socialism real and fake
A comparison of real and simulated designs for vibratory parts feeding
... models the mid- and tall-sized cylinders have diameters of 3.0 cm, heights of 2.5 and 3.7 cm, and masses of and 12.5 grams, respectively (see Figure 2) We measured the dimensions and masses of ... Reznik, Brown, and Canny presented a qualitative examination of micro-actuated motion arrays based on dynamic simulation and physical results [16] In this paper, we compare simulated and real designs ... researchers have investigated this problem and related problems analytically Boothroyd and his colleagues, Murch and Poli, developed a taxonomy of industrial parts and corresponding feeders for orienting...
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Tài liệu The Decline in the U.S. Personal Saving Rate: Is It Real and Is It a Puzzle? pptx
... Rate and (Realized) Capital Gains Distortions are likely to be caused because NIPA conventions exclude (realized and unrealized) capital gains from disposable income but include taxes on the realized ... (during the late 1990s) and real estate (especially after 2001) markets have created bubble-like conditions in which high and growing capital gains (both realized and unrealized) together increase ... Andrea and Tobacman, Jeremy “Self-Control and Saving for Retirement.” Brooking Papers on Economic Activity, 1998, No 1, pp 91-172 Lettau, Martin and Ludvigson, Sydney C “Understanding Trend and...
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foundations of real and abstract analysis - axler , gehring , ribet
... 0; if x > and > y, then > xy; if > x and > y, then xy > 0; and these results hold with > replaced everywhere by ≥ .7 x2 ≥ 0, and x2 = if and only if x = .8 If x > 0, then x−1 > 0; and if x < ... 0; max {x, y} > if and only if x > or y > .12 min{x, y} ≥ if and only if x ≥ and y ≥ 0; min{x, y} > if and only if x > and y > If you are comfortable with the elementary field and order properties ... following statements about real numbers x, y, ε .1 |x| ≥ 0, and |x| = if and only if x = .2 |x| ≤ ε if and only if −ε ≤ x ≤ ε .3 |x| < ε if and only if −ε < x < ε .4 x = if and only if either |x|...
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dynamical symmetries for nanostructures implicit symmetries in single-electron transport through real and artificial molecules
... theory and quantum mechanics is therefore well established and has been exposed in numerous excellent handbooks A somewhat more subtle aspect featuring group theory and quantum mechanics emerged and ... spectrum and decays) Then we remain with a multiplet consisting of two singlets, (ground state S and exciton E2 ) and the spin triplet T , 20 HIDDEN AND DYNAMICAL SYMMETRIES OF ATOMS AND MOLECULES ... to fail (see detailed discussion in Ref [157] Now the realm of SCES is really vast, and the most of artificial nanostructures belong to this realm In particular, complex quantum dots under strong...
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unknown quantity a real and imaginary history of algebra - john derbyshire
... Abraham and Isaac, Jacob and Joseph, Ur and Haran, Sodom and Gomorrah The Western civilization of that time encompassed all of the Fertile Crescent, that nearly continuous zone of cultivable land ... QUANTITY 12 and since i = –1 and + = 1, that right-hand side is just equal to i Each of those parentheses on the left is therefore a square root of i As before, the Russian dolls are nested A real ... between 284, 2804, 208004, and so on Fractions were written like our hours, minutes, and seconds, which are ultimately of Babylonian origin The number two and a FOUR THOUSAND YEARS AGO 25 half, for...
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báo cáo hóa học: " Relationships between sensory stimuli and autonomic nervous regulation during real and virtual exercises" pot
... sufficient effectiveness and motivation by comparing real and virtual exercises The evaluated factors were muscle activity and vision properties depending on the type of task and exercises as well ... generally elicit a strong demand on the ANA, visual stimuli are not always the strong demand for everyone Accordingly, we carefully considered where and when the incoming stimuli and the ANA should be ... phases: before and after climbing, and climbing An experimental set consisted of six consecutive trials, and each trial comprised a 2.5-min cycling exercise followed by a 2-min rest The ECG and EMG...
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Báo cáo toán học: "Minimum rank of matrices described by a graph or pattern over the rational, real and complex numbers" doc
... ) = if and only if G is a F complete graph, and mr(SG ) = |G| − if and only if G is a path The latter statement is a consequence of Fiedler’s Tridiagonal Matrix Theorem (proved over the real numbers ... linearly dependent, and thus there is a cycle of V containing j and contained in {1, 2, , k, j} Hence, there is a row of CV with a ∗ in column j, and 0s in all positions with > k and = j The result ... represented over the complex number but not the real numbers and over the real numbers but not the rational numbers We use these ideas to construct two matrices, and from these matrices, patterns that...
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MIRRORED MESSAGING PLATFORM DEVELOPMENT OF PUBLIC DISPLAY SYSTEM TO SUPPORT REAL AND VIRTUAL COMMUNITIES
... bridge the real and virtual community; and 3) discussion of the findings from ８ each iteration for understanding the use of the public display in large group context in both real and virtual ... public display for real and 3D virtual world users that can attract users and encourage their participation? 2) How to implement a public display that can bridge the real and 3D virtual communities ... located in the real and 3D virtual communities It allows people in the real world and the 3D virtual world to communicate with each other The prototype iterations of physical models and virtual...
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Effective aspects of positive semi definite real and complex polynomials
... (||g||2 ) ≥ and ∆l (||h||2 ) ≥ 28 Chapter Uniform denominators and their effective estimates Proof We have ||g||2 = i |gi |2 , and we let gi = ui + ivi where ui and vi are the real and imaginary ... |z1 |2 and y = |z2 |2 , and obtain rb = (x + y)2 − bxy Clearly, rb is non-negative when b ≤ and positive away from the origin when b < By point (d) of Table 4.1, if rb is bihomogeneous and positive ... Powers and Reznick [20] have found an effective bound for N , and more recently also for the case when p has simple zeros (zeros only at the vertices of ∆n ), in [21] and [22] P´olya’s theorem and...
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Effects of acupuncture in neck pain patients a comparison of real and sham acupuncture
... with similar complaints were recruited These were randomly allocated into real and sham group using block randomization Both group had 30 patients and they were very much similar to each other in ... especially in both hands Moehrle and colleagues (41) did a randomized controlled trial in patients with Raynauds syndrome and showed a significant reduction in the rates of attacks and increased blood ... course of sessions of real or sham acupuncture The outcome measures considered were: primary or subjective- VAS and NPAD score, secondary or objective- temperature of the hand and the pain pressure...
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Revision of Nominal Effective Exchange Rate (NEER) and Real Effective Exchange Rate (REER) Indices.doc
... Germany, Euro (Includes Austria, Belgium, Finland, France, Italy and Netherlands) Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal and Spain) Guatemela Hongkong Indonesia Indonesia ... 50 and 51 of the December issue of RBI Bulletin Table 4: Indices of Real Effective Exchange Rate (REER) and Nominal Effective Exchange Rate (NEER) of the Indian Rupee (36-Currency Export and ... Singapore Qatar Srilanka Russia Switzerland Saudi Arabia Thailand Singapore Turkey South Africa UK Sri Lanka Uruguay Sweden USA Switzerland Yugoslavia Thailand Turkey UAE UK USA ...
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Real situation and Logistics applicability in freight forwarding of Haiphong Port – Recommendations to improve performance.doc
... port, handling operation areas are located based on the infrastructure advantages such as railway, high way, and inland waterway These areas are installed and equipped with modern and advanced handling ... Forwarding and transporting agent Transporting containers from Haiphong to Laocai and vice versa by railway Bagging, packing, and transporting cargoes by sea, highway, and inland waterways ... existence and development, port of Haiphong has always played the most important role of the “Border gate” interface in the North of Vietnam Import and export cargoes to and from North of Laos and...
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3D Videocommunication Algorithms concepts and real time systems in human centred communication
... analysis of audio and video and arbitrary view and sound synthesis to encoding of 3D audio and video Understanding of real- time implementation issues, as well as system architectures and network aspects ... frequently used for audio, image and video storage and transmission International coding standards such as ITU, MPEG-2/4 and MP3 are discussed in this context The most recent standardization activity relevant ... in a real scene Developments in this field are outlined in Chapter 14 on Mixed Reality Displays by S Pastoor and C Conomis After a brief description of challenges of mixed reality displays and...
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EVALUATION OF THE REAL SITUATION OF IMPORT ACTIVITIES OF VIETNAM ENERGY DEVELOPMENT SUPPORT JOINT STOCK COMPANY FROM 2009 TO 2011. PROBLEMS AND SOLUTIONS.
... global economic integration, promoting import and export activities is considered as the biggest priority of Vietnam to expand and occupy regional and international markets Besides encouraging ... of foundation and development, strategic orientation and organizational structure to understand more the matters which the company is being coping with 1.1 History of foundation and development ... establishment and development Our society is progress rapidly in accompany with the development of science and technology, sophisticated and highly susceptible microprocessor based on electronics and data...
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Real-Time Digital Signal Processing - Chapter 3: DSP Fundamentals and Implementation Considerations
... distributed random numbers with mean and variance 1: xn 2*sqrt(3)*(rand À 0:5); For two random variables x and y, we have Ex y Ex Ey,
3:3:15 i.e., the mean value of the sum of random ... results between (a) and (b) (d) A 1, f 600 Hz, and fs kHz (e) Compare and explain the results (b) and (d) 14 Generate 1024 samples of pseudo-random numbers with mean and variance using the ... random variable from a uniformly distributed random variable using N ! 12 The Gaussian random variable is frequently used in communication theory The MATLAB function randn generates pseudo-random...
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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters
... non-causal and hence not physically realizable Instead we must compromise and accept a more gradual cutoff between passband and stopband, as well as specify a transition band between the passband and ... illustrated in Figure 5.1(a) The regions ! !c and ! > !c are referred to as the passband and stopband, respectively The frequency that separates the passband and stopband is called the cut-off frequency ... passband, the magnitude response has a peak deviation dp and in the stopband, it has a maximum deviation ds The frequencies !p and !s are the passband edge (cut-off) frequency and the stopband...
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Real-Time Digital Signal Processing - Chapter 6: Design and Implementation of IIR Filters
... passband is < F < Wp, the stopband is Ws < F < 1, and Wp < Ws For highpass filters, the normalized frequency range of stopband is < F < Ws, the passband is Wp < F < 1, and Wp > Ws For bandpass and ... passband and a monotonic characteristic in the stopband (see Figure 6.7a) The family of type II Chebyshev filters contains both poles and zeros, and exhibit a monotonic behavior in the passband and ... Chebyshev type II, and elliptic filters, respectively The parameters Wp and Ws are the normalized passband and stopband edge frequencies, respectively The range of Wp and Ws are between and 1, where...
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Real-Time Digital Signal Processing - Chapter 7: Fast Fourier Transform and Its Applications
... the DTFT of periodic and finite-length sequences Example 7.1: If the signals fx
ng are real valued and N is an even number, we can show that X
0 and X
N=2 are real values and can be computed ...
7:1:17 and ImX
k ÀImX
N À k, Thus the DFT of a real sequence produces symmetric real frequency components and anti-symmetric imaginary frequency components about X(M) The real part ... form
a jb
c jd
ac bd j
bc ad and therefore requires four real multiplications and two real additions The number of multiplications and the storage requirements can be reduced if...
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