spurious frequency的例句大全

The mechanism of the spurious frequency of digital seismic geophone

数字地震检波器假频机理的研究

The geophone spurious frequency is modeled as the resonance of the planer motion of spider spring by carrying moving mass.

检波器的假频是借助支撑运动体对支座弹簧的水平运动作为谐振来模拟的。

however, dds is a full digital structure, which leads to low frequency, narrow absolute frequency coverage, and large spurious with its output.

但是DDS采用全数字化结构，使其输出频率较低，绝对频率覆盖小，输出杂散较大。

Research on Spurious Reduction of Direct Digital Frequency Synthesis

直接数字频率合成杂散抑制方法的研究

Spurious Power Calculation in Direct Digital Frequency Synthesis

直接数字频率合成中杂散功率计算

A Technique for Improving Upper Limit Frequency and Spurious Level of DDS

一种改善DDS频率上限与杂散电平的方法

Spurious Signals Analysis of Direct Digital Frequency Synthesizer and Spur Reduction Techniques

DDS的杂散分析及降低杂散的方法

Spectrum Analysis of Spurious Signals in Direct Digital Frequency Synthesizer Due to Phase Truncation

DDS相位舍位杂散信号的频谱分析

The spurious lines caused by those sources can be classified into different sets according to the greatest common divisor of the DDS frequency control word ( FCW) and 2 N, where N is the word length of the DDS phase accumulator.

由此产生的杂散谱可根据DDS的频率控制字和2N的最大公约数进行分类，N是DDS相位累加器的字长。

with the increasing complexity of modern radar functions, the frequency source of radar target simulator that has coherent, high frequency, wide band, fast frequency switching, small step, low phase noise, low spurious, is required.

随着现代雷达功能的日趋复杂，往往要求其目标模拟器频率源同时具有全相参、高频率、宽频带、捷变频、小步进、低相噪和低杂散等性能。

radio receivers - open field method of measurement of spurious radiation from frequency modulation and television broadcast receivers

无线电接收机。调频和电视广播接收机附加辐射的露天测量方法

In the UAV telemetry& control system, it is required that the numerical control oscillator ( NCO) having high frequency resolution and small spurious signal.

无人机的测控系统要求数控振荡器（NCO）的频率分辨率高、相位噪声低、杂散小。

Direct Digital Frequency Synthesis ( DDS ) technique is introduced and its spurious error is mainly studied.

介绍了直接数字频率 合成技术 以及分析其杂散误差,对相位截断误差和幅度量化误差进行了傅立叶级数分析研究.

This paper discusses three types of interference: spurious emission, intermodulation and block distortion. It also innovates fractional frequency reuse from physical layer and data link layer.

本文讨论了三种主要的干扰类型&杂散干扰、互调干扰和阻塞干扰，并结合物理层与数据链路层对规避干扰的分数频率复用法进行了创新。