最后,进行了扫频实验和驱抖实验。
扫频源比对实验证明该方法是有效的。
Swept-sine method comparison experiments verified that the method is effectual.
配合扫频线路,工作状态稳定,输出功率强劲。
Coupled with frequency sweeping circuit, stable operation and Performance, strong output power.
频率值,扫频方式和扫频速平均可由键盘输入。
The frequency value, sweep method and sweep rate can be input by keyboard.
扫频法是当前测量混凝土、金属、炭素等物体的新方法。
Swept method is a new method to measure concrete, metal, carbon and so on at present.
介绍了用零中频技术将扫频仪改造成频谱仪的一种方法。
This paper presents a new method for Sweep Oscillator transform to the Spectrum Analyzer by Zero-IF technique.
目前国产高频宽带扫频仪的对数放大器性能还有待提高。
The properties of domestic high-frequency broadband sweeper, for instance, the dynamic range, logarithmic accuracy, flatness and log linear, still need to be improved.
实验研究表明,自适应扫频随机共振技术可应用于工程实际。
Experimental study shows that the self-adopting scanning stochastic resonance technique can be applied to engineering practice.
本文探讨标准和非标准扫频仪中的几种频率标志的形成方法和适用场合。
This paper discusses several methods of frequency marker generation and their applications in standard and non-standard sweep analyzers.
本文介绍了作者研究的一种新颖的扫频双六端口网络分析仪校准与测量技术。
A novel method of calibration and measurement of swept frequency dual six-port network analyzer is given by authors in this paper.
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。
When frequency sweeping method being used properly for measuring amplitude-frequency characteristics, the analysis and estimation of errors in measurement results could be avoided.
扫频激光光源提供了足量的光照强度,可以轻松测取低api度原油的参数。
The swept source laser provides light intensity strong enough to easily measure even the lowest API gravity crudes.
结合实验数据和扫频曲线,指出在不同真空度环境下谐振器的各种扫频方法。
Combined with experiment data and scanning curves, several frequency searching approaches in different vacuum circumstance are presented.
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。
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.
为配合随调式消弧线圈的使用,提出了一种扫频检测系统对地电容的改进型方法。
In coordination with the application of post-set arc suppression coil, a frequency scanning based modified method for detecting system capacitance to earth is proposed.
本文针对非线性悬架,研究通过数字快速正弦扫频获得其频域特性的数值解的方法。
The method of digit fast sine sweep frequency is used in nonlinear suspention system frequency feature numerical solution.
用扫频仪测量天线的输入阻抗时,在同轴传输线与天线间应按平衡—不平衡变换器。
When using frequency sweep meter to measure the input impedance of antenna, the balanced - unbalanced transformer must be connected between coaxial transmission line and antenna.
介绍基于最低阶反对称板波激励、扫频幅度相位显示的复合材料粘结质量评价的新方法。
Descriptions are made of a new instrument based on the lowest order asymmetric plate wave excitation and swept frequency amplitude phase display.
在系统联调期间,该模拟器可进行极小步进、快速扫频,取得了满意的多普勒模拟效果。
During the system debugging period, it's proved to be a fast swemar generator, which can implement very little frequency steps.
同时进行了裸盘正弦扫频振动失效试验,准确测量了硬盘的振动失效频率点和振动幅值。
Simultaneously, the sine sweep vibration tests are carried out to measure the vibration frequencies and amplitude which lead to operation failure of HDD.
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。
Network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad-band sweeping and computer-assisted testing.
该方法可以灵活安排扫频周期,从而使调频连续波SAR的系统设计具有更大的自由度。
The method can provide flexible scan cycle which brings great freedom in SAR system designing.
本文介绍电液伺服系统的几种动态测试方法,包括随机噪声测试,锤击法测试和扫频测试。
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test.
使用先进的数字信号处理器,缩减了分立元件的数量,提高了系统的稳定性和扫频的速度;
This system has adopted the algorithm of digital down convert FFT, so the frequency resolution is improved greatly.
针对扫频方式对频偏捕获时间影响很大,本文给出了几种扫频方案,以缩短整体捕获时间。
Because swept modes have a great influence on capture time of frequency offset, several swept modes are given to reduce the overall capture time.
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。
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.
本文提出一种新的扫频双六端口网络分析仪校准方法,具有校准时间短、对硬件要求低等优点。
A practical swept-frequency dual six-port ANA and its new calibration method are presented in this paper.
本文提出一种新的扫频双六端口网络分析仪校准方法,具有校准时间短、对硬件要求低等优点。
A practical swept-frequency dual six-port ANA and its new calibration method are presented in this paper.
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