Coupled with frequency sweeping circuit, stable operation and Performance, strong output power.
配合扫频线路，工作状态稳定，输出功率强劲。
According to the analysis of spur performance, this design makes AD9858 achieve wide-band frequency sweeping of 300mhz.
基于对杂散的分析，本设计利用AD 9858完成了300mhz带宽的宽带线性扫频源的设计与硬件实现。
We efficiently precomputed these series using an adaptive frequency sweeping algorithm and volume-velocity-preserving mesh simplification.
我们通过使用自适应的频率扫描算法和保持体积速度的网格简化算法，有效地预先计算这些序列。
The tests of frequency sweeping and dynamic displacement sweeping at different temperatures for the viscoelastic material silicon rubber were conducted.
对硅橡胶粘弹性阻尼材料进行不同温度的频率扫描和动态位移扫描实验。
When frequency sweeping method being used properly for measuring amplitude-frequency characteristics, the analysis and estimation of errors in measurement results could be avoided.
正确使用扫频法测量幅频特性，可以避免大量测量结果中误差的分析与估算。
The amplitude-frequency characteristics measured by means of frequency sweeping are dynamic characteristics and those measured by means of point-to-point method are static characteristics.
用扫频法快速测量各种系统的幅频特性是动态特性，按逐点描绘法取得的幅频特性是静态特性。
Whispering gallery modes in silica microspheres are excited by a tunable continuous-wave laser through the fiber taper. Ringing phenomenon can be observed with high frequency sweeping speed.
我们利用连续可调谐激光激发了二氧化硅微球腔内的回廊耳语模式，并观察到了微球腔内的振铃现象。
This paper introduced the design and development of a virtual frequency sweeper based on DDS technology. The DDS technology and the method to design the frequency sweeping generator were illustrated.
介绍了基于DDS技术的虚拟扫频仪的硬件与软件设计，并详述了DDS技术以及用该技术实现扫频信号源的方法。
New interference methods, such as sweeping frequency interference and faster-hop-collision interference, become a new focus of electronic countermeasures to FH communication systems.
扫频式干扰、更高跳速碰撞干扰等新的干扰方法成为跳频通信系统电子对抗领域中又一重要研究方向。
The basic idea using array sweeping to suppress harmonic interference is to reasonably design each sub-sweeping frequency band that can reach the goal of elimination of harmonic interference.
利用组合扫描压制谐波干扰的基本思想就是合理地设计各个子扫描频宽，达到消除谐波干扰的目的。
Network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad-band sweeping and computer-assisted testing.
网络分析仪结合了频率合成技术、采样技术、宽带扫频技术、计算机辅助测量等新技术。
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。
This platform can simulate the ray tracing for a fixed frequency or sweeping frequencies, also can calculate the group path and the covered region of rays.
该平台可实现定频或扫频射线轨迹演示，计算各射线群路径，覆盖区域等功能。
The bridge was actuated by sinusoid sweeping frequency wave, and then the power spectral density differences between the undamaged and damaged bridge were analyzed.
利用正弦扫频波激振钢桥，分析其损伤前后加速度反应功率谱密度的变化。
As compared with the methods of sine or sine frequency of sweeping, which was used in the past, this method has obvious advantages. It can meet the needs of production site of transmitters.
此方法较之以往采用的正弦或正弦扫频激励法具有明显的优点，可以满足传感器生产现场的需要。
The purpose of this project is to design a wide frequence band, fine frequency step, low phase noise and low spur synthesis sweeping source suited for the spectrum analyser.
本课题的目的是设计一个适用于该频谱分析仪的宽频率范围、精细频率步进、低相噪及低杂散的合成扫频源。
A method used to define the error which is caused by nonlinear sweeping frequency is developed.
本文提出了确定调频非线性所引起的误差的方法。
The digital tester for frequency response characteristic, which is also called frequency-sweeping instrument, plays a very important role in modern electronic measurement.
扫频仪也称频率特性测试仪，用于测试网络的幅频特性和相频特性，在现代电子测量中占有重要的位置。
The digital tester for frequency response characteristic, which is also called frequency-sweeping instrument, plays a very important role in modern electronic measurement.
扫频仪也称频率特性测试仪，用于测试网络的幅频特性和相频特性，在现代电子测量中占有重要的位置。
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