This article introduces the method of extending noise figure meter HP 8970a measurement frequency range.
本文介绍了扩展噪声系数表hp 8970a测量频率范围的方法。
By considering the influence of radiation effect and higher order modes, the measurement frequency range has successfully extended to X-band.
由于考虑了辐射效应和高次模的影响，测量频率范围成功地扩展到了X波段。
Johnson noise is uniformly distributed over a wide frequency range, so reducing the noise bandwidth effectively decreases the noise in the measurement.
约翰逊噪声在很宽的频率范围内呈均匀分布，所以减小噪声带宽能够有效地降低测量中的噪声。
If the input signal is anywhere in the frequency range of the detector, the meter will make a valid power measurement.
只要输入信号落在检测器的频率范围内，则功率计就能给出准确的的功率。
To enlarge measurement range of particle rotational speed, a dual- frequency imaging method was presented, with mathematical analysis and proving experiment.
为提高颗粒转速测量范围，提出了双帧频拍摄法，并进行了数学推导和实验验证。
When traditional method is used for measurement at low frequency range, measuring precision can not be guaranteed and measuring is time-consuming.
传统的频率特性测量方法，在低频时，测量精度较差，且非常费时。
The talk will describe measurement techniques in THz spectroscopy and imaging and related calibration methods for frequency, amplitude, resolution and dynamic range.
讲座将介绍在太赫兹光谱和成像和频率，振幅，分辨率和动态范围测量技术相关的校准方法。
The range measurement of the FMCW radar is based on the estimation of the frequency of the beat-note signal.
为了提高FMCW雷达的距离测量精度，提出了一种基于差拍信号相位的距离估计方法。
The 5315B Frequency Counter has a 100MHz frequency range and also has ratio and totalize measurement capabilities.
在5315B频率计数器有一个100MHz的频率范围，也有比例，总计测量能力。
Based on the Multi-Frequency CW Radar Terminal System, this paper mainly discusses the velocity-measurement, angle-measurement and range-measurement of the Tracking System.
本文以多频连续波雷达终端系统为背景，重点讨论了跟踪控制器的速度测量，角度测量和距离测量问题。
Two basic methods of high resolution range measurement applying LFM pulses are introduced: compression in time domain and compression in frequency domain.
介绍了线性调频脉冲信号高分辨测距的两种基本方法：时域压缩测距和频域压缩测距。
The digital frequency meter to achieve the desired requirements of the variable-range measurement, measuring range 0.1Hz-9999MHz, accuracy up to 0.1Hz.
该数字频率计达到预期要求，实现了可变量程测量，测量范围0.1Hz—9999MHz，精度可达0。
The digital frequency meter to achieve the desired requirements of the variable-range measurement, measuring range 0.1Hz-9999MHz, accuracy up to 0.1Hz.
该数字频率计达到预期要求，实现了可变量程测量，测量范围0.1Hz—9999MHz，精度可达0。
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