位宽

基于FPGA的位宽可扩展多路组播复制的实现

The Implementation of Bit wide Expandable Multipath Multicast copy based on the FPGA

回波信号的处理需要采用高阶数，大位宽的FIR滤波器。

Echo signal processing FIR needs high order transfer function and large bit-width .

根据算法，提出了FFT处理器的硬件实现结构，并通过仿真确定了系统各模块的定点位宽。

Based on the algorithm , the implementation method of FFT processor is proposed , and the fixed point width of each block is decided by simulation .

DA算法的处理速度仅与输入的位宽有关，对于大规模乘积和的运算，其计算速度有着明显的优势。

The processing speed of circuits using DA is only dependent on its input width . It has obviously advantages when applied in big scale calculation of sum of products .

本文设计了简化的AHB总线从模块接口，支持32位数据位宽和单个读写、固定长度突发传输两种模式。

A simplified AHB slave interface is designed , which supports single operation and fixed length burst operation .

通过可配置性和参数化的设计，使用户能够根据自己需要随意选择IP核支持的功能模式、总线位宽、FIFO深度及宽度等配置。

Based on configurable and parametric design method , the IP core user can choose the function mode 、 FIFO ( First In First Out ) depth and width bus width and any other configuration freely .

不过，它支持一种31位宽的字符类型，这种字符类型通常称为wchart，它与其他标准兼容的C库通常支持的8位字符类型有很大的差别。

It does support , however , a31-bit-wide character type , usually referred to as wchar_t , which is quite unlike the8-bit character type usually supported by other standard-compliant C libraries .

在信号处理过程中避免了由于削减信号数据位宽而导致非线性失真。（3）调制复用模块：包括QPSK调制、频率交织、差分运算以及OFDM等主要子模块。

None linear distortion is avoided during signal processing . ( 3 ) Modulation and multiplexing module : this module consists of several sub-modules such as QPSK modulation , frequency interleaving , differential modulation and OFDM .

在RBE的信息页面中有些框框显示显存数量、类型、位宽和显卡接口这些信息的。

In RBE 's info tab , there are some boxes for displaying RAM amount , type , interface and video card interface .

在输入和输出链路控制FPGA的设计中，提出了一种数据位宽可配置的对角交叉校验编码的算法，解决了在FPGA中实现PL4接口的关键难题。

A new algorithm of Diagonal Interleaved Parity is developed for the data with bit-width configurable , which can be realized in FPGA , so the realization of POS-PHY Level 4 in FPGA is resolved .

研究表明，根据输入输出变量的统计特性分析，可以预先确定Turbo码定点译码中的数据定点位宽和相关归一化参数。最后，本文讨论了中继通信系统下基于Turbo码的协作编码技术方案。

It is shown that both the data width for quantization processing and the respective normalization parameters could be derived by using the input-output statistics analysis . Finally , the coded cooperation scheme based on Turbo codes is discussed for wireless relay network .

结果显示在LCD控制器中采用动态抖动算法及帧速率控制技术，如果每一象素数据的位宽是8比特，则单色图象的显示效果可高达256级灰度，彩色图象高达2563彩色。

Results show that the gray shades displayed on images can be up to 256 for monochrome LCD panels or 2563 colors for color STN LCD panels respectively by using dynamic dithering algorithm and frame rate control technique if each encoded pixel data is 8 bits .

Montgomery模乘单元基于本文提出的一种双域统一的以字为处理位宽的高基数Montgomery模乘算法，其核心为多处理单元流水计算架构，支持双域任意位宽操作数的模乘运算。

The Montgomery modualr multiplication unit which is based on the proposed dual-field unified high radix Montgomery modular algorithm using word as the processing width , has the kernel of multiple processing elements pipeline architecture and can support the dual-field modular multiplication of any operand width .

我显卡的显存数量、位宽没有正确显示。

My card 's RAM amount and interface are not displayed properly .

动态可重构系统及其循环计算的位宽管理方法研究

The Research on Dynamic Reconfiguration System and Its Bit-Width Management for Loop Computations

对模型，模块的位宽问题进行了重点讨论。

In addition to , the issues of model ' width is emphatically discussed .

其实，根本就没有显示显存数量和位宽。

In fact , there is nothing displayed for RAM amount and interface at all .

降低译码信息的量化位宽能有效地降低译码器硬件复杂度。

Reducing the quantization word length of decoding information can effectively decrease the hardware complexity .

采用该架构实现的细胞神经网络减少了硬件资源的占用以及总线的位宽。

Implementation of the CNN with the proposed architecture requires a low hardware complexity and a small number of bus lines .

再通过4字节并行输入设计和模式字符串分组，提高了系统输入位宽和系统最高工作频率。

With the use of 4 bytes input in parallel and pattern strings grouping , we improved system input bit-width and system working frequency .

但各种算法之间的移位位宽和移位长度并不一致，所以现有的密码处理系统中还没有一个通用的移位单元支持所有对称密码算法的移位操作。

Since the data width and shift length are varied from different algorithms , there had not a general shift unit supporting all shift operations .

例如在空间技术中，要检测的高频微弱信号需要足够的数据位宽来保证测量的精度。

For example , enough data width is required to ensure the measurement accuracy in the application of space technology when high-frequency weak signal being detected .

而本文提出的循环计算动态位宽管理框架，尤其是基于遗传算法的动态位宽管理方法，减少了所消耗的系统资源，提高了循环计算的处理性能。

Furthermore , the dynamic bit-width management frame for loop computing that the article provided , especially the dynamic bit-width management improving the level of management ;

为了满足精度要求，航向角的数字码位宽为16位，即系统动态范围约为0.0055°。

In order to meet the precision requirements , digital bit of course angle is 16-bit code , i.e. the system dynamic range is about 0.0055 ° .

这些专用停车位均用粉色标出，带有女士尊享的标识，比一般停车位宽出11英寸（28厘米）。

They 're marked out in pink with the message Ladies Only . They give about 11 inches ( 28cm ) more room than the average space .

细胞自动机具有初始状态可变化，演化规则可选择，位宽可变等可变因素，这些可变因素能够进一步增强密钥系统的安全性。

The cellular automata have many variable factors , such as initial condition , evolution rules and bit-wide , etc. These variable factors further enhance the safety of key-generation system .

本设计还将长位宽的存储器分割成两个短位宽的存储器，并在蝶形运算单元中通过数学变换将实数乘法器的个数从4个减少为3个，进一步降低了功耗。

A long-bit memory was divided into two short-bit memories and the number of real multiplications in butterfly was decreased from 4 to 3 to father reduce the power consumption .

为了保证重建图像质量，对小波变换算法的定点实现模型进行了软件仿真，确定了小波系数的存储位宽。

The fixed point model of wavelet transform is simulated by software tool to ensure high quality of reconstructed image , and then the bit width of wavelet coefficients is ascertained .

验证数制、舍入方式等对控制效果的影响，慎重选择位宽，寻求控制效果与资源消耗之间的平衡。

The thesis also verifies the number system and rounding procedure impacts on control performance . It also seeks the balance between control performance and resource consumption by carefully chosen the bits wide .

而且发现就最大化偏振度技术对差分群延时的容许范围而言，脉冲的1/e强度半宽取0.45个位宽（11.25ps）是最优的。

Furthermore , an optimal pulse width is found with regard to maximizing the tolerable DGD range , which is 1 / e-intensity half width equal to 0.45 bit period ( 11.25 ps ) .