DDS的例句大全

The basic theories of the frequency synthesis , PLL , DDS, DDS + PLL are introduced first in this paper.

本文首先介绍了关于频率合成、锁相环频率合成、DDS频率 合成 、 DDS+PLL频率合成等的基本理论.

The technology of direct digital frequency synthesis ( DDS ) , is a new typed synthesizer technology and signal frequency methods.

直接数字频率合成技术,即 DDS, 是一种新型的频率合成技术和信号产生方法.

A method of generating radar multi-target phase-coherence echo based on DDS is discussed.

介绍了一种基于DDS的雷达 多目标 相参回波信号生成方法.

Direct Digital Frequency Synthesis ( DDS ) technology is realized on complex programmable logical component ( CPLD ) with hardware description language.

在复杂可编程逻辑器件 ( CPLD ) 上,用硬件语言实现了直接数字频率合成 ( DDS ) 技术.

Clear AFM images were ( obtained ) from PbZr _ ( 0.90 ) Ti _ ( 0.10 ) O _ 3-Fe _ ( 0.003 ) nano powder sample prepared by DDS method.

采用DDS法制备PbZr0.90Ti0.10O3-Fe0.003 ( PZT -Fe ) 纳米粉体样品,得到了清晰的AFM图像.

PLL frequency synthesizer with DDS reference will adapt to local oscillator of modern radio.

采用DDS输出作为参考的PLL频率合成器非常适合用做现代电台的本振.

Impulse test. This procedure for the AD 9850 ( DDS ) Direct Digital Frequency Synthesizer C language source code.

脉冲发生测试. 此程序为AD9850 ( DDS ) 直接数字频率合成器C语言源码.

DDS-11 A digital conductivity instrument for laboratory measurements of conductivity of liquids.

DDS-11A型数字电导仪适用于实验室测量液体的电导率.

The hardware configuration of using DDS chip AD 9956 to realize the linear modulation function is introduced.

介绍了一种基于DDS芯片AD9956实现线性调频功能的硬件实现方法.

Deposit-dip-spin ( DDS ) coating method, a composite nano-powder sample preparation method for atomic force microscope ( AFM ) measurement is introduced.

介绍了一种改进旋涂法 —— DDS 涂膜法 ( Deposit-Dip-Spin-coating), 主要用来制备纳米粉体原子力显微镜 ( AFM ) 分析样品.

DDS-1 type m ulti-function electronic laboratory case can meet this requirement.

DDS - 1型多功能电子实验箱即可满足这方面的需要.

Through the DDS CMOS chip AD 9851 , the system produces a 64 points sampling signal.

通过DDS芯片AD9851来产生相对于输入信号64倍频的高精度采样信号.

The transmitterof DHF uses DDS to synthesize frequency.

发射机采用直接数字频率合成器(DDS)生成频率,具有精度高、频率跳变速度快的特点.

This article describes the design of a linear sweeping frequency signal generator using DDS technology.

本文介绍了利用DDS来产生线性扫频信号的射频信号发生单元的设计.

A resource-base in DDS is introduced and a recursive generation method of model chain is represented to promote the efficiency of model chain generation process with an evaluation model to select a best one from all the model chains generated given.

本文介绍了决策支持系统中资源库的概念，提出模型链逆向生成的方法，这种方法能够有效地自动生成模型链，并给出了评估多个模型链优劣程度的一般模型。

A . The AD 5932 DDS is a simple, programmable, digitally controlled wave form generator.

AD5932直接数字频率合成器是一种简单的 、 可编程的和数字控制的波形发生器.

A S-band Complex LMF Signal Generation System Based on DDS

基于DDS技术的S波段复杂线性调频信号产生系统

This design dispenses with ROM which mainly limits the converting speed of DDS, but uses SIN function polynomial approximation directly generating digital SIN wave.

利用正弦多项式近似直接产生数字正弦波，而无需限制相幅转化速度的ROM.。

Specifically, the development of high speed A/ D converter, DDS technology, as well as the prevalence high speed DSP, FPGA have provided a solid hardware function for the radar receiver.

特别是高速多位（100MHz，12bit以上）A/D转换器和DDS技术的发展以及高速数字信号处理芯片（DSP）和FPGA的普遍使用，为雷达接收机提供了良好的硬件基础。

In these cases, an external device such as a SCSI DDS tape drive will often suffice.

在这些情况下, 像SCSIDDS磁带机这样的外部设备通常就已经足够.