However , stam method significantly reduces hardware resource taken up by the lookup table , and need not to execute iteratively . and it can rapidly fulfill one time computation in an instruction period 而stam方法极大的减小了查表法占用的硬件资源，而且不必循环执行，可以在一个指令周期内完成一次计算任务，运算速度快。
Real - time production of doppler shift with a minimum precision of 0 . 1 hz is realized by means of interpolation on the basis of lookup method ; simulation of doppler spread is realized by using the gaussian shaped fir filter and linear interpolation technique . 3 在查表法基础上结合内插技术,实现了最小精度为0 . 1hz的多普勒频移的实时产生;运用高斯型fir滤波器结合线性内插技术的方法,实现了多普勒扩展的仿真。
In designing , the experience of electrical engineers is considered , so this fuzzy system should be more suitable for the practice . the fuzzy system comes into realization by querying control table , in this way the mcu would have less calculation and a high executing speed 在设计时考虑到了变电站实际工作人员的操作经验，确定了电容器调节优先的策略，这样将会使得该控制系统更加切合实际使用的要求：同时用查表法实现模糊控制在线计算量不大，运行速度快。
According to the following design theory : the dsp calculates in real time and produces three phases spwm waves to control the on or off of the 6 igbts in ipm respectively . ipm then inverts the commutated single phase direct current ( insulated gate bipolar transistor ) into three phases alternating current . when modulated signals of spwm are changed , the on - off time of switches also changes , so as to the voltage and frequency of output signals 本文提出了一种基于dsp (数字信号处理器tms320f240 )的通用的三相间接变频电源系统，利用分段同步调制法和混合查表法，实时计算不同频率下的采样周期、电压幅值、输出脉宽，产生双极性spwm波形，经驱动放大后用于ipm ( intelligentpowermodule )中的绝缘栅双极型晶体管栅级驱动，以控制电源的输出电压和频率，实现变频电源的智能数字控制。
On account of the importance of channels , we also discuss the characteristic of time - varying and fast - fading mobile channels and introduce channel modeling and a method of high - speed simulation for fading channels by using table look - up technique . in addition , because these approaches are simulated on the basis of 3rd generation partnership project ( 3gpp ) 由于信道在研究时变衰落移动通信信道的估计与均衡中缺一不可，文中还讨论了衰落信道的统计特性和动态特性，快速衰落时变信道的建模和一种使用查表法的快速信道仿真的算法。
The concrete design method of the votating speed difference frequency fuzzy controller is studied in detail . based on single - chip microcomputer 8031 , using table look - up method , votating speed difference frequency fuzzy controller applied to induction motors is implemented . simulation result demonstrates that the control result for the producing plastic flat yarn of votating speed difference frequency fuzzy control to the speed of induction motors is idealer 本文对转差频率模糊控制器的具体设计方法进行了讨论：以单片机为核心，用查表法实现异步电动机转差频率模糊控制；最后，结合工厂塑料平膜拉丝机驱动电机参数对系统进行了仿真，分析了转差频率模糊控制对异步电动机转速的控制效果，结果是比较理想的。
This paper analyses and studies the design method of optical divide ratio of two way optical distributor in star optical fiber transport network , reaches a simple method to design optical divide ratio of two optical distributor : tabulated solution method and graph method , and then analyses and summarizes the characteristic and law of function curve , the five - point conclusion are presented finally 摘要对星形光纤传输网络中的光二分路器分光比的设计作了分析和研究，得到一种设计光二分路器分光比的简便方法查表法和曲线图解法，并对相关函数关系及其曲线特征与规律作了分析，得出了5条结论。
The software design uses c51 high - level language to write the modularization programme . by dint of matlab , the precision of system improve by software compensation . in order to avoid the blindness of temperature coefficient , meanwhile , an auto - temperature compensation way via single - chip is brought out 软件部分使用c51高级语言编写模块化程序,并借助matlab的数据拟合功能,实现对误差的软件补偿,提高了测量精度;同时提出了一种运用单片机实现测量系统自动温度补偿的在线查表法,避免了传统的选择温度补偿系数存在的盲目性。
The papers in the analysis of the figures orthogonal frequency conversion technology basis , more traditional lut and cordic ( coordinate rotation digital computer ) , analysis of the superiority of the latter ; and the use of verilog programming to maxplus ii software for the simulation environment , conducted in fpga devices based on the structure of the cordic simulation of frequency conversion 本论文在分析数字正交下变频技术的基础上,比较了传统的查表法和基于cordic算法的结构,分析了后者的优越性;并用verilog编程,以maxplus软件为仿真环境,在fpga上进行了基于cordic算法流水线结构的下变频仿真。
Making use of the ridge tracing results , the algorithm can obtain some attributes of the feature points . combining the attributes and the local structural information , it can identify and eliminate the false feature structures , so as to eliminate the false features . ( 3 ) in the matching section , a reference point orientation algorithm based on block direction and its sine component is given at first 前者把8邻域编码技术和查表法引入到纹线跟踪中，提高了纹线跟踪的速度；后者利用纹线跟踪的结果，提取指纹特征点的属性，并结合特征点的局部结构信息，总结出各种伪特征结构的特征，进而对其进行识别和滤除，达到滤除伪特征点的目的。
