248 results found.
Year: 2018, Volume: 18, Number: 4
... frequency (RF) chains for was designed for limited feedback frequency selective conventional digital precoding. Each RF chain which systems based on Gram-Schmidt orthogonalization. The includes up converter, digital-to-analog converter, etc can optimal baseband precoders are firstly derived as functions consume about 250 mW [2]. That is a large portion of the ...
Terms matched: 1 - Score: 7 - 1,172k
Year: 2021, Volume: 21, Number: 3
... performance analysis and design of our speech [24] and audio [27] coding and in analog-to-digital quantizer. Moreover, we provide a manner to increase the converters of wireless receivers [28]), but it has not been robustness of the quantizer we propose by involving additional considered in low-resolution cases so far. ...
Terms matched: 1 - Score: 7 - 1,269k
Year: 2020, Volume: 20, Number: 4
... ], image compression [12], OFDM (Orthogonal Frequency Division I. INTRODUCTION Multiplexing) systems [13], multi-agent systems [14], analog-to-digital converters [15] or neural networks [16]. Scalar quantization is a process where real-valued The emphasis in this paper is on logarithmic μ-law samples generated by ...
Terms matched: 1 - Score: 7 - 1,263k
Year: 2021, Volume: 21, Number: 2
... as: control [13-16], medical applications internal and external disturbances. The stability of closed-loop [17], noise tolerance analysis [18], DC-DC converters [19], system was verified using Lyapunov's stability theorem. intelligent transportation systems [20], robotic systems [21, Moreover, the proposed control ...
Terms matched: 1 - Score: 7 - 1,381k
Year: 2010, Volume: 10, Issue: 2
... equivalent wind speed. farms can be a useful option. Today, many wind turbines In this article, the turbulence seen by the rotating wind use individual power converters, whereas central solutions turbine blades are taken into account. like STATCOMs and HVDC transmission are investigated [8]. Pref Blade angle Pmeas In this paper ...
Terms matched: 1 - Score: 6 - 1,113k
Year: 2008, Volume: 8, Issue: 2
... for module (Microcontroller) which is managing a radio measuring the tilt of an object relative to the vertical interface (RF Transceiver), an A/D Converter, a power direction (based on the direction of the gravitational force of management module (MA) and a rechargeable battery the Earth). The measurement ...
Terms matched: 1 - Score: 6 - 831k
Year: 2009, Volume: 9, Issue: 3
... Swarm Optimization (PSO) will be used for the during eclipse and discharge as well, periodically. A machines optimization because of its advantages like fast bidirectional DC-DC converter is used for solar cell convergence and continuity [15]. Maximum Power Tracking (MPT) and boosting the Proper material and machine structure for space amplitude ...
Terms matched: 1 - Score: 6 - 552k
Year: 2010, Volume: 10, Issue: 2
... output, called system one wavelet neural network, as shown in Fig. 3, is used to error e(t), is imported to the state converter. This converter model the policy function learning of the Actor and the value function learning of the Critic simultaneously. Thus, converts the system error to the ...
Terms matched: 1 - Score: 6 - 1,551k
Year: 2012, Volume: 12, Number: 4
... temperature sensor. The -20 -10 0 10 20 30 40 measured data in the Figure 1 have an explicit statistic Temperature (oC) distribution which influenced the continual converter activity. Figure 1. Long-term real PV panel measurements. Digital Object Identifier 10.4316/AECE.2012.04008 53 1582-7445© 2012 AECE Advances in Electrical and Computer Engineering Volume ...
Terms matched: 1 - Score: 6 - 2,127k
Year: 2017, Volume: 17, Number: 3
... . IV. RESULTS AND DISCUSSIONS The system control is implemented on a digital controller consisting in a computer, a data acquisition card and sensor boards. The Analog-Digital Converter converts the outputs of the airgap and current sensors. The computer determines the control outputs according to the control algorithm. Then, the Digital-Analog Converter converts the ...
Terms matched: 1 - Score: 6 - 2,636k