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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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。

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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.

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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

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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.。

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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。

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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.

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