选择一个合适的采样频率是保证数据采集系统可靠工作的关键。
An appropriate sampling frequency is the key of the data acquisition system reliable work.
对文件大小的贡献，按重要性的顺序，依次是视频比特率、音频采样频率、音频比特率，然后是帧速。
Contributing to the file size, in order of importance, are the parameters that set the video bit rate, audio sample frequency, audio bit rate, then frame size.
采样定理是采样过程中所遵循的基本规律，它指出了重新恢复连续信号所必需的最低采样频率。
In the course of the sampling, the sampling theorem is a basic rule and points out the least sampling frequency for reconstructing the signals.
你知道采样率是恒定的，你只是不知道频率。
You know that the sampling rate is constant, you just don't know its frequency.
合理选择采样频率是设计实时数字控制系统遇到的实际问题。
How to select sampling frequency reasonably is an actual problem in designing the real time digital control system.
给出了数据采样频率是物理量变化频率10倍、8倍和6倍以上时测量精度的适用范围。
And it gives the suitable limits of measurement precision respectively, when the sampling frequency of data is 10 times. 8 times and 6 times of the frequency of physical change.
传统的解决方法是采用频率跟踪技术实现采样的整周期性。
It is traditional to use frequency tracking to realize integer period sampling.
频率采样技术是FIR数字滤波器设计的常用方法之一。
Frequency sampling is one of the popular methods in FIR digital filter design.
通过对交流电信号采样的讨论，指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.
APDFT方法兼有窗函数法和频率采样法的优点，是一种设计FIR滤波器的新方法。
The APDFT method is a new scheme for FIR filter design, possessing concurrently the merits of the windowing and the frequency sampling method.
对于超高速数据采样频率来讲，一般的数据传送系统是不能满足要求的，在这里介绍了一种在板存储器方式传送数据方式。
For the exceeding-speed data gathering frequency, the common data transmission system is to can't up to the request, here introduces a kind of on -board RAM transmission method.
信号的输出频率与输入频率的比值，和播放采样率与纪录采样率是一样的。
The ratio of the input frequency to the output frequency of the signal is the same as the ratio of the recording sampling rate to the playback sampling rate.
采样率是速度，原来的模拟信号进行采样的数字值（可能是频率）。
The sample rate is simply the rate at which the original analog signal is sampled to digital values (probably representing frequences).
根据Nyquist定理，采样率必须是被测信号最高频率分量的两倍以上。
According to the Nyquist Theorem, the sampling rate must be more than twice the maximum frequency component of the signal being measured.
系统处理的是连续视频信号，数据量大，采样频率高，本文采用了一种利用FIFO的帧中斯管理方法来解决视频信号的采集问题。
The sampling rate of continuous video data processed by the system is high , so we use a method by the use of FIFO frame buffer to capture the video.
系统处理的是连续视频信号，数据量大，采样频率高，本文采用了一种利用FIFO的帧中斯管理方法来解决视频信号的采集问题。
The sampling rate of continuous video data processed by the system is high , so we use a method by the use of FIFO frame buffer to capture the video.
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