CANopen is a networking system based on the CAN serial bus.
CANopen assumes that the device’s hardware has a CAN transceiver
and CAN controller as specified in ISO 11898.
CANopen profile family specifies standardized communication
mechanisms and device functionality. The profile family is available
and maintained by CAN in Automation (CiA), the international users’
and manufacturers’ group and may be implemented license-free.
AUTOMGEN runtime is an open source royalty free runtime for open PLCs. By using this runtime, any target systems can become compatible with the AUTOMGEN automation workshop: IEC1131 languages (ladder, SFC, etc.), 2D and 3D scada, WEB SCADA, etc
This paper presents the key circuits of a 1MHz bandwidth, 750kb/s GMSK transmitter. The fractional-N synthesizer forming the basis of the transmitter uses a combined phasefrequency
detector (PFD) and digital-to-analog converter (DAC) circuit element to obtain >28dB high frequency noise reduction when compared to classicalfrequency synthesis.
This file contains a selection of VHDL source files which serve to illustrate the diversity and power of the language when used to describe various types of hardware. The examp
terms of basic logic gates, to more complex systems, such as a behavioural model of a microprocessor and associated memory. All of the examples can be simulated using any
synthesised using current synthesis tools.
FIR濾波器的C++實現
Below are program source listings for FIR.h and FIR.cpp, the header file and class file for implementing arbitrary causal FIR filters in the Synthesis Tool Kit (STK) framework
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With the advent of multimedia, digital signal processing (DSP) of sound has emerged from the shadow of bandwidth-limited speech processing. Today, the main appli- cations of audio DSP are high quality audio coding and the digital generation and manipulation of music signals. They share common research topics including percep- tual measurement techniques and analysis/synthesis methods. Smaller but nonetheless very important topics are hearing aids using signal processing technology and hardware architectures for digital signal processing of audio. In all these areas the last decade has seen a significant amount of application oriented research.
