the friends of rf high speed digital and microwave engineers

... and circuit length One of the most difficult aspects of high- speed design is the fact that there are a large number codependent variables that affect the outcome of a digital design Some of the ... order to ensure the integrity of the data Figure 1.1: Digital waveform In order to maximize the speed of operation of a digital system, the timing uncertainty of a transition through the threshold ... variables are controllable and some force the designer to live with the random variation One of the difficulties in high- speed design is how to handle the many variables, whether they are controllable...

Ngày tải lên: 05/04/2014, 23:04

... unheard -of sale, yet all the auctioneer got was guineas, much of the work of the sale falling on the owner, and the former sold the stock with a sand-glass After the sale at Ketton, Brampton, the ... it, the clergy feared the commutation of tithe which the board advocated, the legal profession was against the Enclosure Act, the landed interest thought the surveys were intended for purposes of ... several of the noblemen and gentlemen of the greatest properties in the British Isles, all of them catching and cultivating an agricultural spirit, and going forth to spend in the employment of labourers,...

Ngày tải lên: 29/06/2014, 15:20

... distance of 50 mm underneath the dishes and the particles passed through 50 mm of helium and the thin mylar bottom of the culture dishes before entering the cells through the bottom of the dishes ... The Netherlands Authors’ contributions NAPF performed the clonogenic survival assays, foci studies and coordinated the study NAPF and GWB drafted the research, performed the dosimetry of the alpha ... Page of that many of these aberrations are either repaired or not cause complete impairment of the cell reproductive capacity The number of fragments is higher than that of colour junctions as the...

Ngày tải lên: 09/08/2014, 09:20

... RTT of the new path and the bandwidth of the new wireless link Hence it knows the BDP of the new path when the wireless link is the bottleneck But mobile host normally acts as TCP receiver and ... segment As for TCP Bandwidth Option, it is used by mobile host to notify the server about the completion of handoff and the bandwidth of new wireless link The unit of bandwidth in TCP Bandwidth Option ... drive the network to operate around the knee and distribute bandwidth fairly among competing flows, irrespective of the number of competing flows and the values of their RTPD? How to solve the challenges...

Ngày tải lên: 14/09/2015, 08:44

... for the microstrip-fed patch antenna: (a) on the surfaces of both the feeding line and the patch; (b) on the surface of the feeding line (across the patch) 143 Fig 5.6 Geometry of ... from the MRL and RSPL Labs at National University of Singapore (NUS) and the CEE division at the Institute of High Performance Computing (IHPC) The scholarship awarded by IHPC of A*STAR and NUS ... FDTD method and the macromodeling technique will be employed to perform their electrical performance analysis The integration of these two techniques takes advantage of the accuracy of the full-wave...

Ngày tải lên: 16/09/2015, 15:55

... positioned epidermis of the skin, and (3) the neural crest cells, which generate the peripheral neurons and glia, the pigment cells of the skin, and several other cell types (Gilbert, 2003) The neural ... connected with the notochord beneath them and form a hinge Shortly thereafter, two other hinge regions form near the connection of the neural plate with the lateral ectoderm The cells of these two ... a neural tube (Smith and Schoenwolf, 1989) The bending of the neural plate involves the formation of hinge regions The cells at the midline of the neural plate are called the medial hinge point...

Ngày tải lên: 30/09/2015, 06:36

... DESIGN AND IMPLEMENTATION OF A HIGH SPEED AND LOW POWER FLASH ADC WITH FULLY DYNAMIC COMPARATORS LI TI A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ... is latch offset variation referred back to the input of first stage and An is the gain of the nth preamplifier For the sake of power consumption, there should not be too many stages of preamplifiers ... R1 may reduce the speed achievable and the effectiveness of averaging In the end, the number of stages selected is a result of meticulous pondering over these complicated tradeoffs that involve...

Ngày tải lên: 04/10/2015, 10:26

... extend the range of the WLAN • Interference with other WLANs can be a big problem 19 IEEE 802.11r • Amount of time required by 802.11 devices to associate and disassociate – It is in the order of ... changes only to the physical layer (PHY layer) – Of the original 802.11 and 802.11b standard • 802.11g preserves the features of 802.11b but increases the data transfer rates to those of 802.11a • ... Same mode used by 802.11b and must support the rates of 1, 2, 5.5, and 11 Mbps – Same OFDM mode used by 802.11a but in the same frequency band used by 802.11b • Number of channels available with...

Ngày tải lên: 13/09/2012, 10:52

... idea of the high prevalence of edema in the more advanced grades of cellulite The lack of specific clinical and laboratory studies hinders research on cyclic edema and the dissemination of information ... legs at the end of the day Participants were asked to weigh themselves using the same weighing scales at around a.m and p.m for three consecutive days They were requested to use the same clothes ... patients and the other (28%) required other types of treatments Aminaphtone was the first drug of choice but when treatment failed ginkgo biloba was prescribed For the patients treated with the ginkgo...

Ngày tải lên: 25/10/2012, 10:51

... At the same time, Material and methods An extensive review of effective pharmacotherapies is beyond the scope of this paper which will perform a selective review the psychotropic medications often ... across other populations [38,39] The effects of lamotrigine and topiramate on serum cholesterol and triglyceride levels have been reported in small studies and case reports [16,38] Neither of these ... phenobarbital, and lamotrigine The triad of hypersensitivity includes fever, rash and internal organ involvement with onset of symptoms within to weeks of exposure The frequency of the syndrome...

Ngày tải lên: 25/10/2012, 10:51

... improve the quality of life of the poor and rural people adult education programs should include as one of its components the observation and imitation of the artisans and other skilled persons in the ... maintains the hegemony and the gap between the poor and the rich, the major and minority groups In order to redress poverty the adult education program needs to be aware of the social functions of language ... for the betterment of their conditions It could mobilize the so called minorities to oppose their status and challenge the hegemony of the majority communities in Botswana 31 In most parts of the...

Ngày tải lên: 05/11/2012, 16:27

... transaction to the acquire and is reimbursed the amount of the sales ticket by the acquirer (4) - The acquirer then summits the ticket to the issuer for payment, via the ICO interchange and settlement ... maintaining the flow of funds and information between issuing and acquiring members The exchange of financial information is called clearing The exchange of the actual funds for the transaction and the ... and application… .Speed of card growth has always been higher than average speed of card growth in the card market of Vietnam Especially, in 2009, the speed of Agribank card growth was times higher...

Ngày tải lên: 03/04/2013, 12:13

... “bộ” “trọn gói” theo nguyên tắc giá gói nhỏ tổng số tiền mua hàng theo phương thức riêng rẽ  Định giá theo nguyên tắc địa lý: cách thức mà doanhnghiệp định giá bán sản phẩm theo nguyên tắc địa ... sản phẩm Bề rộng chủng loại sản phẩm phân giải số lượng mặt hàng thành phần theo tiêu thức định ví dụ theo kích cỡ, theo công suất… Bề rộng chủng loại sản phẩm mục tiêu công ty định phần Những ... trường theo giác độ khác Theo quan điểm Marketing thị trường bao gồm tất khách hàng tiềm ẩn có nhu cầu mong muốn cụ thể sẵn sàng có khả tham gia vào trao đổi để thoả mãn nhu cầu Như vậy, theo khái...

Ngày tải lên: 08/04/2013, 17:01

... indicated by the prevailing EGT Since, the result of Figure that the EGT of DF was higher than that of JBD blends Therefore, the NOX emissions of JBD blends were lower than that of DF At 0% EGR, the NOX ... because of their inclusion of additional oxygen amount Therefore, the CO2 emission of JBD blends was higher than that of DF The higher increase in CO2 emission was observed, at 40% EGR The CO2 ... incomplete combustion of fuel At 40% of EGR, the higher reduction in the BTE was observed; the BTE of DF, JB5 and JB20 decreased by 22.3%, 16.4%, and 7.4% respectively, compared to the baseline value...

Ngày tải lên: 05/09/2013, 16:11

... understanding of generalizable changes of performance over time, this paper examines the nature of the relationship between performance and time over the span of employees’ careers Page Time and Performance ... contradiction to the reviewed literature and the study’s hypotheses However, as the range of values may have an effect on the magnitude of the observed relationship, the standard deviation of the temporal ... U-shaped curve Thus, for the development of performance theory related to dynamic performance, and for the purpose of informing empirical research exploring the nature of performance over time, it...

Ngày tải lên: 11/09/2013, 11:44

... instar larvae and 3-day old pupae were used The main component of one of the oils was pulegone and of the other is not yet totally identified, and it is called SEM76 In space fumigation, these two ... insects at the bottom of the column when the fumigant was applied at the upper layer of the grain Addition of CO2 and circulation caused 100% kill at the different heights Increasing the exposure ... of the Dean–Stark apparatus (Leoni et al., 1997) The yellow upper layer is then separated and extracted with petroleum ether Finally, the petroleum ether is evaporated under a stream of air The...

Ngày tải lên: 25/10/2013, 05:20

... inadequacy on the part of the patients foreseeing failure in achieving their social aims The second approach by contrast, de-emphasizes the formal/structural aspects of the proper performance of social ... phobia and turning it around Positively stated, that means enhancing the participation of the individual in the social life of the community of which he or she is a member in the pursuit of personal ... 3) In therapy, social anxiety is therefore likely to subside hand in hand with the dissolution of a defensive overall pattern and the gradual emergence of a participatory one, allowing the patient...

Ngày tải lên: 01/11/2013, 08:20

... facilitate the expansion and balanced growth of international trade, and to contribute thereby to the promotion and maintenance of high levels of employment and real income and to the development of the ... the French Declaration of the Rights of Man and Citizen As apprehended by Friedrich Tenbruck, they build on the Creation, the universality of the Children of God and of brotherhood with the ... historic importance of the ending of the division of the European continent and the need to create firm bases for the construction of the future Europe50 The passionate sources of personal moral...

Ngày tải lên: 01/11/2013, 08:20

... adopted The pattern of answers was revealing The two other women in the group named Cheryl Two of the three men named Phil Of the men, only Phil named Cheryl In other words, in this instance, the ... grades for themselves if they made their predictions publicly If they made their predictions privately, the predictions were the same as those of the men – and the same as their actual grades This ... in other words, What is the best way to communicate? The answer is that there is no one best way The results of a given way of speaking will vary depending on the situation, the culture of the...

Ngày tải lên: 10/12/2013, 05:15

... the profits of the firms producing them The increased profit will give the proprietors of these firms the financial ability, and the motivation, to obtain additional inputs to expand output of ... violate the privacy and trust of their workers, they engage in a form of fraud They effectively ask their workers to take a lower rate of pay than they would otherwise demand, and then don’t give their ... the land, the machinery, and the office furniture), provides the raw materials and other supplies used in the business, and hires and supervises the workers necessary to convert those factors of...

Ngày tải lên: 17/12/2013, 15:18