fun for flyers audio cd

Ngày tải lên: 07/05/2014, 11:39

... the baby brought joy ……… Mary. 5. Write another creative Caption for the Cartoon picture. Suggestion 1 An English Lesson - Fun for Everyone I must write proper sentences. I must take care of ... supermarket. 4. Write another Caption for the Picture. 9 Answers to #4 1 Mother and son • B • “No, I don’t download you. I give birth to you !” • of ; to /for • “Hours at the computer have made ... famous people 3. For each of the following words, give another word that can replace it. A supposed ………… B famous ……………… C commercials …………………… 4. Write another creative caption for the cartoon...

Ngày tải lên: 15/09/2013, 03:10

Ngày tải lên: 29/03/2014, 22:20

Ngày tải lên: 07/05/2014, 11:58

... OFDM-CDMA system block diagram. Fig. 2. (T-F) Time-frequency mapping. Fig. 3. Probability density function for SINR for E s /σ 2 =20 dB for our proposed scheme (solid) and 2D OFDM-CDMA (dotted), for ... comparison for OFDM-CDMA system with 4Tx, 1Rx of the proposed scheme (solid) and 2D OFDM-CDMA (dotted) in a slow fading frequency-selective environment. Fig. 9. BER comparison for OFDM-CDMA system ... and M = 16). Fig. 4. Probability density function for SINR for E s /σ 2 =20 dB for our proposed scheme with different number of users. 8 Here, f K n stands for the K n -th column of the (N f × N f )...

Ngày tải lên: 18/06/2014, 22:20

... OFDM CDMA (sim.) 2D OFDM CDMA (sim.) Proposed OFDM CDMA (theo.) 2D OFDM CDMA (theo.) 0 5 10 15 20 25 30 35 40 45 5 0 0 2 4 6 8 10 12 14 16 18 20 Figure 3 Probability density function for SINR for ... the results shown for SINR pdf in Figure 3 holds for 1 receive antenna, as BER curves for the 2D OFDM-CDMA with 4 users coincides with our proposed system but with 8 users. Therefore, our proposed ... Users Proposed OFDM-CDMA 2D OFDM-CDMA 0 2 46 8 10 12 14 1 6 0 10 20 30 40 50 60 Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed scheme (solid) and 2D OFDM- CDMA (dotted)...

Ngày tải lên: 20/06/2014, 21:20

... 1 N = 3 MMSE DS-CDMA system BER DS-CDMA system Figure 3: BER versus E b /N 0 performances of the MMSE DS- CDMA system ( ···◦···) and the proposed minimum BER DS- CDMA system ( −×−)fordifferent number ... (dB) 10 −20 10 −15 10 −10 10 −5 10 0 BER 0 MMSE DS-CDMA system BER DS-CDMA system Figure 7: BER 0 versus NFR performances of the MMSE DS-CDMA system ( ···◦···) and the proposed minimum BER DS-CDMA system ( −×−), when ... 11 00.20.40.60.81 MM 10 −10 10 −8 10 −6 10 −4 10 −2 10 0 BER MMSE DS-CDMA system DS-CDMA system Figure 6: BER versus MM performances of the MMSE DS-CDMA system ( ···◦···) and the proposed DS-CDMA system (−×−), when l = 0, M =...

Ngày tải lên: 21/06/2014, 22:20

... receivers for cellular CDMA,” IEEE Transactions on Vehicular Technology, vol. 49, no. 4, pp. 1065–1085, 2000. [3] K. Jamal and E. Dahlman, “Multi-stage serial interference can- cellation for DS-CDMA,” ... BSOR-GSIC detec- tor versus the relaxation factor for the case of asynchronous CDMA multipath Rayleigh fading channel. factor of about 1.2 for G = 2and1.4forG = 10. It is easy to note that the proposed ... enough to converge to the decorrela- tor’s detector average BER performance). One can notice also that for μ = 1.8 the average BER performance of the proposed detector exhibits an oscillating behavior...

Ngày tải lên: 22/06/2014, 00:20

... receivers for cellular CDMA,” IEEE Transactions on Vehicular Technology, vol. 49, no. 4, pp. 1065–1085, 2000. [3] K. Jamal and E. Dahlman, “Multi-stage serial interference can- cellation for DS-CDMA,” ... BSOR-GSIC detec- tor versus the relaxation factor for the case of asynchronous CDMA multipath Rayleigh fading channel. factor of about 1.2 for G = 2and1.4forG = 10. It is easy to note that the proposed ... needed for convergence should be less than K so that the computational complexity is in the order of O (K 2 ) rather than O (K 3 ) for the decorrelator detector. This is the situation for the...

Ngày tải lên: 22/06/2014, 06:20

... and Performance Analysis of an Adaptive Receiver for Multicarrier DS-CDMA Huahui Wang, Kai Yen, Kay Wee Ang, and Yong Huat Chew Institute for Infocomm Research (I 2 R) (A ∗ STAR), Agency for Science, ... figure repre- sents the perfor mance of the CPIC receiver, and we can see that the APIC outperforms the CPIC for μ ∈ (0, 0.5). Under the same simulation settings, the BER perfor- mances of the one- ... eight w 0 = 1andμ 1 = 0.3 Performance of CPIC, first stage Performance of CPIC, second stage Figure 7: BER performance of the first and second stage of the APIC as a function of the step-size. with...

Ngày tải lên: 22/06/2014, 19:20

... mismatch for L and τ rms . SNR mismatch The BER curves for a design SNR of 5dB, 10 dB, and 15 dB are shown in Figure 9 with the true SNR performance. The performance of the EM-MAP estimator for high ... considerably the perfor- mance of PIC detector. Therefore, data and channel estima- tion performance is obtained in the initial stage has a sig- nificant relationship with the performance of PIC. ... likelihood functions. An EM approach pro- posed for the general estimation from superimposed signals [6] is applied to the channel estimation for OFDM systems and compared with SAGE version in [7]. For...

Ngày tải lên: 22/06/2014, 19:20

... = 1). cessor platform), the total number of iterations performed for the estimation of the leading and trailing edges “jither” values for each PCM sample must be executed before the ex- piration ... 4163. [2]J.Verbakel,L.vandeKerkhof,M.Maeda,andY.Inazawa, “Super audio CD format,” in Proceedings of the 104th Conven- tion of Audio Engineering Society (AES ’98),Amsterdam,The Netherlands, May ... Nielsen, “Linearity and efficiency performance of switching audio power amplifier output stages—a fundamental analy- sis,” in Proceedings of the 105th Convention of Audio Eng ineer- ing Society (AES...

Ngày tải lên: 22/06/2014, 19:20

... at the time interval n,andT d,i is the mean delay target for packets of class i as measured in frames. Therefore, the binary indicator function I D [n]issetto1ifmeandelayofany class exceeds its ... takes a ran- dom value according to a uniform distribution. It re- tains this value for the duration of interval n. Without any loss of generality, the four aforementioned nonstation- ary Poisson ... arrival process Poisson, uniform range: 0 ≤ λ 1 ≤ 0.4 · η T Class 2 arrival process Poisson, uniform range: 0 ≤ λ 2 ≤ 0.3 · η T Class 3 arrival process Poisson, uniform range: 0 ≤ λ 3 ≤ 0.38 ·...

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 23/06/2014, 01:20

Ngày tải lên: 23/06/2014, 01:20