The lifting technique for sampled - data control systems is studied first , and theformulas for lifting computation are derived carefully 论文对采样控制系统的提升技术进行了研究,详细推导了提升计算的公式。
According to the special structure of the sampled - data control system , the signal channel is really composed of two parts : a continuous - time part and a discrete - time one 为此，针对采样控制系统的结构特点，将频率响应分为两个通道进行计算。
The programmable logic controller ( plc ) is dealt with in terms of application of engineering and the practice in the sampling control system of coal conveyer 摘要从工程应用的角度，简述了可编程序控制器( plc )在实际的输煤采样控制系统中的具体应用。
By over - sampling the single input single output ( siso ) system , the system is transformed into a single input multiple output ( simo ) one with common poles 通过过采样控制系统的输出信号，将原单输入单输出系统转换成为一个新的与原系统具有相同输出极点的单输入多输出系统。
With the widespread application of computer , the research of data - sampled system has more practical importance , thus data - sampled system is chosen as the research object of this paper 而随着计算机的日益普及，采样控制系统的研究具有更为实际的意义，因而本文以采样控制系统作为研究对象。
This dissertation is about the h _ design for sampled - data control systems . problems from the design by using the popular lifting technique are discussed andanalyzed , and new methods for the h _ design of sampled - data systems areproposed 本论文研究采样控制系统的h _设计。分析了近年来流行的提升法在设计中的问题,提出了适用于采样系统h _设计的新方法。
The data - sampling section completes analogue - to - digital conversion using fpga and high speed adc , then transmits these data to processing communication equipment in some format . because fpga has high speed processing capacity , this section can obtain very high sampling rate 数据采集部分采用现场可编程门阵列（ fpga ）作为与模数转换器件（ adc ）的接口，在单芯片内实现了同步采样控制、数据编码传输的功能。
With the exist of fpga chip ep1k30tc144 - 3 , several hardware functions are realized in the chip , such as sample controlling logic , fifo inside , the connection circuit with pc , the connection circuit with mpu , the connection circuit with keyboard 系统采用了fpga芯片ep1k30tc144 - 3 ，并且在芯片内集成了采样控制逻辑，内置hfo ，上位机接口，单片机接口以及键盘接口等多个功能模块，使得数据采集卡的结构大大简化。
Most traditional digital signal processing and control algorithms are inherently ill - conditioned when applied in situations in which data are taken at sampling rates that are high related to the dynamics of the underlying continuous - time processes being sampled 由于计算机技术的飞速发展和自动化等领域的实际需要，离散采样控制系统得到了充分的发展。采样频率显得很高时，传统的信号处理和控制方法存在着不可避免的缺陷。
