real time operating system found in
The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
Ngày tải lên :
12/09/2012, 15:05
... University
Pittsburgh, PA 15213
Appeared in Proceedings of the 11th Operating Systems Principles,
November, 1987
Abstract
Mach is a multiprocessor operating system being implemented at Carnegie-Mellon ... of an extensible operating system is once again gaining acceptance this time as the solution
to the unconstrained growth of UNIX. During the last 20 years operating systems and their environments ... workstations and large timesharing systems within the CMU Department of Computer Science. It is also
being used on dozens of machines outside the Department, including systems at BBN, the IBM...
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Real-Time Digital Signal Processing - Chapter 1: Introduction to Real-Time Digital Signal Processing
Ngày tải lên :
17/10/2013, 14:15
... sineTable[BUF_SIZE]
{0x0000,0x000f,0x001e,0x002d,0x003a,0x0046,0x0050,0x0059,
0x005f,0x0062,0x0063,0x0062,0x005f,0x0059,0x0050,0x0046,
0x003a,0x002d,0x001e,0x000f,0x0000,0xfff1,0xffe2,0xffd3,
0xffc6,0xffba,0xffb0,0xffa7,0xffa1,0xff9e,0xff9d,0xff9e,
0xffa1,0xffa7,0xffb0,0xffba,0xffc6,0xffd3,0xffe2,0xfff1 };
int in_ buffer[BUF_SIZE];
int out_buffer[BUF_SIZE];
int Gain;
void main()
{
int i,j;
Gain 0x20;
22
INTRODUCTION TO REAL- TIME DIGITAL SIGNAL PROCESSING
Table 1.3 Linker command ... are defined continuously in time, have an infinite range
of amplitude values, and can be processed using electrical devices containing both
active and passive circuit elements. Discrete -time signals ... the existing digital signals' sampling
rates. Sampling rate changes are useful in many applications such as interconnecting
DSP systems operating at different rates. A multirate DSP system...
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Real-Time Digital Signal Processing - Chapter 2: Introduction to TMS320C55x Digital Signal Processor
Ngày tải lên :
19/10/2013, 23:15
... direct, indirect, and
absolute addressing modes. In the following experiment, we will write a subroutine
int exp2b_3(int *Ai, int *Xi) to perform the dot product using indirect
addressing mode, ... is
passed to the calling function by T0.
5. Write an assembly routine int exp2b_4(int *Ai, int *Xi) using the indirect
addressing mode in conjunction with parallel instructions and repeat instructions
to ... target system. We can also combine object file
sections, allocate sections into specific memory areas, and define or redefine global
symbols at link time.
We can use the following command to invoke...
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Real-Time Digital Signal Processing - Chapter 9: Practical DSP Applications in Communications
Ngày tải lên :
06/11/2013, 18:15
... cos_sin.asm À Table lookup sinewave generator
; with 1024±point cosine table range(0Àp)
;
; Prototype: void cos_sin(int, int *, int *)
; Entry: arg0: T0 À a (alpha)
; arg1: AR0 À pointer to cosine
; ... using two sinewave generators
connected in parallel. Each sinewave generator can be realized using the polynomial
approximation technique introduced in Section 3.8.5, the recursive oscillator introduced
in ... coding, and many others can be found in a variety of
communication systems. In this chapter, we will introduce some selected DSP applica-
tions in communications that played an important role in...
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Tài liệu Module 13: Real-Time Collaboration in Exchange 2000 pptx
Ngày tải lên :
10/12/2013, 16:15
...
(QDEOH#8VHUV#
User
User
Instant Messaging
Address URL
Instant Messaging
Home Server URL
Instant Messaging
Domain
Instant Messaging
Domain
Home Server
Home Server
You enable individual users for Instant Messaging ... UI
RVP
RVP
MSN
MSN
AOL
AOL
Active
Directory
Active
Directory
Internet
Information
Services
Internet
Information
Services
DNS
DNS
The Instant Messaging server itself runs as part of the Windows 2000 Internet
Information Services (IIS) process (Inetinfo.exe) ... Conferencing Service to host each online meeting as defined in
the conference calendar mailbox.
„#
Directs clients asking to join an online meeting to the Data Conference
server that is hosting...
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Tài liệu Real-Time Digital Signal Processing - Appendix B: Introduction of MATLAB for DSP Applications docx
Ngày tải lên :
25/01/2014, 19:20
... function are contained in parentheses following the name of the
01020 30 40 50
Time index
60 70 80 90 100
1.5
1.0
0.5
0
Amplitude
−0.5
−1.0
−1.5
Figure B.1 Sinewave using integer index
0 0.01 0.02 ... xn.dat in the disk into an array
with the name xn.
To load the file xn.bin stored in the binary format into the array xn, we have to use
the following C-like commands:
fid fopen(`xn.bin',`r');
xn ... and binary file contain data stored in a memory-efficient
binary format, whereas an ASCII file contains information stored in ASCII characters.
Mat-files are preferable for data that is going...
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Tài liệu Real-Time Digital Signal Processing - Appendix C: Introduction of C Programming for DSP Applications ppt
Ngày tải lên :
25/01/2014, 19:20
... typing
firfltr infile coefile outfile <enter>
The operating system passes the strings on the command line to main. More precisely,
the operating system stores the strings on the command line ... expression, thus allowing us to specify a type change
in the value. For example, the data casting(int)used in the following expressions
treats the floating-point number z as an integer:
int x, y;
float ... (int)z; /* Truncate z to an integer x */
y (int)(z0.5); /* Rounding z to an integer y */
The casting result will truncate 2.8 to 2 and store it in x, and allows rounding of the
floating...
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Đánh giá sự biểu biểu hiện gen mã hóa pheromone lai alpha (MF(ALPHA)1) ở các chủng pichia pastoris tái tổ hợp sinh amylase và interleukin 2 bằng kỹ thuật real time PCR
Ngày tải lên :
10/02/2014, 15:15
... new minor groove
binding asymmetric cyanine reporter dye for real- time PCR".Nucleic Acids Res, 31
(8), p. 21-45.
6. Bustin SA (2000), "Absolute quantification of mRNA using real- time ... prohormone
processing".Annu Rev Physiol, 50 p. 345-362.
17. Ginzinger DG (2002), "Gene quantification using real- time quantitative PCR: an
emerging technology hits the mainstream".Exp ... Transcriptome Analysis of Recombinant Pichia Pastoris Strains
Overexpressing Alpha-Amylase and Interleukin-2".International Journal of
Bioscience, Biochemistry and Bioinformatics (IJBBB), 2 (1),...
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Tài liệu Báo cáo khoa học: "Reactive Content Selection in the Generation of Real-time Soccer Commentary" pdf
Ngày tải lên :
20/02/2014, 18:20
... our principle for real time content se-
lection and explain its background. Then, after
briefly explaining MIKE'S overall design, Đ4 explains
how our principles are realized within our ... language processing. The vision
system translates TV images into information and
the intelligent multimedia generation module then
takes this information and presents it by combining
media such ... viewpoint is that, for designing natural
language systems, it is better to realize
what-to-say
and
how-to-say as
separate modules. However, in
MIKE we found that the time pressure in the...
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Báo cáo " Multiband fiR Filter Design and implementation to recover real- time corrupted input speech using dsk tms320c6711 " pdf
Ngày tải lên :
05/03/2014, 14:20
... undesired sinusoidal signals corrupting an input
speech signal. In these studies, the input speech signal is a segment of symphony
orchestra which is saved in the wave file (Handel.wav). This original ... The two noise
sinusoidal signals are generated by the real- time low frequency generator.
To recover the original segment of symphony orchestra using TMS320C6711,
the program MULTINOTCH.C is written, ... value of one
output sample at time n can be determined with knowledge of the N+1 values of
input signal included the present input x[n] and N values of the past inputs x[n-i].
Thus, the FIR...
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