... Le Thi Kim Oanh Lien Mac A Secondary School Cách sửdụng Do và MakeHai động từ “do” và “make” thường gây lung túng cho người học vì cả hai đều có thể dịch là ... dùng từ nào cho đúng. Dưới đây là một vài điểm cần lưu ý về hai động từ này giúp bạn đưa ra phương án lựa chọn phù hợp với từng trường hợp cụ thể. 1. Cáchdùng “do”- Dùng “do” cho các hoạt ... mother.She’s doing nothing at the moment.- Một số cách nói phổ biến dùng “do”:• do one’s best • do good • do harm • do a favour • do business2. Cáchdùng “make”- Dùng “make” diễn tả các hoạt...
... Development Systemand output capabilities. While we will discuss the AIC in Chapter 3, we willmostly use the AIC communication routines by simply “including” the fileAICCOM31.ASM in other programs ... toneusing four points. Again, don’t worry about the code for now, since the empha-sis is to become more familiar with the tools. This program invokes (includes)another program AICCOM31.ASM (on the ... its C-coded counterpart MA-TRIXC.C, discussed in Example 1.3, even though it is longer and looks more difficult.2. Perform/implement the sine generator program in Example 1.2.3. Perform/implement...
... quantiza-tion error, yielding a higher resolution. The more bits an ADC has, the better itcan represent an input signal.The TMS320C62 (C62) is the most recent fixed-point processor, announcedin 1997. ... code as well as mixed-mode with an assembly functionthat is called from C. Although C is more portable and more maintainable thanassembly code, a C-code program does not achieve the efficiency ... format for data representation. Although afloating-point processor is generally more expensive, since it has more “real es-tate” or is a larger chip because of additional circuitry, it is generally...
... 4.3. A more practical FIR filter, with sharper characteristics, requires more coefficients;however, this example is instructive, since it incorporates these same coeffi-cients. Furthermore, ... functions are currently available to reduce these high-amplitude oscillations; they provide a more gradual truncation to the infinite se-ries expansion. However, while these alternative window ... impulse ␦(n – m) yields the out-put response h(n – m) by the shift-invariance property.Furthermore, if this impulse is multiplied by x(m), then x(m)␦(n – m) Ǟx(m)h(n – m). Using (4.20), the...
... systemIf |pi| = 1, then the system is marginally stable, yielding an oscillatory response.Furthermore, multiple-order poles on the unit circle yields an unstable system.Note again that with all ... + b1z–1+ b2z–2+ + bNz–NY(z)ᎏX(z)136Infinite Impulse Response Filterser, it is more difficult to design, with a highly nonlinear-phase response in thepassbands. Although a Butterworth ... Transformation 145verse the a and b notation in (5.1). Verify that the eighth-order IIR filter is more selective (sharper).a) Fourth-order EllipticFirst stage Second stagea00.078371 0.143733a1–0.148948...
... further reduction in computa-tion, programming considerations become more complex. As a result, the radix-2 is still the most widely used, followed by the radix-4.182Fast Fourier TransformFIGURE ... It yields the same result as theDFT with less computations required. This reduction becomes more and more important with higher-order FFT.There are other FFT structures that have been used to ... requirements can be reduced. The real-valued inputFFT can be executed in about half the time as the more general complex FFT.6.8 Programming Examples Using C and TMS320C3x Code 187ț The fast Fourier...
... show the adaptation process. The outputwould immediately display the 1-kHz desired signal. It is more interesting totest this implementation with a smaller value of  (by a factor of 10). Verify ... Proceedings of the IEEE, 63, 1692–1716 (1975).4. J. R. Treichler, C. R. Johnson, Jr., and M. G. Larimore, Theory and Design of AdaptiveFilters, Wiley, New York, 1987.5. J. R. Zeidler, “Performance ... the weights are not updated when e(n) becomes zero.The linear adaptive combiner is one of the most useful adaptive filter struc-tures and is an adjustable FIR filter. Whereas the coefficients...