Instantaneous heat effect estimated with microcomputer-aided heat exchange calorimetry involving analog computation
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Relative to digital computation, analog computation has been neglected in the philosophical literature. To the extent that attention has been paid to analog computation, it has been misunderstood. The received view -- that analog computation has to do essentially with continuity -- is simply wrong, as shown by careful attention to historical examples of discontinuous, discrete analog computers. Instead of the received view, I develop an account of analog computation in terms of a particular type of analog representation that allows for discontinuity. This account thus characterizes all types of analog computation, whether continuous or discrete. Furthermore, the structure of this account can be generalized to other types of computation: analog computation essentially involves analog representation, whereas digital computation essentially involves digital representation. Besides being a necessary component of a complete philosophical understanding of computation in general, understanding analog computation is important for computational explanation in contemporary neuroscience and cognitive science.
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Analog image processing
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Using multi microcomputer digital and analog mixed simulation technique , the digital simulation of mathematical model of a subsystem of the whole process inside each microcomputer was carried on, and the main calculated variables are transmitted or outputed among microcomputers through AD/DA plates as analogue. The work conditions of each microcomputer were transmitted to a host for monitoring or display by serial communication. This technique was successfully applied on distribution simulation test bench of microcomputer system for DF 6 locomotive.
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The serial communication between computer and single-chip microcomputer is mainly introduced in this paper. The data,the computer receiving from or sending to single-chip microcomputer ,is transmitted through the control of MSComm and stored in the file. The data ,the single-chip microcomputer receiving from computer,is used to set the working parameter of single-chip microcomputer. The data,transmitted at intervals from single-chip microcomputer to computer,is mainly the data produced in or detected by single-chip microcomputer. The program is edited in assembly language.
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Relative to digital computation, analogue computation has been neglected in the philosophical literature. To the extent that attention has been paid to analogue computation, it has been misunderstood. The received view—that analogue computation has to do essentially with continuity—is simply wrong, as shown by careful attention to historical examples of discontinuous, discrete analogue computers. Instead of the received view, I develop an account of analogue computation in terms of a particular type of analogue representation that allows for discontinuity. This account thus characterizes all types of analogue computation, whether continuous or discrete. Furthermore, the structure of this account can be generalized to other types of computation: analogue computation essentially involves analogue representation, whereas digital computation essentially involves digital representation. Besides being a necessary component of a complete philosophical understanding of computation in general, understanding analogue computation is important for computational explanation in contemporary neuroscience and cognitive science.
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Analog computer
Discontinuity (linguistics)
Symbolic-numeric computation
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Previous studies on cylindrical Green's functions are limited to the conventional sequential computing. With the aid of graphic processing unit (GPU), the computation efficiency has been dramatically increased through parallel computing large numbers of spatial cylindrical Green's functions.
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ABSTRACT A solid-state analog computer circuit was designed to compute heat flow in various parts of a solar-heated poultry brooding facility. The computer was scanned and reset by a microcomputer-based data adquisition system. Six of the heat flow computers, whose accuracy was ap-proximately 2 percent, have been used for several months. Circuits for measuring average wind speed and solar radiation are also described. The heat flow computer reduced the quantity of digital data we needed to record by several fold without a cor-responding loss of information.
Micro computer
Reset (finance)
Heat flow
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From the compuing problems of quantity-value transformation for received input signals of analog quantitys with PLC, a general computation expression between the analog value in the analog quantity input module of PLC and the physical quantity measured by a sensor is concluded, which is deduced into some examples. For the computation of quantity-value transformation of analog values disposed by PLCs, the concluded general computation expression has universal guiding significance.
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Value (mathematics)
Analogue electronics
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MSP430 single-chip microcomputer is now used extensively in the domestic country.For this reason,MSP430 single-chip microcomputer and the traditional MCS-51 single-chip microcomputer are compared in data acquisition application.It is known that MSP430 single-chip microcomputer is simpler and easier than MCS-51 single-chip microcomputer in data acquisition application.It is also pointed out that the basic knowledge of single-chip microcomputer is necessary for using MSP430 single-chip microcomputer to develop data acquisition system,and the developers should select appropriate single-chip microcomputer for their own specific situation.
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