關于FPGA流水線設計的論文
This work investigates the use of very deep pipelines for
implementing circuits in FPGAs, where each pipeline
stage is limited to a single FPGA logic element (LE). The
architecture and VHDL design of a parameterized integer
array multiplier is presented and also an IEEE 754
compliant 32-bit floating-point multiplier. We show how to
write VHDL cells that implement such approach, and how
the array multiplier architecture was adapted. Synthesis
and simulation were performed for Altera Apex20KE
devices, although the VHDL code should be portable to
other devices. For this family, a 16 bit integer multiplier
achieves a frequency of 266MHz, while the floating point
unit reaches 235MHz, performing 235 MFLOPS in an
FPGA. Additional cells are inserted to synchronize data,
what imposes significant area penalties. This and other
considerations to apply the technique in real designs are
also addressed.
describes the most common terms used in radarsystems, such as range, range resolution, Doppler frequency, and coherency.
The second part of this chapter develops the radar range equation in many of its forms. This presentation includes the low PRF, high PRF,search, bistatic radar, and radar equation with jamming.
% This program calculates radar ranges in a jamming environment. It works
% with both Stand-off jamming and self-screening jamming for steady and Swerling type
% targets with frequency agility, coherent integration and standard atmosphere/rain
% attenuation
本文簡要介紹了集成電路MAX038的性能,并給出了以MAX038波形產生器為核心具有四種輸出波形的函數
信號發生器的設計方案。用這種方法設計的信號發生器具有結構簡單、成本低、體積小等特點,很好地滿足
了一般的實驗要求。
關鍵詞:集成電路 信號發生器 頻率
Abstract:The performance ofIC_MAX038 was introduced briefly in this paper.At the sa/ne time,a signal generator design making
with integrated circuit MAX038 is provided,which can produce four kinds of waveforms output.The signal generator
was of characters such as simple structur,cheap expense,small volume and SO on.The signal generator contents the
demand of general experiments very wel1.
Key words:Integrated circuit Signal generator Frequency
Octane v1.01.20
The Open Compression Toolkit for C++ .
The Open Compression Toolkit is a set of modular C++ classes and utilities for implementing and testing compression algorithms.
Simple interface and skeleton code for creating new compression algorithms.
Complete testing framework for validating and comparing new algorithms.
Support for algorithms that use external dictionaries/headers.
Utility classes and sample code for bitio, frequency counting, etc.
Solutions are obtained for Poissson, diffusion, or wave PDEs homogeneous or nonhomogeneous equations and/or boundary conditions rectangular, cylindrical, or spherical coordinates time, Laplace, or frequency domains Dirichlet, Neumann, Robin, singular, periodic, or incoming/outgoing boundary conditions. Output is suitable for pasting into LaTeX documents.
3D reconstruction, medical image processing from colons, using intel image processing for based class. This source code. Some code missing but I think you can understand it. Development version. This source code is very interesting for learning segmentation and registration from dataset. This code also has some technique about GPU image processing for ray tracing. Also learn many filter apply for transform from spatial domain to frequency domain.
Jitter is extremely important in systems using PLL-based
clock drivers. The effects of jitter range from not having any
effect on system operation to rendering the system completely
non-functional. This application note provides the reader
with a clear understanding of jitter in high-speed systems. It
introduces the reader to various kinds of jitter in high-speed
systems, their causes and their effects, and methods of reducing
jitter. This application note will concentrate on jitter in PLL-based frequency synthesizers.
A self-designed control of PC parallel port communication is introduced in this paper.Taking advantage of the MFC ActiveX technology, it is developed in Visual C++ and offset the scarcity of the control of PC parellel paort communication. An example of frequency measurement shows the detail procedure and application of the control.