流水线结构

In order to reduce the quantization error of pipelined A/D converter, a simple and efficient modified algorithm is presented.

为了减小流水线结构A/D转换器的量化误差，提出了一种简单有效的改进算法。

This invention discloses a multi-queue sequence buffer management circuit and a method based on a pipeline applying a pipeline structure including: an arbitration circuit selecting one for process from read, write and distribution buffer requests, a buffer slot state module designing state of the slot requiring operation and queue numbers and assigning idle slots, a buffer slot filter module filtering the slot, a buffer slot filter module filtering the slot states not belonging to the current operation queues nor idle aligned in terms of the head pointer, a queue slot selection module computing continuous idle slot numbers from the slot pointed by the head pointer and refreshing the head pointer and selecting preparing slots, a queue slot prior queuing module refreshing the read pointer and result numbers of the current operation queues with the pointer of the first prepare slots and their numbers which can support multi-queue to share one buffer space, queues can access the buffer in overlap.

本发明公开一种基于流水线的多队列顺序化缓冲管理电路及方法，本发明电路采用流水线结构，包括：仲裁电路，从读、写、分配缓冲请求中选取一路进行处理；缓冲槽口状态设置模块，设置请求操作的槽口状态和队列号，分配空闲槽口；缓冲槽口滤除模块，滤除不属于当前操作队列且非空闲态的槽口状态，按头指针对齐；队列槽口选择模块，计算头指针指向槽口起的连续空闲槽口数并更新头指针，选出预备态的槽口；队列槽口优先排队模块，用第一个预备态槽口的指针和预备态槽口数分别更新当前操作队列的读指针和结果数；本发明可以支持多个队列共享一个缓冲空间，各类指令队列能对缓冲进行交叉访问，并对指令结果的写入读出进行顺序化管理。

AT FIRST THIS PAPER DESCRIBES THE PIPELINE STRUCTURE, INSTRUCTION SET, INSTRUCTION CODE, AND PIPELINE HAZARD.

阐述了MIPS五级整数流水线结构相应的指令功能及编码，以及流水线竞争中结构竞争数据相关等问题。

It's much easier to implement the scalable FFT processor based on multilevel pipeline processing architecture.

特别是流水线结构使得FFT处理器在进行不同点数的FFT计算时可以通过对模块级数的控制很容易的实现。

The real-time compution of FFT with high-speed and large capacity of data flow can be realized by parallel data processing or multilevel pipeline processing.

面向高速、大容量数据流的FFT实时处理，可以通过数据并行处理或者采用多级流水线结构来实现。

Pipeline ADC; System level model; Sample and Hold Circuit; MDAC; Digital Correction; Operational Amplifier

流水线结构；系统级模型；采样保持电路； MDAC；数字校正；运算放大器

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

The pipelined implementation shows that the new algorithm occupies about 1/16 of the old one.

采用流水线结构的硬件实现表明，新算法占用的资源大约为原来的1/16。

In the experiment,simulators for PISA and StrongARM are generated,and some research on design space exploration about application of encryption and decryption based on this platform is made,thus to demonstrate the retargetability and validity of the environment.

实验部分完成了PISA和StrongARM两种体系结构的周期级模拟，并进行了针对加解密应用的流水线结构设计空间搜索的研究，证明了该环境的可重定向性和有效性。

The pipelined CORDIC architecture is very suitable for FFT butterfly operation because of its high throughput and regularity, but it will consume lots of resources,this article presents an improved architecture of CORDIC pipeline,starting with the property that the FFT rotary factor is fixed but not arbitrary,and according to the mapping between the basic rotational angle of CORDIC and scale factor and the rule for transform among the scale factors.On the condition that the velocity of FFT butterfly operati...

CORDIC流水线结构因其高吞吐率及规整性，而很适合于FFT蝶形运算，但其缺点是耗资源多，本文从FFT中旋转因子固定不任意的特点出发，根据CORDIC基本旋转角度与缩放因子的对应关系和缩放因子之间的转换规律，对CORDIC流水线结构进行了改进，在蝶形运算速度不变的情况下，进一步减少所耗资源，在字长为16位的FFT中，每个旋转因子可用25位的控制序列来替代，从而使每个旋转因子的存储空间由32位减少到25位。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。