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可编程逻辑 扩频通信芯片STEL-2000A的FPGA实现
针对传统集成电路（ASIC）功能固定、升级困难等缺点，利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块，在下变频模块调用了硬核乘法器并引入CIC滤波器进行低通滤波，给出了DQPSK解调的原理和实现方法，推导出一种简便的引入?仔/4固定相移的实现方法。采用模块化的设计方法使用VHDL语言 ...
可编程逻辑 基于FPGA的光纤光栅解调系统的研究
 波长信号的解调是实现光纤光栅传感网络的关键，基于现有的光纤光栅传感器解调方法，提出一种基于FPGA的双匹配光纤光栅解调方法，此系统是一种高速率、高精度、低成本的解调系统，并且通过引入双匹配光栅有效地克服了双值问题同时扩大了检测范围。分析了光纤光栅的测温原理并给出了该方案软硬件设计，综合考虑系统的解 ...
其他书籍 Engineering a Compiler. A good and famous book written by Keith Cooper for engineers. It includes pr
Engineering a Compiler. A good and famous book written by Keith Cooper for engineers. It includes principle for compiler and more focused on engineering sides.
技术管理 The concept of sustainable development has received growing recognition, but it is a new idea for m
The concept of sustainable development has received growing recognition, but it is a new
idea for many business executives. For most, the concept remains abstract and
theoretical.
Protecting an organization’s capital base is a well-accepted business principle. Yet
organizations do not generally rec ...
技术管理 The concept of sustainable development has received growing recognition, but it is a new idea for m
The concept of sustainable development has received growing recognition, but it is a new
idea for many business executives. For most, the concept remains abstract and
theoretical.
Protecting an organization’s capital base is a well-accepted business principle. Yet
organizations do not generally rec ...
系统设计方案 The development of a data acquisition card based on USB bus is introduced in this article.It first d
The development of a data acquisition card based on USB bus is introduced in this article.It first describes the configuration and principle of this card in the part of hardware design,and then the application program and device driver in the part of software design.Data acquisition program in firmw ...
文件格式 We present a particle filter construction for a system that exhibits time-scale separation. The sep
We present a particle filter construction for a system that exhibits
time-scale separation. The separation of time-scales allows two simplifications
that we exploit: i) The use of the averaging principle for the
dimensional reduction of the system needed to solve for each particle
and ii) the factor ...
书籍源码 ET++ is a portable and homogenous object-oriented class library integrating user interface building
ET++ is a portable and homogenous object-oriented class library integrating user
interface building blocks, basic data structures, and high level application framework
components. ET++ eases the building of highly interactive applications with consistent
user interfaces following the direct manipula ...
数值算法/人工智能 程序设计思路 在动态规划中
程序设计思路
在动态规划中，可将一个问题的解决方案视为一系列决策的结果，要考察每个最优决策序列中是否包含一个最优子序列。所以在最短路径问题中，假如在的第一次决策时到达了某个节点v，那么不管v 是怎样确定的，此后选择从v 到d 的路径时，都必须采用最优策略。利用最优序列由最优子序列构成的结论，可得到f 的递归 ...