Finishing one time of grain renewing in sampling channel needs about 28 seconds.
历时28秒左右取样通道完成一次谷物更新。
CPLD controls the switching of sampling channel and the reading and writing of converted data.
用CPLD控制采样通道的转换，读写转换数据。
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
Then, the thesis discussed the proceeding of the simulating channel part, digitally sampling module, FPGA logically controlled module and AD/DA module, including their chips, realization and notice.
接着，分别介绍了模拟通道部分、数字取样模块、FPGA逻辑控制模块及数模转换模块，包括它们的芯片选择、实现方法和注意事项等。
The frequency aliasing due to sub-Nyquist sampling can be resolved by the proposed frequency aliasing resolving algorithm and information from the time-delay channel.
文中，欠采样所引入的频率模糊由增加的延迟通道提供的信息加以消除，并提出了相应的频率解模糊算法。
The thesis introduces the design of multiple channel sampling system.
介绍了多通道采样系统的设计。
The parameter panel includes trigger channel selection, trigger level, trigger delay, sampling frequency selection and sampling depth.
参数界面含触发通道选择、触发电平、触发延迟时间、采集频率及采集深度等设置。
The overall design scheme, as well as its principle and characteristics, are presented. With powerful CPLD, the sampling rate and channel number of the system are programmable.
给出了可编程采样系统的整体设计方案，利用CPLD强大的硬件可编程能力实现系统采样频率和采样通道数的可编程设置，介绍了其原理和特点。
Analog and digital leading industry sampling rate combination allows each channel and multi channel measurement comprehensive analysis.
行业领先的模拟和数字采样率组合允许逐通道全面分析和多通路测量。
An implementation strategy of 16-channel synchronous integrated period sampling by using PCL818 data acquisition module is introduced.
介绍了一种利用PCL818数据采集卡进行16通道同步整周期采样的实现方案。
The main panel displays two channel sampling signal, the repeated projectile velocity and the firing rate.
主界面显示两通道弹丸过靶波形、弹丸速度及连发弹射频。
Methods the sampling sites were choosed according to pollutants drained along the Luan River-diverted channel, the situation of crossing with other rivers and the distribution of water brakes.
方法根据引滦河道的排污、与其他水体交叉及其倒虹闸的分布情况确定采样监测点。
The temporal sub-sampling technique of the video sequence is very important for the video transmission in the low-bit-rate channel and the video storage in the limited storage space.
视频序列的时域亚采样对于低比特率信道上的视频传输和存储空间受限条件下的视频存储具有十分重要的意义。
Aiming at the issues, the paper presents two methods, the multi-channel non-gapped sampling technique on-line and recursive FFT algorithm.
针对上述问题，本文提出了两种方法：在线多通道无缝采样分析技术和递推fft算法。
The difference clock delay match technology adjusts the two channel AD analog clock phase and implements the two way AD uniformly-space sampling.
差分时钟延迟匹配技术通过对两路AD的采样时钟进行相位调整，实现了两路AD的等间隔采样。
Firstly, the theory of multi-channel derivative sampling is described and the compact perfect reconstruction condition is given.
首先阐明了多阶微分采样的原理，给出了更为简洁的完美重构条件。
Job sampling: which recruiting channel is suitable?
工作模拟：那种招聘渠道适合？
This card not only has the function of four-channel simultaneous sampling, but also has two channels for D/A, eight channels for digital I/O.
本卡不但具有四路同步A/D转换功能，而且还具有两路D/A输出功能和八路数字量输入输出功能。
Measure of simultaneous-sampling two channel signals sent from grating sensor, and soft-subdividing of moiré fringes in 200 based on simple system composed of DSP and MAX115 were introduced.
介绍了利用DSP和MAX115构成的系统对光栅传感器的两路输出信号进行高速同步采集，以及对光栅信号实现200倍频的软件细分方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
The 12-channel IF sampling digital receiver array board is debugged and tested.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
The 12-channel IF sampling digital receiver array board is debugged and tested.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
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