采样速率

软件无线电中用于采样速率转换的Farrow结构滤波器设计

Design of Farrow Structure Filter Based Sample rate Conversion in Software Radio

在给定的工艺下，ADC工作的最大采样速率受限于它的分辨率。

With a given process , the maximum sample rate at which a given analog-to-digital converter ( ADC ) will operate is limited for a given resolution .

基于CPLD和DSP的不同采样速率多路数据采集系统的设计

New Method of Designing a Multi-channel Data Acquisition System with Different Sampling Rate Based on CPLD and DSP

针对这些问题提出的改进方案有：（1）由步进电机取代原来的电动机减小系统的体积提高精度。（2）引入线阵CCD采用无机械转动部件设计彻底消除机械误差提高采样速率。

No move part in SPR by used CCD device , thoroughly eliminates the mechanical error , enhances the sampling speed .

流水线结构ADC具有能同时实现高采样速率和高分辨率的特点。

The pipelined ADC architecture has the characteristics of high sampling rate as well as high resolution .

同时以该FPGA生成双口RAM，实现数据暂存，以匹配采样速率和脉压系统频率。

Design a dual-port RAM in FPGA to store the data and to match the frequency between sampling and processing system .

由采样速率的问题，引出多MCU的I2C总线结构。

I2C bus structure of multi-MCU is described , which comes from sampling speed debate .

只要严格地选取ADC的采样速率，频率估计误差就能控制在与信号带宽和其他因素有关的误差范围内。

With choosing ADC sampling rates strictly , the errors of the estimated frequencies are bounded by signal frequency band and other factors .

CCD数据采集的采样速率不仅与A/D转换器的转换速率等因素有关，同时还与数据传送方式密切相关。

The speed of CCD data acquisition is related not only to the factors , such as conversion speed of A / D converter , but also to data transmission way .

采样速率为71ml／min，相对标准差为7%。

The rate of sampling was 71ml / min and relative standard deviation was 7 % .

系统的采样速率最高可达1MHz，存储深度为1k。

The speed-rate of sampling is up to 1 MHz , and storage depth 1 k.

而新兴的压缩感知理论（CompressedSensing，CS）指出只要信号是稀疏的或者是可压缩的，我们就能以远低于奈奎斯特的采样速率对信号进行采样并能够精确的重构出原始稀疏信号。

The emerging theory of compressed sensing ( Compressed Sensing , CS ), point out that if the signal is sparse or compressible , wecan go to sample by the rate which much lower than the Nyquist sampling rate .

本论文对改进后的结构进行复杂度对比、采样速率对比和能源消耗对比，并仿真得到了各种结构的脉冲响应、频率响应和星座图，所设计的各种实现结构均在FPGA上编程下载成功。

The Comparison of improved the structures is maked in sampling rate , hardware complexity and the of energy consumption . The impulse response , frequency response and the constellation diagram are produced by simulation . It has realize for using FPGA .

其特点是信号处理速率比输入Nyquist采样速率低得多，而且其中的匹配滤波器和定时校正恢复可以在频域上有效地实现。

Its signal processing speed is far lower than the input Nyquist sampling rate while its matching filter and timed correction recovery can be effectively implemented in the frequency domain .

该硬件系统综合了CiscoSystems公司的无线Internet技术和NI公司高性能的DAQ，同时具有携带方便，免于布线，采样速率高，易于实现远距或异地遥测数据分析等优点。

This system combines wireless Internet technology of the Cisco Systems Corp. with National Instruments ' extensive DAQ capabilities . Simultaneously , it is portable , free of running cable , high sample rate , and easy to make remote access , measurement and analysis .

采样速率为136ml／min，与动力采样法现场对比测定，总不确定度为19.3%。

The sampling rate of NH_3 is 136ml / min. Compared with active device in field , the relative overall uncertainty of the passive NH_3 personal monitor is 19.3 % .

随着射频、天线和微电子技术的快速发展，特别是低成本高处理、高采样速率VLSI超大规模集成芯片的突破性进展，使得超宽带无线通信的普及成为了可能。

With the radio , antenna and the rapid development of microelectronics technology , especially in low-cost , high processing and high sampling rate VLSI very large scale integrated chip breakthrough , making the popularity of ultra-wideband wireless communications into possible .

为适应雷电波瞬态过程的特点，该仪器采样速率高达100MS／s，测量精度达0.5%。

The sample-rate is 100MS / s and accuracy is 0 . 5 % in our instru-ment . It can satisfy the need of instantaneous measurement .

为了降低和消除脉冲干扰，增加判决采样速率是一个好的方法，因为该方法可以减小DS-UWB信号能量进入USB窄带接收机的机会，实现USB测控信号的可靠传输。

In order to decrease and eliminate the interference to the USB system , it is a better way to increase the rate of judgment impulse which is can decrease the opportunity that the energy of DS-UWB signals enters the receiver of USB system .

本法采集二氧化碳的采样速率为60.0ml／min，标准差为±5.3ml／min，采集时间为1～2h，适用的浓度范围为0.03%～0.6%二氧化碳含量。

The sampling rate for carbon dioxide is 60.0ml / min , and the standard deviation is ± 5 . 3ml / min. The applicable concentration range for carbon dioxide is 0.03 ~ 0.6 % when sampling time is 1 ~ 2h .

电路的实质是一个分辨率为5bit，采样速率为125MHz，上升下降时间为4ns的电流驱动型数模转换器。

The circuit is substantially a current-steering digital-to-analog converter with 5 bit resolution , 125 MHz sampling rate and 4 ns transition time .

采样速率、滤波器转折频率和输出字速率由AD7760的外部时钟频率与配置寄存器共同设置。

The sample rate , filter corner frequencies , and output word rate are set by a combination of the external clock frequency and the configuration registers of the AD7760 .

实验结果表明，数据采集系统达到了预期效果，其采样速率为5kHz，采样分辨率为12bit，采集精度为0.1%。

This data acquisition system has reached the expectation : the sampling rate is 5 kHz , the resolution is 12 bit , and the sampling precision is 0.1 % .

使用采样速率为每秒12000个读数的数字信号处理器以及可能数千个不同的数据流，我们必须使用完全不同的方法才能迅速响应，Philp说。

With digital signal processors sampling at a rate of 12,000 readings per second and potentially thousands of different data streams we have to use a totally different approach so that we can respond quickly , Philp says .

在分析接收系统数据采集方案和不同采样速率对数据采集有效位影响的基础上，采用中频过采样技术采集数据，提出选用PCI-9820采集卡的数据采集方案，其动态范围大于75dB。

The data acquisition design for the receiver is discussed and the influence of different sampling rates on the significant digit of ADC is analyzed . The IF oversampling technique and PCI-9820 acquisition card are adopted . The dynamic range of the receiver is larger than ( 75 dB . )

数字接收机中带通采样速率的选取及种类优化

Selection and Kind Optimization for Band-pass Sampling Rates in Digital Receivers

符号速率相关的带通采样速率选取及其仿真

Selection and Simulation of Band-pass Sampling Rate with Symbol Rate Correlation

数字匹配滤波系统输出信噪比与采样速率的关系

Relation of Sampling Rate and SNR in Digital Matched Filter System

软件无线电数字前端中的采样速率转换

Application of Sample Rate Conversion Based on Software Radio Digital Front-end

将该预测方法用于色噪声的预测研究，通过改变对色噪声的采样速率，分析了色噪声预测的可能性和效果。

Then the method is used in colored noise prediction .