Two-dimensional higher order noise spectroscopy up to radio frequencies
Related Articles
- Noise Estimation for Speech Enhancement in Non-Stationary Environments-A New Method. Rao, Ch. V. Rama; Gowthami.; Harsha.; Rajkumar.; Murthy, M. B. Rama; Rao, K. Srinivasa; Sheela, K. Anitha // World Academy of Science, Engineering & Technology;Nov2010, Issue 47, p739
No abstract available.
- Study of surface acoustic wave ID tags with specified correlation properties. Dmitriev, V.; Koigerov, A. // Journal of Communications Technology & Electronics;Oct2011, Vol. 56 Issue 10, p1256
A realization of the method of correlation signal processing for solving problems of collisions in radio frequency identification (RFID) systems using RFID tags is considered. The reflecting structures of RFID tags are fabricated in the form of surface inhomogeneities with typical dimensions of...
- The advantages of using the absolute measurement error when estimating the occupancy of the radio-frequency spectrum. Kizima, S.; Kozmin, V.; Tokarev, A. // Measurement Techniques;Aug2012, Vol. 55 Issue 5, p568
The advantages of limiting the maximum permissible absolute measurement error when estimating the occupancy of the spectrum are analyzed. The need to take into account the statistical relation between the states of the channel in the case of channels with a typical signal duration of greater...
- Adaptive Counting Rule for Cooperative Spectrum Sensing Under Correlated Environments. Pratas, Nuno; Marchetti, Nicola; Prasad, Neeli; Rodrigues, António; Prasad, Ramjee // Wireless Personal Communications;Jul2012, Vol. 64 Issue 1, p93
Spectrum sensing is the cognitive radio mechanism that enables spectrum awareness. It has been shown in the literature that spectrum sensing performance can be greatly improved through the use of cooperative sensing schemes. This paper considers and proposes a data fusion based cooperative...
- A Blind Frequency Offset Estimator for Coherent M-PSK System in Autonomous Radio. Wang, Le; Wang, Zhugang; Xiong, Weiming // Circuits, Systems & Signal Processing;Jun2013, Vol. 32 Issue 3, p1205
This paper presents a novel blind frequency offset estimator for coherent M-PSK systems in an autonomous radio. The proposed estimator is based on the spectrum of the signal's argument. A data removal block is developed. We derive the distribution of the instantaneous phase, which is applied to...
- Optimum Detection Location-Based Cooperative Spectrum Sensing in Cognitive Radio. // Radioengineering;Dec2010, Vol. 19 Issue 4, p552
No abstract available.
- Direct detection and time-locked subsampling applied to pulsed electron paramagnetic resonance imaging. Pursley, Randall H.; Salem, Ghadi; Pohida, Thomas J.; Devasahayam, Nallathamby; Subramanian, Sankaran; Krishna, Murali C. // Review of Scientific Instruments;May2005, Vol. 76 Issue 5, p053709
The application of direct time-locked subsampling (TLSS) to Fourier transform electron paramagnetic resonance (FT-EPR) spectroscopy at radio frequencies (rf) is described. With conventional FT-EPR spectroscopy, the high Larmor frequencies (Lf) often necessitate the use of intermediate frequency...
- State-of-the-Art Spectrum Monitoring Technologies. Samant, Abhay; Taher, Tanim; Wong, Ian // Microwave Journal;2015 Supplement Military Microwaves, p46
The article discusses several advanced analysis techniques to improve spectrum monitor and transform it to a more powerful radio frequency (RF) measurement tool for a highly capable signal detector. It higlights the necessity of spectrum monitoring due to spectrum management trends and spectrum...
- optimizing Digital Receivers for Signal Monitoring Platforms. Henderson, Jim; Kao, Billy // Microwave Journal;2015 Supplement Military Microwaves, p56
The article offers an overview of the trends in application and high level challenges of signal monitoring in system engineers. Information about the critical factors and trade-offs needed to consider for successful deployment, is highlighted. Also emphasized is the high cost and inflexibility...