Results 31 to 40 of about 367 (152)
Design and implementation of multi‐channel moving target radar signal simulator
The Journal of Engineering, Volume 2019, Issue 19, Page 6081-6084, October 2019., 2019 The development of radar signal simulator in specific environment can effectively accelerate the debugging process of radar system and reduce the consumption of human, material, and financial resources. This study analyses the mathematical model of the IF radar signal in aerial distributed semi‐active radar system and deduces the parameters of radar ...
Yunneng Yuan +4 more
wiley +1 more source
A High Frequency Resolution Digitally Controlled Oscillator With Differential Tapped Inductor [PDF]
, 2015 a novel architecture of high frequency resolution LC-tank based digitally controlled oscillator (DCO) is presented in this paper. The proposed architecture utilizes a differential tapped inductor and a capacitor array within the taps for fine frequency ...
Junhua Liu +9 more
core +1 more source
Journal of Low Power Electronics and ApplicationsThis paper presents a secure 2.4 GHz frequency shift keying (FSK) transmitter front-end with minimal overhead on the data stream using analog obfuscation techniques applied to the modulated waveform.
Yu Qi +2 more
doaj +1 more source
The Journal of Engineering, Volume 2019, Issue 17, Page 4415-4419, June 2019., 2019 The condition monitoring of the rotor bar in the squirrel cage induction motors (SCIMs) is performed with various contact methods and non‐contact methods. The various contact methods are zero sequence current spectrum measurement, non‐uniform time resampling of current, motor current spectrum analysis, vibration measurement, etc.
Madhusudhana Reddy Barusu +2 more
wiley +1 more source
Multiphase Digitally Controlled Oscillator for Future 5G Phased Arrays in 90 nm CMOS [PDF]
, 2017 This paper reports a low noise Digitally Controlled Oscillator (DCO) with multiphase outputs, suitable for next generation phased arrays. The DCO core is implemented using an 8 stage Rotary Traveling Wave Oscillator (RTWO) topology.
Vigilante, Marco +2 more
core +1 more source
A 3.22–5.45 GHz and 199 dBc/Hz FoMT CMOS Complementary Class‐C DCO
Wireless Communications and Mobile Computing, Volume 2018, Issue 1, 2018., 2018 This paper implements a complementary Class‐C digitally controlled oscillator (DCO) with differential transistor pairs. The transistors are dynamically biased by feedback loops separately benefiting the robust oscillation start‐up with low power consumption.
Lei Ma +5 more
wiley +1 more source
A 5.9 GHz LC-based digitally controlled oscillator with high frequency resolution using novel varactor pairs [PDF]
, 2009 This paper reports an LC-based digitally controlled oscillator (DCO) using novel varactor pairs. Proposed DCO has high frequency resolution with low phase noise in 5.9 GHz.
Hong-Joo Song +7 more
core +1 more source
A Low Power All-Digital PLL With −40dBc In-Band Fractional Spur Suppression for NB-IoT Applications
IEEE Access, 2019 This paper proposes a low-power fractional-N all-digital PLL (ADPLL) for the narrow-band Internet-of-Things applications. Multi-step lock controlling and oscillator tuning word coarse prediction algorithms help to accelerate the locking process to less ...
Na Yan +6 more
doaj +1 more source
Past Results, Present Trends, and Future Challenges in Intrabody Communication
Wireless Communications and Mobile Computing, Volume 2018, Issue 1, 2018., 2018 Intrabody communication (IBC) is a wireless communication technology using the human body to develop body area networks (BANs) for remote and ubiquitous monitoring. IBC uses living tissues as a transmission medium, achieving power‐saving and miniaturized transceivers, making communications more robust against external interference and attacks on the ...
David Naranjo-Hernández +5 more
wiley +1 more source
Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator [PDF]
, 2021 A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning ...
Tang, Zhong +4 more
core