profiling data and improving data quality

... of code or data named my_buffer The directives text and data indicate a section for text and data, respectively Other assembler directives, such as ref and def, are used for undefined and defined ... the data accessed are in different memory banks Separate buses for program, data, and direct memory access (DMA) allow the C6x to perform concurrent program fetches, data read and write, and ... allows several data sizes between and 32 bits Clocking and framing associated with the McBSPs for input and output can be found in Ref External data communication can occur while data are being...

Ngày tải lên: 17/10/2013, 19:15

... ltmodlt(short data) { data = lter (data, lter1); data = sinemod (data) ; data = lter (data, lter2); return data; } //init DSK using polling //init 1st lter buffer //init 2nd lter buffer //input new sample data ... lter and the edges of both passbands and stopbands are xed, and the coefcients are varied to provide this equiripple approximation This minimizes the ripple in both the passbands and the stopbands ... accuracy, and less sensitivity to temperature and aging Stringent magnitude and phase characteristics can be realized with a digital lter Filter characteristics such as center frequency, bandwidth, and...

Ngày tải lên: 24/10/2013, 09:15

... monotonic responses in both passbands and stopbands An elliptic design has equiripple in both bands and achieves a lower order than a FIGURE 5.8 Relationship between analog and digital frequencies Programming ... =( z -1) ( z +1) (5.30) In the case of bandpass and bandstop filters with lower and upper cutoff frequencies wD1 and wD2, the two analog frequencies wA1 and wA2 need to be solved The exercises ... a1u( n) + and so on, for time n + 2, n + 3, , when for each specific time, a new input sample is acquired and the delay variables and then the output are calculated using (5.10), and (5.11),...

Ngày tải lên: 28/10/2013, 16:15

... the data in memory (on an 8-byte boundary) Both the input data and the twiddle constants are structured as “complex.” The input signal consists of sine data values set in a table as real input data ... at k = m and at k = N - m Build this project as DFT The input x(n) is a cosine with N = data points To test the results: Select View Æ Watch Window and insert the two expressions j and out (right ... expressions j and out (right click on the Watch window) Click on +out to expand and view out[0] and out[1] that represent the real and imaginary components, respectively Place a breakpoint at the bracket...

Ngày tải lên: 07/11/2013, 10:15

... the fixed unknown FIR bandpass filter A pseudorandom noise sequence is generated within the program (see Examples 2.16 and 4.4) and becomes the input to both the fixed (unknown) and the adaptive FIR ... presence of a wideband signal The desired wideband signal with an additive narrowband interference is delayed and becomes the input to a 60-coefficient adaptive FIR filter The desired wideband signal is ... including adaptive echo and noise cancellation, equalization, and prediction Other variants of the LMS algorithm have been employed, such as the sign-error LMS, the sign -data LMS, and the sign-sign...

Ngày tải lên: 07/11/2013, 10:15

... ;64-bit data in A2 and A3 ;64-bit data in B2 and B3 *A4++,A3:A2 *B4++,B3:B2 ;64-bit data in A2 and A3 ;64-bit data in B2 and B3 *A4++,A3:A2 *B4++,B3:B2 ;64-bit data in A2 and A3 ;64-bit data in B2 and ... *B4++,B3:B2 A1,1,A1 ;64-bit data in A2 and A3 ;64-bit data in B2 and B3 ;decrement count *A4++,A3:A2 *B4++,B3:B2 A1,1,A1 LOOP ;64-bit data in A2 and A3 ;64-bit data in B2 and B3 ;decrement count ... example, the ADDs add data for iteration 1, while MPY and MPYH multiply data for iteration 3, LDWs load data for iteration 8, SUB decrements the counter for iteration 7, and B branches for iteration...

Ngày tải lên: 14/12/2013, 14:15

... lowfrequency band, to kHz, and a high-frequency band, to kHz The low- and high-frequency signals are encoded separately by dynamically quantizing an adaptive predictor’s output error.The low and the ... signal sampled at 16 kHz and separates it into a low band and a high band The filter coefficients represent a 4-kHz lowpass filter The sampled signal is separated into odd and even samples, with the ... encoded with and bits, respectively.As long as the error signal is small, a negligible amount of overall quantization noise and good performance can be obtained The low- and high-band bits are...

Ngày tải lên: 14/12/2013, 14:15

... data exchange (RTDX) associated with DSP/BIOS (Appendix G) RTDX allows for data exchange between the host and the target and analysis in real time without stopping the target Key statistics and ... locations, where code and data reside By using a linker command file, with extension cmd, one can customize the allocation process, specifying MEMORY and SECTIONS directives within the command file The linker ... are available, including setting breakpoints and watching variables, viewing memory, registers, and mixed C and assembly code, graphing results, and monitoring execution time One can step through...

Ngày tải lên: 26/01/2014, 07:20

... c_int11() { int sample _data; //interrupt service routine sample _data = input_sample(); //new input data output_sample(sample _data) ; //output data buffer[i] = sample _data; //store data in buffer i++; ... sideband signal, or at 1600 and 2400 Hz Load the GEL file AM.gel, increase the variable amp, and verify the baseband signal being modulated Note that the product of the carrier and baseband signals ... routines and support files included in C6xdskinit.c interrupt void c_int11() { int sample _data; //interrupt service routine sample _data = input_sample(); //input data output_sample(sample _data) ;...

Ngày tải lên: 26/01/2014, 07:20

... program and data) while the other memory bank would hold data only With separate busses for program, data, and direct memory access (DMA), the TMS320C31 can perform concurrent program fetches, data ... in MATLAB B.8 Eight-point FFT and IFFT using MATLAB B.9 Data acquisition, plotting, and FFT using MATLAB C.1 Multirate filter with 10 bands using external memory and TMS320C3x code C.2 Sine generation ... floating-point processor and input and output (I/O) support The DSK board contains an analog interface circuit (AIC) chip that provides for programmable ADC and DAC rates, and input and output filtering,...

Ngày tải lên: 03/07/2014, 16:06

... Microchip received QS-9000 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California ... continuously improving the code protection features of our products Information contained in this publication regarding device applications and the like is intended through suggestion only and may ... The Microchip name and logo, the Microchip logo, KEELOQ, MPLAB, PIC, PICmicro, PICSTART and PRO MATE are registered trademarks of Microchip Technology Incorporated in the U.S.A and other countries...

Ngày tải lên: 11/01/2016, 14:30

... more expensive CPU and computer Think of data buses as highway lanes The average size of data buses in CPUs varies between and 64 Data buses are bidirectional To receive or send data The processing ... Microcontroller and Embedded Systems: Using Assembly and C Mazidi, Mazidi and McKinlay Chung-Ping Young 楊中平 Home Automation, Networking, and Entertainment Lab Dept of Computer Science and Information ... C, and D and it has an 8-bit data bus and a 16-bit address bus The CPU can access memory from addresses 0000 to FFFFH Assume that the code for the CPU to move a value to register A is B0H and...

Ngày tải lên: 04/10/2013, 19:10

... antique land Who said: Two vast and trunkless legs of stone Stand in the desert Near them, on the sand Half sunk, a shattered visage lies, whose frown, And wrinkled lip, and sneer of cold command ... alone and it is dark and rainy at that time? Light and darkness are part of the environment around us and they always have an effect on our way of thinking and our actions In literature, light and ... goodness, purity and order and darkness with badness, impurity and disorder And of course, in literature light and darkness can become the contextual symbols of many other things such as love and hate,...

Ngày tải lên: 22/12/2013, 12:59

... comprehension and allows the learners to concentrate on the task and understand why they it 1.2.4.2 Principles for Intermediate and Advanced levels The first principle is to focus on and work toward ... The enactment of real and imagined events through role-play, play making and performances, enabling individuals and groups to explore, shape and represent ideas, feelings and their consequences ... town and others from neighbouring areas Nghen high school divides students into some groups: A (Maths, Physics and Chemistry), C (Literature, History and Geography) and D (Maths, Literature and...

Ngày tải lên: 27/12/2013, 20:26

... currents andifluxes due to the permanent magnets of the rotor : where L, and M, are the self-inductance and the mutualinductance of the stator coils Since we assume a constant airgap and no saturation, ... motor behaviour can be described by its electrical equations : (1) where and are the stator ~y~~ voltage and current, and ag is the total flux induced in this yll stator phase, = a, b or The ... "pseudo-dq" frame described above requires numerous control and computation tasks The control tasks include current, position and speed acquisitions, and PWM signal generation The computation tasks include...

Ngày tải lên: 03/01/2014, 19:44

... pre-school, school, and leisure-time center Organization, content, and methods in three integrated groups are compared and analyzed The analysis is based on staff and parent understanding and evaluation ... Data 89 3.3.2 Data Analysis 92 3.3.3 Validity and Generalizing .96 The Development and Decline of the VT Organization 101 4.1 4.2 4.3 4.4 4.5 4.6 The Planning and ... and investigations have shown that collaboration and integration between child care institutions and schools is a difficult enterprise and that it often fails to succeed (see for example Calander,...

Ngày tải lên: 16/01/2014, 16:33

... we have data on banks’ exposure to interest rate risk at our disposal and, therefore, need not rely on estimates The data covers the period from September 2005 We thank the discussant and participants ... market returns or from balance sheet data, and yet the data analysis poses econometric challenges The challenges arise owing to the characteristics of the dataset: The panel is highly unbalanced ... bonds (See Schich (1997)) Data concerning the banks’ balance sheets, their interest income and their own funds is taken from Bundesbank’s database BAKIS (See Memmel and Stein (2008) for details)...

Ngày tải lên: 16/02/2014, 06:20

... growth at high employment and reasonably stable prices, increased productivity and living standards, greater and more equal opportunity for every citizen, and an improved quality of life for all ... percent.13 IMPROVING QUALITY Quality is paramount if preschool programs are to have an effect on children’s learning and provide the economic and financial benefits we expect from our investment High -quality ... materials, learning opportunities, and health and safety routines Structural quality addresses group sizes, adult-child ratios, and the education and training of the teachers and staff † While it is important...

Ngày tải lên: 20/02/2014, 20:20