sensing with digital inputs

... photos Digital Photography Myth Number 1: Digital photography is expensive and complicated Fact: Not true! Digital cameras are not just toys for “geeks” and people with too much disposable income Digital ... The McGraw-Hill Companies Click here for terms of use xxii How to Do Everything with Digital Photography With digital cameras you get instant feedback on the photo you just took You know immediately ... friends with your photographic skills FIGURE The next time I went by this town, the street sign was gone What You’ll Find in This Book Part I – Digital Photography Basics Working with digital...

Ngày tải lên: 10/12/2013, 14:15

... Scanner with film and print originals Scanner with 3D originals Digital camera Convert Raw files Ph Ph E to e th p Photographic Workflow 167 28 Demystifying the photographic process 167 Part Digital ... all within the technical capabilities of beginners with modest gear, such as compact or single lens reflex (SLR) cameras (preferably with manual controls), and the knowledge and skill provided within ... for those photographers just starting their love affair with photography It equally suits shooters with entry and mid-priced level film and digital cameras, students at school or college using photography...

Ngày tải lên: 01/06/2014, 10:31

... designed with periodic spectrum sensing for the secondary system Figure shows the frame structure considered for the periodic spectrum sensing There are three phases in each frame: a sensing phase, ... associated with k; From (23), find the optimal ε associated with k; Find the optimal τs associated with k through solving the optimization problem P4, and get the maximal throughput Rk associated with ... associated with k; According to the Proposition 1, find the optimal {wi, ≤ i ≤ k} associated with k; From (28), find the optimal ε associated with k; Find the optimal τs associated with k through...

Ngày tải lên: 20/06/2014, 21:20

... Φi sik + ik , (1) with k = {1, 2, , K } and i = {1, 2, , I }; the matrix N Φi , (Φi ∈ RM ×N ) is the projection matrix with M The ik are additive white Gaussian noise with unknown but stationary ... every iteration, compared with MBCS and BCS Moreover, with a high similarity, the performance gap between TBCS and MBCS is enlarged at each step For example, at iteration 21 with a similarity of 25% ... introducing a priori information with the same number of measurements Moreover, the performance gap is increasing with the growth of the similarity level For instance, with a similarity of 11.5% for...

Ngày tải lên: 21/06/2014, 05:20

... interference cancellation in the configuration of Figure 2, with a significant and possibly timevarying timing drift between the two inputs and without any explicit information about the drift, has ... Equation (18) with the parameter q = gives the position of the center of magnitudes (center of mass), with q = gives the center of energy (moment of inertia) or the filter’s group delay, and with q = ... performance without and with timing drift compensation—simulated conditions Test case Nature of timing drift rate during the 120 s test case period Achieved interference reduction (dB) with timing...

Ngày tải lên: 21/06/2014, 08:20

... coupled with digital video microscopy is a powerful tool to study the mechanics and dynamics of various mescopic systems The objective of the thesis is to integrate optical microscopy with more ... Introduction microsphere within the optical trap is tracked with a elements photodiode array (also called a quadrant detector) to obtain the power spectrum density (PSD) With the known trap stiffness ... resist with a uniform thickness of 25 µm was spin-coated on a glass substrate Using the technique of Proton-Beam writing [15], a periodic array of circles with uniform diameter was irradiated with...

Ngày tải lên: 14/09/2015, 13:03

... uses this term inter-changeably with the phrase ‘analogico -digital image’ while referring to what is commonly understood as the digital photograph The term ‘analogico -digital image’ indicates the ... that are well aligned with Stiegler’s conceptions The resulting comparisons bring to light some of the problems with Stiegler’s discourse and his overweening optimism about digital technology In ... built with the intent of overriding human faculties in the interest of securing the best results Digital technology partakes of this particular history of technology The mass dissemination of digital...

Ngày tải lên: 16/10/2015, 11:57

... firmware with the look-up table above DS00684A-page 10 TABLE 5: With a PIC16C62X controller, the comparator reference voltage is shown with the nominal temperature threshold that would be measured with ... microcontroller uses the digital word from the temperature sensing circuit for further processing ã 1998 Microchip Technology Inc DS00684A-page AN684 ERROR CORRECTION WITH HARDWARE IMPLEMENTATIONS ... DS00684A-page 12 High Precision Temperature Sensing with a 12-bit Converter The circuit shown in Figure 15 can be further enhanced to allow for 12-bit accuracy with the addition of a MCP3201 12-bit...

Ngày tải lên: 02/01/2016, 22:26

... temperature range [5] AN679, “Temperature Sensing Technologies”, DS00679, Baker, Bonnie, Microchip Technology Inc [6] AN684, “Single-Supply Temperature Sensing with Thermocouples”, DS00684, Baker, ... RTD sensing element requires a stable current reference for excitation This can be implemented in a number of ways, one of which is shown in Figure In this circuit, a voltage reference, along with ... Microchip Technology Inc AN687 The voltage signal at the output of A3 is filtered with a 2nd order, low pass filter created with A4, R8, C8A, C8B, R9 and C9 It is designed to have a Bessel response and...

Ngày tải lên: 11/01/2016, 11:32

... the same Serial Peripheral Interface (SPI™) bus of the PIC16C63 for the PGA, digital potentiometer and ADC with no digital feedthrough from the converter during DS00251A-page conversion Any PICmicro® ... the design of other PGA circuits that can be implemented with different sensors is found in Microchip Technology’s AN865, Sensing Light with a Programmable Gain Amplifier” (DS00865)  2003 Microchip ... 2535 27.4 1180 2550 29.9 1140 2590 Digital Code at Output of MCP3201, ADC PGA Channel 2400 2200 2000 1800 REFERENCES PGA Channel 1400 30 AN865, Sensing Light with a Programmable Gain Amplifier”,...

Ngày tải lên: 11/01/2016, 11:47

... Microchip engineers REFERENCES AN865, Sensing Light with a Programmable Gain Amplifier”, Bonnie C Baker, Microchip Technology Inc AN251, “Bridge Sensing with the MCP6S2X PGAs”, Bonnie C Baker, ... an alternative that can be interfaced with Microchip’s PGAs Silicon Temperature Sensors are available with various output structures, such as voltage out, digital out or logic out (which indicate ... plane The entire system is manipulated on the same SPI™ bus for the PGA, digital potentiometer and A/D converter with no digital feed through from the converter during conversion V IN ( max ) ≤...

Ngày tải lên: 11/01/2016, 14:30

... “Thermistors in Single-Supply Temperature Sensing Circuits,” Bonnie C Baker; Microchip Technology Inc., DS00685, 1999 [4] AN867, “Temperature Sensing with a Programmable Gain Amplifier,” Bonnie ... Temperature (°C) FIGURE 7: Analog Circuit Errors Digital Design The PIC16F684 microcontroller [11, 12] handles several important tasks It communicates with the PGA to set its input channel, can average ... Thermistor Temperature (°C) Analog Circuit Errors Digital Design The PIC16F684 microcontroller [11, 12] handles several important tasks It communicates with the PGA to set its gain and input channel,...

Ngày tải lên: 11/01/2016, 14:35

... Capacitive Sensing AN1103, “Software Handling for Capacitive Sensing AN1104, “Capacitive Mini-Button Configurations” DS01202B-page © 2008 Microchip Technology Inc CAPACITIVE SENSING WITH PIC10F ... from the programmer is shared with the touch pad and inhibits correct operation of the free running oscillator DS01202B-page AN1202 CONCLUSIONS Software is provided with this application note to ... drive capacitive sensing can be either very simple or can handle complex algorithms for button detection Additional reference materials include: AN1101, “Introduction to Capacitive Sensing AN1102,...

Ngày tải lên: 11/01/2016, 17:01

... designed controller as a digital system that has its inputs and outputs as digital signals, there is a need to sample the continuous inputs to this digital computer Also, a digital controller can ... the area of discrete linear systems or digital signal processing where the instructor can cover all chapters with ease Numerous examples are presented within each chapter to illustrate each concept ... systems with many examples and illustrations A very comprehensive chapter on the DFT and FFT is also unique in terms of the FFT applications In working with the examples that are solved with MATLAB,...

Ngày tải lên: 01/01/2014, 21:13

... Starting with the least significant digit column above, we add with and the table gives us 16 i.e., with a carry of Next we add and , with a carry of , or and , and the table gives us 11 i.e., with ... 1DC5D Starting with the least significant digit column above, we add with and the table gives us D with no carry Next, we add and and we get with no carry Now, we add and and we Digital Circuit ... Digital Circuit Analysis and Design with an Introduction to CPLDs & FPGAs Students and working professionals will find Digital Circuit Analysis and Design with an Introduction...

Ngày tải lên: 19/02/2014, 17:19

... Vector with the elements filled up with real numbers Œ2:89 21:87 100 Column Vector with the elements filled up with Complex numbers 1Cj j 7 49 C 7j Matrix of size with the elements filled up with ... Mathematical Summary for Digital Signal Processing Applications with Matlab E.S Gopi Mathematical Summary for Digital Signal Processing Applications with Matlab 123 E.S Gopi National ... numbers Matrix of size 3 # " 2 with the elements filled up with complex numbers j 6 2j 1Cj 5j j E.S Gopi, Mathematical Summary for Digital Signal Processing Applications with Matlab, DOI 10.1007/978-90-481-3747-3...

Ngày tải lên: 07/03/2014, 13:20

... PARKS and C S BURRUS: DIGITAL FILTER DESIGN RULPH CHASSAING and DARRELL W HORNING: DIGITAL SIGNAL PROCESSING WITH THE TMS320C25 RULPH CHASSAING: DIGITAL SIGNAL PROCESSING WITH C AND THE TMS320C30 ... Table Ramp Generation without a Lookup Table Echo Echo with Control for Different Effects Sine Generation with Table Values Generated within the Program Sine Generation with a Table Created by ... Algorithm with Radix-2 Decimation-in-Frequency FFT Algorithm with Radix-2 Decimation-in-Time FFT Algorithm with Radix-2 Bit Reversal for Unscrambling Development of the FFT Algorithm with Radix-4...

Ngày tải lên: 15/03/2014, 17:20

... the PtO2 -doped SnO2 sensors with varying PtO2 doping content Please cite this article in press as: N Van Hieu, et al., Gas -sensing properties of tin oxide doped with metal oxides and carbon ... PtO2 doping content was varied from 0.2 to wt% in comparison with SnO2 weight The sensing characteristics of these sensors were measured with 250 ppm ethanol at different operating temperatures, ... ethanol gas We have found that the SnO2 doped with the wt% PtO2 sensor shows the highest response to ethanol gas and LPG compared with that of SnO2 doped with the other dopants Among carbon nanotubes-doped...

Ngày tải lên: 19/03/2014, 16:48

... either denoted with a dot ( • ) or no symbol at all Thus we can rewrite the above expression as F=x•y or simply 33 Digital Logic and Microprocessor Design with VHDL Chapter - Digital Circuits ... always be derived Examples on the use of truth tables 34 Digital Logic and Microprocessor Design with VHDL Chapter - Digital Circuits to describe digital circuits are given in the following sections ... term by ANDing it with (x+x' )(z+z' ), and 2nd term with (y+y' ) = xyz + xyz' + x'yz + x'yz' + x'yz + x'y'z = m7 + m6 + m3 + m2 + m1 41 Digital Logic and Microprocessor Design with VHDL = Σ(1,...

Ngày tải lên: 19/03/2014, 21:20

... will change its electric properties with fast response time, which can enable CNTs to be a good candidate of gas -sensing applications [15–17] For the gas -sensing materials, there are various ... gas-sensor testing gas with air using a mass flow control system with computer control (AALBORG model GFC17S-VALD2-A0200) and subsequently injected into the chamber The chamber was purged with air and the ... method with a finger width of 100 mm and a gap size of 70 mm The fingers of the interdigitated electrode were made by sputtering 10 nm Ti and 200 nm Pt on a layer of silicon dioxide (SiO2) with a...

Ngày tải lên: 20/03/2014, 13:04