Abstract: The Dual-Functional Radar-Communication (DFRC) system can effectively utilize hardware and spectrum resources, which is an effective way to solve the shortage of the wireless spectrum resource. In this paper, for the scenario of simultaneous multi-ta...
Abstract: As an increasing number of high-frequency circuits are integrated into chips, high-frequency Integrated Circuit ElectroMagnetic Compatibility (IC-EMC) problem of chips is becoming increasingly prominent. The IC-Stripline cell is an important device f...
Abstract: An adaptive Rao detection method for radar targets is proposed based on the priori knowledge of sea clutter to improve the radar’s target detection performance in non-Gaussian and nonhomogeneous sea clutter. First, the texture component and the speck...
Abstract: This study addresses the joint design problem of radar transmit waveform, receive filter and Reconfigurable Intelligent Surface (RIS) reflecting coefficients with an aim to enhance the target detection performance of a RIS-aided radar system. With re...
Abstract: This paper employs the difference coarray structures of transmit/receive EMVS to enhance the multidimensional parameter estimation performance in bistatic EMVS-MIMO radar. The difference coarrays of transmit/receive EMVS are built through the high-or...
Abstract: The deficiencies in the commonly used passive localization technologies using multiple observers are the failure of the emitter with a very low sidelobe based on the Time Difference of Arrival (TDOA)/ Frequency Difference of Arrival (FDOA) and the hi...
Abstract: Interrupted Sampling Repeater Jamming (ISRJ) has attracted increasing attention as a new type of active jamming. Polarization is an important parameter for characterizing an electromagnetic wave vector and can substantially improve radar anti-jamming...
Abstract: To address the problem of dynamic Radar Cross Section (RCS) estimation of a wind turbine when assessing the wind farm impact on radars and other equipment, a dynamic RCS statistical model of wind turbines driven by knowledge and data is proposed. Fir...
Abstract: Interrupted Sampling Repeater Jamming (ISRJ) is an advanced active coherent jamming technology, which has great influence on the detection performance of radar, and the existing anti-ISRJ methods need to solve complex waveform optimization problems a...
Abstract: Interrupted-Sampling Repeater Jamming (ISRJ) is an advanced radar interference, which is based on the under-sampling theory. The kind of this interference may introduce a train of false targets into the High-Resolution Range Profile (HRRP), and creat...
Abstract: Multi-Function Radio Frequency (MFRF) systems based on Multiple-Input-Multiple-Output (MIMO) array can synthesize different signals that can realize multiple functions at different angles via waveform optimization. However, due to the angle uncertain...
Abstract: A fast power spectrum fitting method based on Orthogonal Basis Searching (OBS) is proposed to meet the requirements of Gaussian pulse combination waveform design for Carrier free Ultra Wide-Band (UWB) fuze. Multiple candidate Gaussian pulse functions...
Abstract: The demand for real-time communication of underwater information is rising by the day. Traditional communication technologies, such as underwater acoustic communication and optical communication, have inherent drawbacks in terms of transmission secur...
Abstract: In order to analyze the coupling effect between periodic structures such as Energy Selection Structures (ESS) and antennas when ESS are used as radomes, and improve analysis efficiency, an analysis method based on Poynting vector methods is proposed ...
Abstract: As the secure core of chips and systems, Physical Unclonable Function(PUF) is widely applied to key management, device authentication, and fingerprint identification fields. Among all the existing security solutions, PUF is one of the most effective ...
Abstract: As the feature size of integrated circuits scales down, the problem of the Single Event Transients (SET) in CMOS integrated circuits is becoming more and more serious. In order to improve the hardening effect of the Low-DropOut regulators (LDO), the ...
Abstract: In this paper, one design method of decoupling wideband antenna array based on multi-route decoupling network is proposed. At the beginning, the decoupling and matching conditions of the common multi-route decoupling network model are derived by empl...
Abstract: A 16 Gbit/s Serializer/Deserializer interface(SerDes) chip which is composed of 4 lanes and 2 Phase-Locked Loop(PLLs), is designed in bulk CMOS technology. A negative impedance structure Continuous Time Linear Equalizer(CTLE) is used in the Analog Fr...
Abstract: In order to cope with broadband blocking interference, the integrated communication and interference cancellation system usually applies the interference cancellation technology based on subband division to improve the broadband interference suppress...
Abstract: Automatic Modulation Classification (AMC) is essential for spectrum monitoring and cognitive radio. The Chirp Spread Spectrum (CSS) communication scheme could be developed remarkably due to its good anti-interference ability and robustness. However, ...
Abstract: In order to improve the sum rate in the satellite communication system, power allocation in downlink of Asymmetric Paired Carrier Multiple Access (APCMA) system is investigated. Under the constraint of total power and the minimum quality of service f...
Abstract: Waveform design is one of the critical technologies for achieving integrated sensing and communication, which is beneficial for alleviating the pressure of spectrum competition and saving resources. In this paper, a velocity measurement algorithm in ...
Abstract: In the rapidly changing jamming environment, the transmission reliability of wireless communication systems can be significantly impacted. To enhance the transmission reliability of wireless communication systems under such fast-changing jamming cond...
Abstract: Considering the differential channels sensed by nodes and difficult network construction due to strong electromagnetic interference in wireless ad hoc networks, a multi-channel network construction algorithm based on hierarchical virtual clustering i...
Abstract: The aerial targets are usually far from the imaging system, making the imaged results have weak radiation intensity and limited imaging area. Especially when aerial target groups are distributed in a dense form, make further the imaged results have o...
Abstract: The Inter Satellite Links (ISL) is the key for China's Beidou-3 to overcome regional station deployment and achieve high-precision services. Its antenna Phase Center Offsets (PCO) is calibrated on the ground based on satellite mass and designed attit...
Abstract: The electromagnetic space confrontation in electronic warfare is generally modeled as a zero-sum game. However, as the battlefield environment evolves, both sides of the game must adapt to new and unknown tasks, rendering manually designed game rules...
Abstract: In recent years, low-altitude slow and small targets, such as Unmanned Aerial Vehicles (UAVs), have posed a great challenge to the management of existing low-altitude airspace. These targets have low echo Signal Noise Ratio (SNR) due to their low fli...
Abstract: In order to improve the reliability and anti-jamming ability of information transmission for the Frequency-Hopping (FH) communication system, a Polar coding construction optimization method is proposed to adapt to the strong-jamming environment, whic...
Abstract: Focusing on the issue of multi-view High-Resolution Range Profile (HRRP) target recognition in an open set, a novel method based on Joint Dynamic Sparse Representation (JDSR) is presented. First, JDSR is used to solve the reconstruction error of mult...
Abstract: In dynamic collaborative networking systems such as radar and vehicular network systems, high precision time synchronization is a basic condition for the normal operation of these systems. However, in dynamic network systems and low interception scen...
Abstract: Global Navigation Satellite System(GNSS) time and frequency transfer has become the most widely used time and frequency transfer technique due to its fine uncertainty level and ease of use. Time and frequency transfer calibration is the key and neces...
Abstract: The railway time synchronization network provides the standard time quantity value for various railway systems. The accuracy and stability of the time quantity value have an important impact on the safe and the efficient operation of the railway syst...
Abstract: To solve the problem of distinguishing highly-concealed synchronous spoofing signals from authentic signals inside a GPS receiver, a spoofing identification method based on clustering analysis of multiple characteristics is proposed. The procedure of...
Abstract: In order to solve the problem that the Global Navigation Satellite System (GNSS) signal is frequently unlocked or rejected in complex urban environment, which has great influence on the navigation accuracy and robustness of GNSS/ Strapdown Inertial N...
Abstract: This paper investigates the construction of dynamic electromagnetic spectrum maps using a limited amount of monitored sample data. First, the time-varying spectrum maps of the dynamic electromagnetic environment are modeled as three-dimensional spect...
Abstract: Considering the monitoring of space targets in high orbit, the waveform design of the distributed coherent radar system is studied. The core goal is to take into account the large time-bandwidth of the signal under the premise of ensuring good wavefo...
Abstract: Ultra-WideBand (UWB) technology is widely used for indoor positioning due to its advantages of large bandwidth, low power, and high precision. However, since UWB is essentially a communication signal system and it is difficult to form a network in co...
Abstract: Passive sonar detects targets by receiving radiated noise signals emitted from the targets. Underwater acoustic target recognition is an important research area in the underwater acoustic engineering field to identify individual targets by analyzing ...