By setting the DDS's offset phase at given time, a single DDS can generate multi-target phase-coherence signals including LFM and general pulse for evaluated radar. 通过在特定时刻对DDS生成的信号进行补相,可以使单DDS同时生成多个目标的与被测雷达全相参的常规脉冲和线性调频回波信号。
The results indicate that by setting suitable forward median current value and forward median current time, the forward median current waveform control method can reach good controllability of the droplet growth and transition, and can achieve one pulse one droplet transfer and perfect welding quality. 结果表明,采用前中值波形控制方法,通过设置合理的中值时间和中值电流,有利于控制熔滴的长大和过渡,实现一脉一滴过渡,焊接质量好。
This investigation is of importance to supply theory and practice for optimizing intensifying combustion setting and kerosene/ air aero-valve pulse detonation engine. 研究结果为优化设计强化燃烧装置,优化设计煤油/空气气动阀式脉冲爆震发动机原理样机提供了初步理论基础。
The Keyboard Setting System and Digital Display of Pulse MIG Welding Power Source 脉冲MIG焊电源的键盘给定系统及数字显示
The system is composed of speed pulse test and reshaping circuit, logic control circuit, STD industrial control machine, setting circuit for limit of speed ratio, counter and control circuit, genesis circuit for simulating pulse. 系统的硬件组成包括速度脉冲检测与整形电路、逻辑控制电路、STD工业控制机、速度比上下限设定电路、计数器及其控制电路、模拟脉冲发生电路;
The simulation software is designed based on modularization method. It can fulfill the function of scene setting, PDW production, pulse sort and overlapping disposal. 论文采用模块化的设计思路对模拟器软件进行了开发,仿真软件能完成场景设置、脉冲描述字生成、多信号脉冲排序、脉冲重叠处理等功能。
In this paper, the Setting of parameters and the selection of trigger mode are expounded in the course of extracted data. analysing digital domain of pulse sequence generator with the 202-logic analyzer. 本交通过应用202逻辑分析仪对脉冲序列发生器的数字域分析,阐述了数据采集过程中的参数设置和触发方式的选择问题。
The relation between the setting time of the driving pulse of function synchronization and the power source of bulbs is given and a function synchronizing device is designed. 给出了电视信号与电源的函数同步驱动脉冲的时间定位关系式,设计了电光电视函数同步装置。
Investigation on intensifying combustion setting of kerosene/ air pulse detonation engine 煤油/空气脉冲爆震发动机强化燃烧装置
Objective: To study the method of setting up, practicability and the cardiovascular physiological mechanism of slippery pulse model caused by alcohol. 目的:探讨酒精性滑脉模型的建立方法、实用性及其形成的心血管生理学基础。
The standard feeling pulse is based on the two experienced Chinese medicine practioners with the same result of pulse diagnosis by double-blind, After setting up normal pulse, we began to make models which were not complete until pulse and pulse graph are stable. 1. 由两名有经验中医师双盲取脉,确定平脉后,开始造模,直至切脉和脉图出现稳定的脉象为造模成功。
System can control pulse signals through setting frequency, duty cycle and number. Pulse signals driver the linkage motion of 4 stepper motors. 系统能对脉冲信号的频率、占空比、总个数三个参数进行设置,从而驱动4台步进电机联动。
It includes the clock setting routines, LCD initialization routine, AD collection initialization routine, and pulse signal module. 软件部分采用模块化的设计方法,包括时钟设置子程序、LCD初始化子程序、AD采集初始化子程序、脉冲信号发生模块等。