telling a hardware problem from a software problem

How to setup a Linux system that can boot directly from a software RAID

How to setup a Linux system that can boot directly from a software RAID

... the partitioning utility to create the software RAID partitions In the example both disks are split into a 3498Mb and a 596Mb software RAID partitions: Device Type Size Mbytes /dev/hda1 software ... software RAID 3498 /dev/hda2 software RAID 596 /dev/hdc1 software RAID 3498 /dev/hdc2 software RAID 596 If the disks are new, the partitioning utility will ask to create a new partition table If ... disks already contains data, make a backup if needed (all existing data of partitions involved in the process will be lost), and delete or resize existing partitions to create space for the software...

Ngày tải lên: 18/09/2012, 10:11

14 568 1
Tài liệu Module 3: Designing a Software Distribution and Management Strategy ppt

Tài liệu Module 3: Designing a Software Distribution and Management Strategy ppt

... install and manage software: A Windows Installer package (an msi file), which is a relational database that contains information describing the installed state of the application An API that allows ... define the stages of the software management process Lead-in Each organization has its own approach, but any approach involves standard stages Packaging—Preparing an Application for Installation Distribution—Replicating ... the software applications are installed Who installs the software How software upgrades and updates are installed Whether upgrades and updates are mandatory or optional How to provide application...

Ngày tải lên: 10/12/2013, 15:15

40 533 0
Báo cáo "Development of a software package for 3D structured mesh generation " pdf

Báo cáo "Development of a software package for 3D structured mesh generation " pdf

... inverse mapping between the 3D real computational domain and a rectangular domain in the parametric space [1, 2, 5, 6] For short, the formulae for Y and Z coordinates are the same and they are not ... generation for the computational domain surrounding a 3D sinusoidal object Another 3D object is assumed to have a sinusoidal shape A 3D computational mesh will be generated for a specific domain ... have been used as the input of a 3D computational fluid dynamics software for turbulent compressible atmospheric flows and air quality simulations 4.1 The graphic user interface of the package...

Ngày tải lên: 14/03/2014, 13:20

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A software defined GPS and galileo receiver springer

A software defined GPS and galileo receiver springer

... the last two subframes repeat every 12.5 minutes, giving a total of 50 subframes Subframes and contain almanac data The almanac data are the ephemerides and clock data with reduced precision Additionally, ... Additionally, each satellite transmits almanac data for all GPS satellites while it only transmits ephemeris data for itself The remainder of subframes and contain various data, e.g., UTC parameters, ... 134 A. 1 A. 2 A. 3 A. 4 A. 5 A. 6 GNSS software receiver ow diagram Flow diagram of the parallel code phase acquisition algorithm GNSS tracking ow diagram Flow diagram...

Ngày tải lên: 31/03/2014, 19:28

189 406 0
fundamentals of global positioning system receivers a software approach

fundamentals of global positioning system receivers a software approach

... are FIGURE 1.1 A fundamental GPS receiver 1.5 SOFTWARE APPROACH performed by hardware From the navigation data phase transition the subframes and navigation data can be obtained Ephemeris data ... (HOW) GPS Time and the Satellite Z Count Parity Check Algorithm Navigation Data from Subframe Navigation Data from Subframes and Navigation Data from Subframes and 5–Support Data Ionospheric Model ... receiver is that the approach can drastically deviate from the conventional hardware approach For example, the user may take a snapshot of data and process them to find the location rather than continuously...

Ngày tải lên: 01/06/2014, 10:14

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báo cáo hóa học:" Research Article Composition Kernel: A Software Solution for Constructing a Multi-OS Embedded System" pot

báo cáo hóa học:" Research Article Composition Kernel: A Software Solution for Constructing a Multi-OS Embedded System" pot

... method, and showing its validity by implementing and evaluating it using real-world software and hardware We developed an abstraction layer named SPUMONE from scratch to run on the SH- 4A processor architecture ... virtual hardware interface identical to a real hardware interface OSs can be executed without any modification on full virtualization On the other hand, implementing full virtualization complicates ... RTAI: Real Time Application Interface, vol 2000, Specialized Systems Consultants, Seattle, Wash, USA, 2000 [6] H Takada, T Kindaichi, and S Hachiya, “Linux on ITRON: a hybrid operating system architecture...

Ngày tải lên: 21/06/2014, 11:20

8 346 0
Báo cáo hóa học: " Research Article The Personal Hearing System—A Software Hearing Aid for a Personal Communication System" ppt

Báo cáo hóa học: " Research Article The Personal Hearing System—A Software Hearing Aid for a Personal Communication System" ppt

... lowdelay real-time signal processing systems based on standard hard- and software, such as the Master Hearing Aid (MHA) [11], a development framework for hearing aid algorithms Another hardware- related ... can act as a central processor for hearing aids with access to binaural audio information and the advantage of increased processing performance [10] Based on such scalable systems, the integration ... signal analysis schemes that control processing parameters of the signal path, for example, classification of the acoustical environment, direction of arrival estimation, and parameter extraction...

Ngày tải lên: 21/06/2014, 19:20

9 406 0
A Software Testing Primer pdf

A Software Testing Primer pdf

... Physical organisation of software (media, manuals, etc.) Data storage and elements Operating system, hardware platform Any modifiable configuration elements and their values Each use case scenario should ... offer automated tools which take a test case, automate it and run it against a software target repeatedly Music to management ears! However, there are some myths about automated test toolsthat need ... Large scale software projects often have a final phase of testing called “Acceptance Testing” Acceptance testing forms an important and distinctly separate phase from previous testing efforts and...

Ngày tải lên: 27/06/2014, 20:20

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software engineering foundations a software science perspective

software engineering foundations a software science perspective

... Applied Software Risk Management: A Guide for Software Project Managers C Ravindranath Pandian ISBN: 0-8493-0524-1 The Art of Software Modeling Benjamin A Lieberman ISBN: 1-4200-4462-1 Database ... Effective Software Maintenance and Evolution: A Reuse-Based Approach Stanislaw Jarzabek ISBN: 0-8493-3592-2 Embedded Linux System Design and Development P Raghavan, Amol Lad, and Sriram Neelakandan ... Database and Applications Security: Integrating Information Security and Data Management Bhavani Thuraisingham ISBN: 0-8493-2224-3 Process-Based Software Project Management F Alan Goodman ISBN:...

Ngày tải lên: 06/07/2014, 15:29

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Core C++ A Software Engineering Approach phần 2 pptx

Core C++ A Software Engineering Approach phần 2 pptx

... that the data set is finished A sentinel is a special value that is not valid as normal data and is used only to indicate the end of valid data, like a negative or value for transaction amounts ... of transactions, I can have a variable that counts the number of transactions already processed This is part of current data: It has to be initialized to and incremented by after each transaction ... Notation exists for setting the field values and for accessing them, and that is all You cannot add to a TimeOfDay variable or compare it with another TimeOfDay variable (at least not with what...

Ngày tải lên: 12/08/2014, 11:20

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Core C++ A Software Engineering Approach phần 3 pps

Core C++ A Software Engineering Approach phần 3 pps

... variables allocated on the heap and conventional variables I have discussed so far ϒΠ Conventional variables (allocated on the stack and the fixed data area) are allocated according to language ... there are not enough registers available, these variables are allocated either in the fixed area (for global variables) or on the program stack (for local variables) Automatic Variables Automatic ... and deallocation: extern and static variables are allocated in the fixed data memory of the program, auto variables are allocated on the program stack, and register variables are allocated in registers...

Ngày tải lên: 12/08/2014, 11:20

120 326 0
Core C++ A Software Engineering Approach phần 5 pptx

Core C++ A Software Engineering Approach phần 5 pptx

... syntax error: *p1 cannot an ordinary variable: it syntax error: 'a' cannot to change x be an lvalue can be changed change through *p1 When a reference has to point to a constant variable, it has ... class specification describes what each object of that class has: data and functions This is why when you create an instance of a class object, a separate set of data members is created for that ... This happens no matter how you create the object, either through a definition of an object as a local or a global named variable, with the new operator as an unnamed dynamic variable, passing an...

Ngày tải lên: 12/08/2014, 11:20

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Core C++ A Software Engineering Approach phần 6 ppsx

Core C++ A Software Engineering Approach phần 6 ppsx

... the name of the city and searches for the name in the database For simplicity, I hard-coded the database in the main() function as an array of character arrays and used a simple sequential search ... consider a String class with two data members: a pointer to a dynamically allocated character array and the integer with the maximum number of valid characters that can be inserted into the dynamically ... say, "All right, we made a commitment that these two variables, v and t, be the same Now you are changing t Small wonder that v also changes." In a sense, they have a point If the variables are...

Ngày tải lên: 12/08/2014, 11:20

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Core C++ A Software Engineering Approach phần 8 pps

Core C++ A Software Engineering Approach phần 8 pps

... treated as the specialization (subclass) If a class is used as a superclass for several specializations, each class is represented on the class diagram separately, and each specialization class ... that a Person object can be related to a Car object, and a Car object can be related to a Person object and a Registration object Each association has two labels, one for traversing the association ... used as a generalization for another class, this other class becomes its specialization, and the same notation is used A class can inherit from one class and be used as a base class for another...

Ngày tải lên: 12/08/2014, 11:20

120 297 0
Core C++ A Software Engineering Approach phần 9 ppsx

Core C++ A Software Engineering Approach phần 9 ppsx

... available not available hidden not available hidden syntax error not available not available syntax error not available dynamic binding crash crash crash available available available Pure Virtual ... (non-virtual) Redefined in Derived (virtual) Base Pointers Derived Pointers Base object Derived object Base object Derived object available available available available available hidden available available ... base class B2 has another data member, and the derived class has yet another data member (a dynamically allocated character array) The Derived class should provide a constructor with three parameters...

Ngày tải lên: 12/08/2014, 11:20

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Core C++ A Software Engineering Approach phần 10 potx

Core C++ A Software Engineering Approach phần 10 potx

... rather than one-to-many: Class Stack needs a Node object that is instantiated to the same actual type as class Stack itself A good way to achieve that is to define class Stack as a template and ... template // empty template list class Array { // type of specialization char* *data; // heap array of data int size; // size of the array Array(const Array&); operator = (const Array&); ... separate class with a separate name, for example, CharArray The advantage of writing a separate class is that there is no doubt which class is used to instantiate the object The disadvantage...

Ngày tải lên: 12/08/2014, 11:20

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Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 1 docx

Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 1 docx

... In a conventional receiver, the acquisition and tracking are performed by hardware From the navigation data phase transition the subframes and navigation data can be obtained Ephemeris data and ... using the software approach to build a GPS receiver is that the approach can drastically deviate from the conventional hardware approach For example, the user may take a snapshot of data and process ... Navigation Data Bits Telemetry (TLM) and Hand Over Word (HOW) GPS Time and the Satellite Z Count Parity Check Algorithm Navigation Data from Subframe Navigation Data from Subframes and Navigation...

Ngày tải lên: 14/08/2014, 10:22

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Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 2 ppsx

Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 2 ppsx

... form as adx dr (2.14) where dr and dx are vectors, a is a matrix They can be written as dr [dr1 dr2 ··· drn ]T dx [dx u dyu dzu dbu ]T a1 1 a a       21 a3 1 a4 1 a n1 a1 2 a2 2 a3 2 a4 2 a1 3 ... Lc and they are measured from the ideal spherical earth The three unknown quantities are the geodetic latitude L, the distance r , and the height h All three quantities are calculated from approximation ... relation a circle with radius equal to the semi-major axis ae is drawn as shown in Figure 2.6 A line is drawn from point A perpendicular to the x-axis and intercepts it at E and the circle at...

Ngày tải lên: 14/08/2014, 10:22

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Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 3 potx

Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 3 potx

... ellipse and the circle can be related as QP SP as bs (3.22) Therefore, the area PSV can be obtained from area PQV as area PSV bs area PQV as bs as [ bs (area OQV − area OQP) as 2 as E − a sin E ... Table 3.1 indicates that the satellite rotates around the earth twice in a sidereal day The sidereal day is slightly different from an apparent solar day The apparent day has 24 hours and it is the ... antenna and the accuracy of the solid angle of the antenna because the power cannot be cut off sharply at a desired angle If the receiving antenna has a unit gain, the effective area is(16) Ae...

Ngày tải lên: 14/08/2014, 10:22

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Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 4 potx

Fundamentals of Global Positioning System Receivers A Software Approach - Chapter 4 potx

... the earth’s universal gravitational parameter and is a constant, as and Dn are obtained from ephemeris data From this n value the mean anomaly can be found from Equation (4.23) as M M + n(t c − ... as a pivot and rotate angle i This angle i is the angle between the satellite orbit plane and the equator plane and is referred to as the inclination angle This inclination angle is in the data ... single transform from one coordinate to another one, but the transform can be achieved in a step-by-step manner For example, if the transform is to rotate angle a around the z-axis and rotate angle...

Ngày tải lên: 14/08/2014, 10:22

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