direct digital synthesis是什么意思

网络释义

用法例句

A controller of ultrasonic power based on DDS technology;

基于直接数字合成技术超声电源控制器的研究

Based on the DDS technique, the exciting signal source has high accuracy, and the data can be acquired by phase-sensibility demodulation.

采用直接数字合成(DDS)技术产生高精度激励信号源,用相敏解调方法实现数据获取。

The signal generator consists of the micro-controller 89C51,the crystal osically circuit,the address maker circuit(DDS),the waveforms maker circuit.

该信号发生器以单片机(89C51)为中心控制系统,由晶体振荡电路、地址产生电路(直接数字合成DDS)、波形产生电路、运算放大电路、功率放大电路及串行通讯电路组成。

AIM: To compare the performance of two exciting sources based on direct digital synthesis (DDS) technology and to present some advice for the future system design.

目的:比较两种基于直接数字合成技术的阻抗激励源的性能,为以后阻抗系统设计提供指导。

This paper is to design a current-mode multi-frequency impedance exciting source which adopts direct digital synthesis technology.

目的:设计一个采用直接数字合成技术的电流模式多频阻抗激励源。

Through analysis on the working principle of direct digital synthesis (DDS) technique,combined with actual DDS chip AD9850,detailed introduction to including FM,FSK,PSK etc multi-digital modulation methods realization was made.

通过对直接数字合成技术DDS工作原理的分析,结合具体的DDS芯片AD9850,详细介绍了包括FM,FSK,PSK等多种数字调制方法的实现。

With the appearance of DDS ASIC,Direct Digital Synthesis(DDS) technology is wide ranging applied.

直接数字合成技术 (DDS)随着专用芯片的大量出现而得到广泛的应用。

A high-accuracy frequency source,which is based on the direct digital synthesis(DDS)and is controlled in real-time by the application software run on PC,has been designed and implemented,after the USB(universal serial bus)protocol and DDS were studied and analyzed.

通过对通用串行总线(USB)协议和直接数字合成(DDS)技术的研究和分析,设计实现了一种采用DDS技术的高精度频率源,并且能通过计算机应用软件对其进行实时控制。

The low cost equipment is based on logarithmic amplifier, direct digital synthesizer and micro-controller technologies.

利用对数运算放大器、高速直接数字合成器、微控制器和CPLD等技术设计成结构新颖的数字化频率特性分析仪,频率扫描范围100kHz~400MHz,测量结果可在液晶屏上显示并通过RS232接口送到外部计算机。

Design of Bessel Low Pass Filter in Direct Digital Synthesizer

直接数字合成器中贝塞尔低通滤波器设计

direct digital frequency synthesizer

直接式数字频率合成器

The Designing of Direct Digital Synthesis Based on FPGA;

基于FPGA的直接数字频率合成器设计

Direct Digital Frequency Synthesis Technique in Software Radio;

基于软件无线电的直接数字频率合成

Research and Application of Direct Digital Synthesis Technology;

直接数字频率合成技术的研究与应用

THE APPLICATION OF IspLSI1032 IN DIRECT DIGITAL FREQUENCY SYNTHESES;

IspLSI1032在直接数字频率合成中的应用

Design of Direct Digital Frequency Synthesizer Based on FPGA

基于FPGA的直接数字频率合成器研究

The Realization of Direct Digital Frequency Synthesizer in PSoC

直接数字频率合成器的PSoC实现

Design of Digital Signal Synthesizer Base on VHDL

VHDL描述的直接数字信号合成器的设计

The Design of DDS Based on FPGA

基于FPGA的直接数字频率合成器的设计

FPGA-based direct digital frequency synthesizer

基于FPGA的直接数字频率合成器

Design of DDS Based on FPGA

基于FPGA直接数字频率合成器的设计

Analysis of Input Clock Phase Noise of Direct Digital Synthesizer

直接数字频率合成器的相位噪声分析

A DDFS with a highly Compressed Phase to Sine Mapping

一种高压缩ROM直接数字频率合成电路

Design of Direct Digital Frequency Synthesizer Based on EP1K30QC208

基于EP1K30QC208的直接数字频率合成器设计

Analysis of Phase Noise in DDS

直接数字频率合成器中的相位噪声分析

The Simulation Research and Hardware Realization of Direct Digital Synthesis;

直接数字频率合成（DDS）的软件及硬件实现

The Research and Application of DDS Based on FPGA;

基于FPGA的直接数字频率合成器的研究与应用