RESEARCH, DESIGN AND FABRICATION OF DIGITAL INFORMATION TRANSIMITER WORKING IN THE VHF BAND

... is a binary signal having the same polarity as the input signal from the comparator at the time of the clock signal. The digital output signal is also the digital output of the encoder and is ... switching the other way (from the 30 percent pattern to the 0 percent pattern), the amplitude at the beginning of discharging is, at the first moment of swit...

Ngày tải lên: 27/05/2014, 20:57

... technique in the microwave technology. The design and simulink of the basic power moduls and Wilkinson bridge were performed using the ADS soflware. We have researched, designed and fabricated the ... simulink model. Afterthat we have measured the characteristics of the power combiner using the Winkinson bridge. The input amplitude from the generator was set...

Ngày tải lên: 22/03/2014, 11:20

... including glucosamine and chondroitin, one month prior to study and during the study, other than multivitamin and mineral supplements containing vitamins and minerals as the sole medicinal ingredients ... heat/cold therapy, joint protection and physiotherapy/occupational therapy agrees to continue these therapies as normal avoiding changes in frequency or intensity and to...

Ngày tải lên: 26/10/2012, 09:48

... diversity during seed production. Therefore, the recommended minimum population size depends on the initial diversity in the variety. The following are guidelines based on the origin of the variety: ... shattering seed. The plant roots are placed off of the fabric to avoid soil contamination in the gathered seed. The plants are harvested with the roots in...

Ngày tải lên: 21/02/2014, 21:20

... from the passband to the stopband, the window should have a small mainlobe width. On the other hand, to reduce the passband and stopband ripples, the area under 208 DESIGN AND IMPLEMENTATION OF ... coefficients of the desired filter exhibits an oscillatory behavior (or ripples) in its magnitude response. As the length of the filter is increased, the number o...

Ngày tải lên: 23/10/2013, 22:15

... is a mature and well-developed field, it is not surprising that we begin the design of digital IIR filters in the analog domain and then convert the design into the digital domain. The problem ... V m is the center frequency defined in (6.2.15) and BW is the bandwidth defined in (6.2.16). 254 DESIGN AND IMPLEMENTATION OF IIR FILTERS 6.3 Design of...

Ngày tải lên: 28/10/2013, 05:15

... LFS recovery insures that the indexes point at the newest copy of the data in the log. Collecting data in the file cache and writing it to disk in large writes is similar to the concept of group commit in database ... Besides writing all changes in an append-only fashion, these systems maintain indexing information much like the Sprite LFS inode map and inodes...

Ngày tải lên: 12/09/2012, 15:05

... components such as ink chamber, channel and ink reservoir. In the case of inkjet heads, print resolution is one of the primary measures of product performance. When printing with inkjet heads, smaller, ... print head, one of the most important elements in an ink-jet printing system, is a combination of microfluidics and microfabrication (MEMS) and is used to eje...

Ngày tải lên: 10/04/2013, 13:48

... pre-heat the fuel cell during warm-up. In addition to providing a heat source, the post-stack combustor also ensures the virtual elimination of all the residual hydrogen and CO remaining in the off-gases ... all of the fuel which enters the stack reacts with the cathode gas. In other words, the anode off-gas contains a certain amount of residual fuel. The...

Ngày tải lên: 05/09/2013, 16:10

... requirements of the degree of Bachelor of Engineering (Honours) in the division of Electrical Engineering, I present the following thesis entitled Design and Implementation of a Three-Phase Induction ... calculate the speed and position of the rotor. The encoder pulses and the measured currents drawn by the induction motor form the feedback portion of...

Ngày tải lên: 27/10/2013, 23:15