... • List the components of a radio system • Describe how different factors affect the design of a radio system • Explain the radio frequency spectrum Components of a Radio System • Components include: ... level of noise – Interference can take place • To reduce the interference of noise – Boost the strength of the signal – Use of filters when receiving the signal • Attenuation – A loss of signal ... is in the range of the highest sum and the lowest difference of the two frequencies – Sum and differences are known as the sidebands of the frequency carrier • Shield transmitted signal from “stray”...
Ngày tải lên: 13/09/2012, 10:52
Components of USB
... called if the device driver is already registered • Ignition Off/Faceplate Detached – nothing is called • Unplug and Plug during Ignition Off – nothing is called • Ignition On/Faceplate Attached ... necessary for implementing USB connectivity in the platform\cepc\drivers\serial_sl11\ directory of their Microsoft Windows CE Platform Builder installations These files support the Scanlogic Corporation’s ... Auto PC USB connector supplies two power sources of +5V and +12V The +5V supply is specified by the USB standard and is required to provide a maximum of 600 mA continuous The +12V line is added by...
Ngày tải lên: 07/10/2013, 00:20
... assortment of rugged Jumper Cables to help simplify the connectivity of your projects Available in three of the most commonly used cable types in RG142, LMR240 and LMR400 with standard length of 3’, ... device made of magnets and ferrite material which is used to protect other RF components from excessive signal reflection MECA offers six N-Female isolators with average power ratings of watts The ... device made of magnets and ferrite material which is used to protect other RF components from excessive signal reflection MECA offers eight SMA-Female isolators with average power ratings of watts...
Ngày tải lên: 09/11/2013, 05:15
COMPONENTS OF REPRODUCTIVE ISOLATION BETWEEN THE MONKEYFLOWERS MIMULUS LEWISII AND M. CARDINALIS (PHRYMACEAE) potx
... Because of the labor required to estimate the relative frequency of F1 individuals in the progeny of mixed pollinations, we studied the progeny of each cross type from eight of the 17 seed parents of ... series of sequential stages of reproductive isolation, a reproductive barrier can only prevent gene flow that was not already eliminated by previous stages of isolation (eq 4) Hence, components of ... low relative biomass of M lewisii reduces the total isolation of the species only slightly—the advantage of hybridization is calculated as a function of the small amount of reproductive isolation...
Ngày tải lên: 05/03/2014, 17:20
Components of Software Development Risk: How to Address Them? A Project Manager Survey ppt
... introduce new aspects of software risks (cf resource usage and performance risks) WHAT INFLUENCES SOFTWARE RISK COMPONENTS A summary of how risk management influences software risk components is shown ... dimensions of IT investment risk in general The new list of six risk dimensions represents a more systematic set of risk components than Boehm's original list from the point of view of a project ... number of factors to account for a maximum portion of variance, and the expected low unique and error variance as a portion of the total variance ROPPONEN AND LYYTINEN: COMPONENTS OF SOFTWARE...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: The protein shuffle Sequential interactions among components of the human nucleotide excision repair pathway pdf
... N-terminal part of RPA70 (PDB entry: 1EWI), the RPA70AB–dC8 complex (PDB entry: 1JMC), and the trimerization core, which consists of the C-terminal part of RPA70, the N-terminal part of RPA32, and ... interactions that orchestrate this intricate game of musical chairs are not yet fully understood (Fig 2C) The 3D structures of the core XPC-binding domains of hHR23B and hHR23A have been solved [10,11] ... upon arrival of the XPA– RPA complex or which domains of XPC and XPA are responsible for interacting each other More research is required to elucidate the various steps of this handing-off process...
Ngày tải lên: 07/03/2014, 12:20
CORE PRINCIPLES OF MEDIA LITERACY EDUCATION in the UNITED STATES potx
... teach, thereby distinguishing these as Core Principles of "media literacy education" rather than solely as key concepts of "media literacy." We believe that these Core Principles articulate a common ... developed to meet the needs of the wide range of media literacy education practitioners outside the pre-K-12 classroom, including parents, professors, counselors, artists, media professionals, and more ... other issues of representation 5.4 MLE shares with media owners, producers, and members of the creative community responsibility for facilitating mutual understanding of the effects of media on...
Ngày tải lên: 08/03/2014, 19:20
Báo cáo khoa học: Interaction of the E2 and E3 components of the pyruvate dehydrogenase multienzyme complex of Bacillus stearothermophilus ppt
... representing the PSBD of the dihydrosuccinyltransferase chain of the 2-oxoglutarate dehydrogenase complex of E coli [12] and of the dihydroacetyltransferase chain of the PDH complex of B stearothermophilus ... structure of PSBD was subsequently determined and compared with that of the PSBD in the crystal structure of the PSBD–E3 complex [28], thereby allowing a better estimate of the extent of molecular ... N-terminus of helix I of the domain and the three residues in loop L2 contributing to the E3-binding site Backbone dynamics of PSBD The region (Met132 to Ser134) before the start of helix I of the...
Ngày tải lên: 16/03/2014, 18:20
Báo cáo khoa học: Calcium-induced activation and truncation of promatrix metalloproteinase-9 linked to the core protein of chondroitin sulfate proteoglycans pot
... position of the 92 kDa form of proMMP-9 in serum-free culture medium of THP-1 cells and the 72 kDa form of proMMP-2 in serumfree culture medium of human skin fibroblasts At the bottom of the figure ... bottom of the application well 4000 J.-O Winberg et al (Eur J Biochem 270) Fig Activation of proMMP-9/CSPG with CaCl2 results in the release of low Mr forms of the gelatinase Gelatin zymography of ... active Fig Time dependent release of low Mr forms of the gelatinase during the activation of the proMMP-9/CSPG complex with CaCl2 Gelatin zymography of lg per lane of CSPG (A and B represent two...
Ngày tải lên: 17/03/2014, 10:20
Core Principles of Effective Banking Supervision ppt
... “inspection of books of the company and methods of operation of the company or otherwise” regarding the capital structure, proposed management etc prior to grant of licence By virtue of Section 10A(2) of ... part of its name at least one of such words The Central Government,on the recommendation of the RBI, may exempt any banking company or class of banking companies from any of the provisions of the ... provisions of the RBI Act A system of on-site examination based on CAMELS rating model and off-site surveillance of various statutory returns of NBFCs is in place Besides, special formats for off-site...
Ngày tải lên: 22/03/2014, 21:20
Báo cáo khoa học: LIN54 is an essential core subunit of the DREAM / LINC complex that binds to the cdc2 promoter in a sequence-specific manner ppt
... core subunit of the DREAM ⁄ LINC complex to p130 Importantly, these two mutants were both strongly overexpressed, indicating that a lack of binding of these mutants to p130 was not a result of ... experiment and the percentage of PH3-positive cells was determined Representative regions of one of three independent experiments are shown (C) To determine the number of cells re-entering the next ... tyrosine Mutation of the residue equivalent to C525 of Arabidopsis TSO1 disrupts flower development and cell division [20] We found that mutation of C525 and C527 abolished the binding of GST-CXC to...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo khoa học: Structure of the core oligosaccharide of a rough-type lipopolysaccharide of Pseudomonas syringae pv. phaseolicola docx
... O-carbamoyl (Cm) groups, are conserved components of the LPS core of pseudomonads [29–31]; Ala is typically linked to GalN, and the location of Cm at HepII O7 in the LPS of P syringae has been demonstrated ... data of OSHOAc (see above) These data defined the structure of the OSHOAc (Fig 2) as well as of the full core oligosaccharide of P syringae pv phaseolicola GSPB 711 (Fig 5) The structure of the ... isomeric outer core glycoforms differing in the postion of a terminal Rha residue occurs in the P aeruginosa LPS [30], one of them being markedly similar to the Rha-containing glycoform of the P syringae...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Identification and localization of glycine in the inner core lipopolysaccharide of Neisseria meningitidis ppt
... spectrum of O-deacylated LPS from N meningitidis strains (A) L3 galE core oligosaccharide MS/MS of m/z 1169; (B) L4 galE core oligosaccharide MS/MS of m/z 1193 Fragmentation pathways of the core ... strain of H influenzae glycine could be found at each of the heptose residues of the inner core triheptosyl group or on the Kdo residue Glycine has also been localized in the core oligosaccharide of ... CH2 protons of the glycine moiety, thus confirming the identification of glycine NMR provided evidence for the exact location of the glycine moiety on the HepII residue of the inner core oligosaccharide...
Ngày tải lên: 23/03/2014, 21:21
Báo cáo khoa học: "ACQUIRING CORE MEANINGS OF WORDS, REPRESENTED AS JACKENDOFF-STYLE CONCEPTUAL STRUCTURES, FROM CORRELATED STREAMS OF LINGUISTIC AND NON-LINGUISTIC INPUT" potx
... make use of the notion of a sentence "describing" a sequence of scenes The notion of description is expressed via the set of inference rules given in Figure Each rule enables the inference of the ... component of each scenario presented to MORAN consists of a sequence of exactly two scenes, where each scene is described by a conjunction of atomic formula The linguistic component of each scenario ... however, the modules offer much greater constraint on the mutually consistent values for the mental representations, thus reducing the amount of nondeterminism Much of the success of MAIMRA hinges...
Ngày tải lên: 24/03/2014, 02:20
Báo cáo khoa học: Role of the N- and C-terminal regions of the PufX protein in the structural organization of the photosynthetic core complex of Rhodobacter sphaeroides pptx
... Nehrlich, S., Chen, J & Loach, P.A (2001) Role of the core region of the PufX protein in inhibition of reconstitution of the core light-harvesting complexes of Rhodobacter sphaeroides and Rhodobacter ... formation of the LH1 complex This result suggests that the central core of the PufX protein is responsible of the break in the continuity of the LH1 ring in vivo [14], allowing a faster diffusion of ... consists of a progressive deletion at the N-terminus, extending from the second residue of the primary sequence; the second series consists of a progressive truncation of the C-terminal domain of PufX...
Ngày tải lên: 31/03/2014, 09:20
components of cell and gene therapy
... What sets off the initial changes in neurons that lead to a cascade of cell death in specific areas and pathways of the nervous system? A number of molecular mechanisms at different levels of neuronal ... use regulatory proteins of cell death have been examined Antiapoptotic factors like Bcl-xL is one of three isoforms of Bcl-x that protects cells from the damaging effect of reactive oxygen molecules ... immunological effects The exclusion of these genes, however, often reduces the efficiency and length of transgene expression Control of the gene product will be a critical aspect of successful gene therapy...
Ngày tải lên: 10/04/2014, 22:11
application of core principles of chemistry
... Suggest TWO reasons why these biofuels may not be carbon neutral and describe TWO effects that large scale production of biofuels may have on society Which of the three biofuels you think is the most ... answer to (b)(ii) to calculate the number of moles of quicklime that reacted with the hydrochloric acid (2) (iv) Calculate the percentage purity of the sample of quicklime Give your answer to three ... spaces provided 23 As levels of fossil fuel resources are getting lower, society is increasingly looking at the use of biofuels as alternatives to coal, oil and gas Biofuels are derived from plants...
Ngày tải lên: 02/06/2014, 09:23
báo cáo hóa học: " Measuring the ICF components of impairment, activity limitation and participation restriction: an item analysis using classical test theory and item response theory" potx
... Secondly, the score achieved by an individual is independent of the particular sample of items that the individual responds to [18] Third, IRT gives indices of the informatic contribution of items, ... analysis One of the items, I2 'What degree of difficulty you have bending and rotating your affected joint?', was written as an attempt to convert a clinician measure of the degrees of of motion ... advantage of using IRT, as the lack of reliability at the extremes of the construct was not identified by the CTT analysis It is possible that the lack of reliable items at the ends of the I and...
Ngày tải lên: 18/06/2014, 18:20
Báo cáo toán học: " Metabolite proving fungal cleavage of the aromatic core part of a fluoroquinolone antibiotic" pdf
... cleavage of the aromatic fluoroquinolone core for the first time Hence, two decades after the emergence of the notion of the nonbiodegradability of fluoroquinolones, fungal degradation of all key ... to F-5 of enrofloxacin (Wetzstein et al 1997) or ciprofloxacin (Wetzstein et al 1999), for which hydroxylation of position C-5 was indistinguishable from hydroxylation of C-8 Degradation of the ... chemical degradation of enrofloxacin, ciprofloxacin or other FQs, cleavage of the aromatic core could not yet be proved either, if based on metabolite identification Work on ciprofloxacin confirmed...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo sinh học: " Research Article Analysis and Numerical Solutions of Positive and Dead Core Solutions of Singular Sturm-Liouville Problems" pptx
... the dead core of u If ρ 0, then u is called a pseudo dead core solution of problem 1.6a - 1.6b The aim of this paper is twofold First of all, we analyze relations between the values of the parameter ... and let u be a pseudo dead core solution of problem 1.6a - 1.6b Then, by the definition of pseudo dead core solutions, u 0 We can proceed analogously to the proof of Lemma 2.6 in order to show ... dead core solution of problem 1.6a - 1.6b We verify these facts for solutions of 2.57 arguing as in the proof of Theorem 2.10, with a replaced by In the final theorem below, we deal with dead core...
Ngày tải lên: 21/06/2014, 16:20