Conference Session

ECE Poster Session

Collection

2006 Annual Conference & Exposition

Authors

S. Hossein Mousavinezhad, Western Michigan University

Tagged Divisions

Electrical and Computer

finite line of charge of length and linear charge density of tL(C/m2) along the z-axis. For a differential element of charge dQ = tLdz, one can computethe electric force exerted on the charge q located at a distance t (cylindrical coordinatest,h,z are used here) from the line using Coulomb’s law asdFy = q dQ cos c/(4rg0R2) (g0 = 8.854 x 10-12 F/m is the free space permittivity) Page 11.523.5where c is the angle from the y-axis and R2 = t2 + z2. With cos c = t/R and integratingto get total force (also utilizing the symmetry of the problem)Fy = 2 Ð q tL t d z /(4rg0R3) where integration is from z = 0 to z = /2.Fy = q tL t I /(2rg0) with

Conference Session

Digital Communications Systems

Collection

2006 Annual Conference & Exposition

Authors

Dennis Silage, Temple University

Tagged Divisions

Electrical and Computer

binary data and the energy per bit are equal(P0 = P1 = 0.5 and Eb0 = Eb1 = Eb), is presented in the course lecture5. Page 11.1206.5  2 Eb  Pb = Q    N  o The function Q is the complementary error function and No is the power spectral densityof the AWGN. The optimal threshold (Token 3) for the correlation receiver is set as τopt =0. SystemVue can calculate the statistics of the PCM binary data for the audio .wav file Figure 4. Autocorrelation of the BPSK

Conference Session

ECE Laboratory Design

Collection

2006 Annual Conference & Exposition

Authors

Robert Throne, Rose-Hulman Institute of Technology

Tagged Divisions

Electrical and Computer

Ç q$1 Ç 0 1 Ç q1 Ç 0 È q$ Ù ? È /y 2 - /2|yn Ú ÈÉ q2 ÙÚ ÈÉ K yn2 ÙÚ Ù F É 2Ú É nClearly all of the parameters in the state variable model can be obtained from the transferfunction for this system. The mathematical models are actually stored as state variable modelsand converted to transfer functions when needed. In the initial two or three labs the studentsmust construct models for at least two different systems. These models will be used throughoutthe course. The students are also given loose guidelines in terms of how to

Conference Session

Digital Communications Systems

Collection

2006 Annual Conference & Exposition

Authors

Bruce Dunne, Grand Valley State University

Tagged Divisions

Electrical and Computer

communications instruction. Recentexamples include the implementation PCM speech processing10, Frequency Shift Keying (FSK)and Differential Phase Shift Keying (DPSK)13 and as a general purpose communications lab toolthat includes a digital modulator for Binary Phase Shift Keying (BPSK), Quaternary Phase ShiftKeying (QPSK), 8-PSK, 16-PSK, 8-level Quaternary Amplitude Modulation (8-QAM), and 16-QAM schemes14. With this last example, users may choose pulse shape, baseband or carriertransmission (0 to 24 kHz) and impairment (I/Q imbalance/skew and noise/interferer). Containedwithin this paper are several digital communications experiments that augment the DSP basedcommunications features mentioned above.DSP Starter Kit FeaturesThe 6713 DSK is a turnkey DSP

Conference Session

Digital Communications Systems

Collection

2006 Annual Conference & Exposition

Authors

Cajetan Akujuobi, Prairie View A&M University; Matthew Sadiku, Prairie View A&M University; Alam Shumon, Prairie View A&M University; Veeramuthu Rajaravivarma, Central Connecticut State University

Tagged Divisions

Electrical and Computer

T o ta l H a rm o n i c R e p e a ti n g M ea n Va lue1 Di sto rsi o n S e q u e n ce V e ri fi e r fo r In p u t/O u tp u t S ta i r