dynamic voltage and frequency scaling

... Transmitter VDD Positive Supply Voltage RS232 Standard for serial communication VGA Video Graphics Array CMOS Complementary metal-oxide Semiconductor DVS Dynamic Voltage Scaling ASIC Aplication-Specific ... thế được gọi là clustered voltage scaling (CVS) trong đó hai điện áp cung cấp có thể được sử dụng trong một khối đơn Hình 2.16trình bày một ví dụ của clustered voltage scaling Các cổng đầu tiên ... TÍNH ĐIỀU KHIỂN TỐI ƯU HÓA CÔNG SUẤT TIÊU THỤ VÀ THỜI GIAN HOẠT ĐỘNG SỬ DỤNG KỸ THUẬT DYNAMIC FREQUENCY SCALING CHO CÁC ỨNG DỤNG DÙNG PIN TRÊN FPGA GVHD: TS VÕ MINH HUÂN SVTH: NGUYỄN VĂN

Ngày tải lên: 27/11/2021, 23:31

... better voltage regulation capabilities ¢   A DVR injects a voltage in series with the system voltage and a D-STATCOM injects a current into the system to correct the voltage sag, swell and interruption ... power compensation and voltage regulation of DVR is better than D-STATCOM Trang 8D YNAMIC VOLTAGE RESTORER (DVR) ¢   Dynamic Voltage Restorer (DVR) is the most efficient and effective modern ... mouse, system crashes and equipment failure etc Trang 6V OLTAGE S AGDefinition: A decrease of the normal voltage level between 10 and 90% of the nominal rms voltage at the power frequency, for durations

Ngày tải lên: 15/08/2022, 20:53

... introduced by Rosenberg and colleagues [3] and applied by Farmer and colleagues [4] who used coherence analysis to identify both a significant low frequency and beta-band association between ... peak value and its frequency or the frequency range of significant coherence In Figure 1 there is significant coherence between 0.5 and 3.5 Hz and the peak value of coherence is 0.46 and occurs ... (t) and y2 (t) result from passing the signals x1 (t) and x2 (t) respectively through a tunable narrowband bandpass filter with transfer function denoted by H (f): where and ∆ are the center frequency

Ngày tải lên: 19/06/2014, 10:20

... (4) Ther I(n) and r Q(n) in (4) are the sampled real and imaginary outputs of the convolution between s(t) and the baseband Trang 3channel impulse response, respectively,ξ I(n) and ξ Q(n) arethe ... periodical x I(n) and x Q(n) at the receiver In the CFO and I/Q mismatch estimation algorithms to be presented, only the periodicity of the baseband signal is required and exploited, and the detailed ... system with random CFO in [0, 1] and random I/Q mismatch which is uniformly distributed in [0, 1] dB for gain mismatch and [0, 4◦] for phase mismatch System performance versus SNR for coded and uncoded

Ngày tải lên: 21/06/2014, 20:20

... broadcast (DAB), and wireless local area network (WLAN) standards (IEEE 802.11 and 802.16) However, multicarrier systems are very sensitive to phase noise (PHN) and carrier frequency offset (CFO) ... represents both the phase noise (PHN) and the carrier frequency offset (CFO) and can be written as follows: where θ(t) and Δ f correspond, respectively, to the PHN and the CFO The PHN is modeled as ... vectors with meanμ and covariance matrixΣ Inand 0n × m, are respectively, the lower case bold letters are used for column vectors and capital bold letters for matrices; (·)∗, (·)T and (·)H denote,

Ngày tải lên: 21/06/2014, 22:20

... layer standard That is, the mentioned two phys-ical layer standards have the same system structures and frame formats However IEEE802.11p uses only 10 MHz frequency bandwidth and the operating frequency ... the single carrier systems, the tolerable frequency offset becomes very small and frequency offset due to mismatch of the transmitter and receiver carrier frequency is one of the biggest problems ... the other hand, when there is relative motion between the transmitter and receiver, a doppler shift of RF carrier results and introduces a frequency error Also, there can be residual frequency

Ngày tải lên: 21/06/2014, 23:20

... methods for frequency and DOA estimation of the first signal versus SNR and the corresponding RCRB in both spatially and temporally white noise with fixed M = 12, N = 100, and K = 4. (a) Frequency ... methods for frequency and DOA estimation of the first signal versus SNR and the corresponding RCRB in both spatially and temporally colored noise with fixed M = 12, N = 100, and K = 4. (a) Frequency ... for frequency and DOA estimation of the first signal versus angle separation with fixed SNRs = 15 dB, M = 8, and N = 100. (a) Frequency estimation. (b) DOA estimation. 0.10.080.060.040.020 Frequency

Ngày tải lên: 22/06/2014, 01:20

... Designations Control natural rubber latex and styrene butadiene rubber latex were designated as NR and SBR, respectively Indi-vidual NR and SBR gels were expressed as NSaand SBSa, respectively, where ‘a’ ... acquisition and analysis The average of three tests is reported here The experimental error was within ±1% for tensile strength and modulus, and within ±3% for elongation at break values Dynamic ... Fig.2a–b Here, NS3and SBS3gels have been shown as representative systems The particle diameters in Fig 1 Particle size distribution by DLS method for a SBR and SBS gels and b NR and NS gels Table

Ngày tải lên: 22/06/2014, 01:20

... boundary andis the estimate of the frequency offset If, on the other hand, the actual frequency offset is more than a subcarrier spacing, say = m + δ with m ∈Z and|δ| < 1, then the frequency ... analyzed and its mean values at the preamble boundary and in its neighborhood are evaluated, for AWGN and for frequency selective channels with specified mean power profile of the channel taps, and ... analyzed and its mean values at the symbol boundary and in its neighborhood are evaluated for AWGN and frequency selective channels with specified mean power profile of the channel taps, and the

Ngày tải lên: 22/06/2014, 22:20

... time- and frequency-selective Rayleigh fading channel with f D = 0.01, T m =2/64, N s =64,G ≥2 Figure 2 Note that the OFDM system withN s =64, a carrier frequency of 5 GHz, a bandwidth of 1 MHz, and ... −→ˆc). (40) Direct application of (39) and (40), however, does not yield a tight bound of the bit error performance for TD-MSDD and FD-TD-MSDD over time- and frequency-selective Rayleigh fading ... is zero for k < − G and k ≥ N, the total transmitted baseband sequence Trang 3is written asx(k) = ∞  i =−∞ x g i k − i N s+G 2.2 Channel model and received baseband sequence We assume

Ngày tải lên: 23/06/2014, 01:20

... Transfer Functions and Frequency Response
 Robert Stengel, Aircraft Flight Dynamics
 MAE 331, 2012" •  Frequency domain view of initial condition response" •  Response of dynamic systems ... ( ) • Substitute: s = j ω ! • Frequency response is a complex function of input frequency, ω " –  Real and imaginary parts, or" –  ** Amplitude ratio and phase angle ** ! = a( ω )+ ... Function" Short-Period Frequency Response (s = j  ) Expressed as Amplitude Ratio and Phase Angle" Pitch-rate frequency response" Angle-of-attack frequency response" Δq(

Ngày tải lên: 04/07/2014, 19:27

... done by Graham and colleagues [3]; the internet; books and technical reports; and contact with authors, librarians, and content experts Searching and compilation of the list of terms and collected ... could make our literature more accessible and usable (and the domain of KT stronger and more effective) include the following: Table 4: KT terms and frequency of use by authors of KT articles ... SES, DAD and RBH provided training assistance in implementing the reading/categorizing guidelines and inter-rater reliability checks KAM, CL, and NLW planned and carried out the analyses and interpretation

Ngày tải lên: 11/08/2014, 05:21

... that showed identical genomic structure and phylogenetic trees were constructed and compared with previously published sequences Genuine subclade F1 sequences and any other sequences that exhibited ... characterized worldwide [13] Together, CRFs and URFs account for 18% of incident infections in the global HIV-1 pandemic [12] HIV-1 subtypes, CRFs and URFs show considerably different patterns ... CD4-positive T cells, and viral load were obtained from medical records and shown in Table 1 No evidence of direct epidemiological linkage could be established Amplification and sequencing of HIV-1

Ngày tải lên: 12/08/2014, 04:20

... on frequency effect, treatment group effect and the interactive effects. * p < 0.05 between control and lipopolysaccharide (LPS) at each frequency; † p < 0.05 between groups across frequency. ... Force-frequency relationship and frequency-dependent acceleration of relaxation In control cardiomyocytes, increasing rate of pacing from 0.5 to 2 Hz resulted in a positive cell shortening-frequency ... treatment group effect and the interactive effects. * p < 0.05 between control and lipopolysaccharide (LPS) at each frequency † p < 0.05 between groups across frequency. Overall, LPS

Ngày tải lên: 13/08/2014, 15:21

... of parasitic dynamics (in the form of the actu-ator and sensor dynamics) in series with the plant and switching imperfections of the relay result in the finite frequency of switching and finite amplitude ... frequency ω ≥ ω ∗: W l (s) ≈ b m a n s n−m Lemma 2 (monotonicity of high-frequency segment of the LPRS). If ReW l (jω) and ImW l (jω) are monotone functions of frequency ω and |ReW l (jω) | and ... real SM and the ideal SM is attributed to the presence of parasitic dynamics in the former then the parasitic dynamics must affect the averaged mo-tions Yet, the effect of the parasitic dynamics

Ngày tải lên: 01/07/2015, 09:37

... estimation and modular dynamic modeling, summarize the empirical methods for the hydrodynamic coefficients and added mass estimation, and find the relationship between hydrodynamic coefficients and ... reviews The estimation of added mass and the hydrodynamic coefficients with empirical methods, and the relationship between hydrodynamic coefficients and hydrodynamic derivatives are included in ... are summarized and some directions of further work are suggested Trang 31Chapter 2 AUV Dynamic Model and Parameters Estimation The dynamic model of AUV and the estimation of hydrodynamic parameters

Ngày tải lên: 10/09/2015, 09:21

... algorithm) and setup failures (the fraction of requests that fail during setup), and bandwidth and wavelength update frequency as performance metrics. We note that both routing failures and setup failures ... probability against bandwidth threshold for K=1. Graph of Bandwidth Update Frequency against Bandwidth Threshold for K=1 MHMPP(5) MHMPP(15) MHMPP(30) MPP(5) MPP(15) MPP(30) Bandwidth Update Frequency 2000 1500 1000 500 0 10 15 20 25 Bandwidth ... blocking probability 63 due to routing failures and setup failures, bandwidth update frequency and wavelength update frequency. 2. Algorithms MHMPP and MPP perform very close to algorithm MH-A which uses

Ngày tải lên: 04/10/2015, 17:06

... design and control, viz steady-state and dynamic modeling, design and control objectives, control structure design, controllability and control loop interactions, tuning of controllers, and various ... Lundstrom and Skogestad (1995) explained that a one-feed two-product distillation column has five manipulated variables (flow of reflux, distillates and bottoms, and duty of reboiler and condenser) and ... analysis. For overhead composition, A and B are 65 and -23120 respectively; and, for bottoms composition, A and B are -65 and 22060 respectively. During dynamics, A is kept unchanged while B is adjusted

Ngày tải lên: 04/10/2015, 17:06

... EFFORT AND EXPENSE HAVE GONE INTO THE DEVELOPMENT AND DOCUMENTATION OF SAP2000. THE PROGRAM HAS BEEN THOROUGHLY TESTED AND USED. IN USING THE PROGRAM, HOWEVER, THE USER ACCEPTS AND UNDERSTANDS ... spacing in the X, Y and Z direction. Set the number of grid spaces to 10 for the X direction, and to 1 for the Y and Z directions. Type 6 ft into the X direction spacing edit box and press the Enter ... Subdivide command to bring up the form in Figure 13. Select the Auto Subdivide Frame option and check the at Intermediate Joints and at Intersection with Other Frames check boxes, and click OK....

Ngày tải lên: 06/09/2012, 15:56