The two popular ways for digital signal generation are introduced in this paper.
介绍了目前流行的两种数字信号产生的方法 ,给出了直接数字合成的系统组成和原理框图 ,并对两种方法进行了比较 ,给出了部分实现结
Taking full advantage of modern LSI and digital processing technique and based on resource of AD9857 combined with FPGA chip EP20K100E ,a kind of signal generator system has been designed, which has the advantages of simple operation, programmable and fine signal performance.
充分利用现代最新发展的大规模集成电路技术和数字处理技术 ,基于 DDS芯片 AD985 7的自身资源特点 ,使之与 FPGA芯片 EP2 0 K10 0 E相结合 ,设计开发了一种信号产生系统 ,具有操作简单、可编程、信号指标良好等突出优点。
In this paper,a special signal generator for testing sonar and underwater homing device is introduced.
文章介绍用于声纳和水下寻的声系统试验测试的信号产生系统 ,系统通过计算机控制定量产生多种声系统工作所需的带有目标运动特征的多种信号 ,包括 :目标方位、距离、强度、速度、舷角等特征。
A signal generator based on AD9854;
基于DDS芯片AD9854的信号产生器设计
Multi-channel signal generator based on EDA;
基于EDA技术的多通道信号产生器的实现
A secure communication scheme based on the asymmetric structure of chaotic signal generators of the transmitter and the receiver is proposed.
提出了一种发送端与接收端混沌信号产生器“不对称”的保密通信方案。
Vibration Signal Mechanism and Test system Design of Spiral Bevel Gears
螺旋锥齿轮振动信号产生机理与检验系统设计
Study of Signal Mechanism Based on Combining Magnetic Flux Leakage and Eddy Current Testing
漏磁与涡流复合探伤时信号产生机理研究
Single Higgs Boson Signal at Next Generation Linear Photon Collider;
光子对撞机中单个Higgs粒子的产生信号
The information produced by a computer from a specific input.
输出信号计算机从特定的输入中产生的信息
The Pathological Mechanism of High Signal Intensity on T1 Weighted MR Imaging after Cerebral Ischemia: Animal Study;
脑缺血后T1WI产生高信号病理机制的动物实验
FM stereo signal generator
调频立体声信号产生器
electrophysiology signal processor
电生理学信号处理机
sine-random generator
正弦-随机信号发生器
teleprinter signal generator
电传打字机信号发生器
Inflammatory Cytokines Production of Human Monocyte Stimulated by Advanced Glycation End Products: Signal Transduction;
晚期糖基化终产物诱导单核细胞产生炎性细胞因子：信号传导机制
CT imaging consists of X-rays sent through the body to produce digitized signals that can be detected and reconstructed by computers.
CT显像由X线穿透机体产生可检测的数字信号和计算机重建组成。
SIMULATION STUDY ON MODELS FOR MECHANISMS UNDERLYING EEG OF SLOW WAVE SLEEP STAGE 2
睡眠2期脑电信号产生的生理机制模型仿真研究
The crank reference pulse oringinates from a variable reluctant pickup which senses a projection on the engine's flywheel.
曲柄参考点脉冲信号由一个变磁阻传感器产生，它从发动机飞轮上的突起感受信号。
Study on Nitric Oxide Signal Production and Its Action Mechanism of Cyanobacteria Stressed by Enhanced UV-B;
增强UV-B胁迫下蓝细菌NO信号的产生及其作用机理研究
Progress in Signal Transduction Mechanism of Secondary Metabolite Biosynthesis in Medical Plant Cells
药用植物细胞次生代谢产物合成信号转导机制研究进展
The Design of Dynamic Background Signal Generator in Simulator of Electromagnetism Environment of Communication Signals;
通信信号电磁环境模拟器中动态背景信号产生器的设计
Study on Signal Source Production Line Lean Reengineering of X Company
X公司信号源生产线精益生产再造研究
One is a sudden or severe pain that does not go away.
一种警告信号是突然产生疼痛或剧痛。