthogonal waveform design is one of the key technologies that affects the detection performance of MIMO radars. Most of the existing methods indirectly tackle this problem as an intractable nonconvex optimization and an NP-hard problem. I…
View article
Haplotype Threading: Accurate Polyploid Phasing from Long Reads Open
Resolving genomes at haplotype level is crucial for understanding the evolutionary history of polyploid species and for designing advanced breeding strategies. As a highly complex computational problem, polyploid phasing still presents con…
View article
Comment on “The Mesozoic Margin of the Maghrebian Tethys in the Rif Belt (Morocco): Evidence for Polyphase Rifting and Related Magmatic Activity” by Gimeno‐Vives et al. Open
Key Points The main Mesorif gabbros emplaced in a Liassic oceanic domain and do not belong to the Central Atlantic Magmatic Province (CAMP) CAMP dolerites may occur separately next to the oceanic gabbros in the structurally complex Mesorif…
View article
Voltage balancing of modular smart transformers based on dual active bridges Open
Modular medium voltage power converters have
\ngained increasing attention in context of Smart Transformers
\n(STs) in the electrical distribution grid. A possible ST architecture
\ncan be built by a Cascaded H-Bridge (CHB) converter in th…
View article
A Generalized Index for Static Voltage Stability of Unbalanced Polyphase Power Systems Including Thévenin Equivalents and Polynomial Models Open
This paper proposes a Voltage Stability Index (VSI) suitable for unbalanced polyphase power systems. To this end, the grid is represented by a polyphase multiport network model (i.e., hybrid parameters), and the aggregate behavior of the d…
View article
Thermal Design and Optimization of High- Power Wireless Charging System Open
In this paper, the thermal design and optimization of a high-power wireless charging system (WCS) is proposed. An integrated electromagnetic and thermal co-optimization is essential to design a high power-density WCS pad. This study presen…
View article
Radar wideband digital beamforming based on time delay and phase compensation Open
In conventional phased array radars, analogue time delay devices and phase shifters have been used for wideband beamforming. These methods suffer from insertion losses, gain mismatches and delay variations, and they occupy a large chip are…
View article
Exploiting Coefficient Symmetry in Conventional Polyphase FIR Filters Open
The conventional polyphase architecture for linear-phase finite impulse response (FIR) filter loses its coefficient symmetry property due to the inefficient arrangement of the filter coefficients among its subfilters. Although, existing po…
View article
An interior search algorithm based on chaotic and crossover strategies for parameter extraction of polyphase induction machines Open
The accuracy of the extracted parameters is important for studying the polyphase induction motor performance and/or the motor control schemes. An investigated and improved interior search algorithm (IISA) is presented in this study for ext…
View article
Implementation of Cosine Modulated Digital Filter Bank on Processor with ARM Architecture Open
This paper presents a class of multichannel cosine-modulated filter banks (CMFB) of analysis based on the modulation effect with a fast discrete-cosine transformation of the fourth type (DCT-IV), which is calculated using the fast Fourier …
View article
Effects of flux derating methods on torque production of fault‐tolerant polyphase inductiondrives Open
Fault‐tolerant drives have been gaining increasing attention due to the need to enhance the reliability and robustness of electric drive systems, particularly for safety critical applications. However, in postfault control, it is often nec…
View article
Radar Waveform Recognition Using Fourier-Based Synchrosqueezing Transform and CNN Open
In this paper the problem of recognizing radar waveforms is addressed. Waveform classification is needed in spectrum sharing and radar-communications coexistence, cognitive radars and signal intelligence. Different radar waveforms exhibit …
View article
Polyphase tectonic evolution of the Aksu Basin, Isparta Angle (Southern Turkey) Open
The Aksu Basin, within the Isparta Angle, is located to the north of the intersection of the Aegean and Cyprus arcs and has been evolving since the Middle Miocene. Correlation of: (1) kinematic analysis of fault planes that cut the basin f…
View article
Peak-to-Average Power Ratio Reduction Using New Swarm Intelligence Algorithm in OFDM Systems Open
The multicarrier modulation of orthogonal frequency division multiplexing (OFDM) is one of the best choices, which has lead to achieve significant advancement for high data rate transmission in wireless communication systems. However, OFDM…
View article
Tree-seed algorithm in solving real-life optimization problems Open
Tree-seed algorithm (TSA) is a nature-inspired and population-based algorithm for solving continuous optimization problems. The tree-seed relationship is the main motivation of this algorithm. TSA has only two peculiar parameters which are…