Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
This paper is based on the model of near-Gaussian filters, introducing the relationship of sweep time, span, resolution bandwidth and video bandwidth.
实际应用结果说明，数字中频滤波器比模拟滤波器在可实现最小分辨率带宽、滤波器波形因子、测量速度等方面都具有很大的优势。
The result showed that the analyzer has wide input frequency range, narrow RBW (Resolution Bandwidth) and high scanning accuracy, and it reaches the international advanced level.
测试结果表明所设计的分析仪输入频带宽、频率分辨力和扫频准确度高，达到国际同类产品先进水平。
But traditional instruments make more-complex measurements and maintain advantages in accuracy, resolution, and bandwidth.
但是传统仪器能够实现更复杂的测量并且具有高精度，高分辨率，高带宽的优点。
Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product.
涵盖的主题包括：在波动光学基本电动力学，极化，干扰，波导，菲涅耳和夫琅和费衍射，成像，分辨率，空间带宽产品。
Then the bandwidth of color will be adjusted (according) to the upper vision tasks, and it can be regarded as the resolution of segmentation.
然后根据上层的视觉任务调整颜色带宽，调整后的颜色带宽可以看作是分割分辨率。
Bandwidth of amplifier and relative aperture of optical system are optimized based on the requirement of temperature resolution.
基于系统温度分辨力的要求，对光学系统的相对孔径及选频放大器的带宽进行了优化设计。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
雷达的距离分辨率与发射信号的带宽成反比，要获得大的距离分辨率，必须发射宽带雷达信号。
The point-spread function (PSF) characterizes the resolution of the image, which is a function of the receiving array length and the ambient bandwidth.
点-扩展函数表征成像的分辨率，即接收排列长度和环境带宽的函数。
The thor also has the aerial reconnaissance and surveillance, the image seized only rarely bandwidth, the system can automatically collect and transfer of high resolution image information.
雷神号也具有空中侦察与监视能力，其影像搜获系统仅需极少的带宽，就能自动搜集并传送高分辨率的影像信息。
Based on the discussion of temperature measurement accuracy and temperature resolution, wavelength bandwidth of the system is optimized.
本文在着重讨论系统的测温不确定度及温度分辨力的基础上，对其工作波长的带宽进行了优化设计。
In linear frequency modulated continuous wave (LFM-CW) radar the range resolution is determined by signal bandwidth and linearity.
在线性调频连续波雷达中，距离分辨力由线性调频信号的带宽和线性度等决定。
The more narrow bandwidth selected, then the higher the frequency resolution, but this time to be testing to cover the entire frequency Fan stressed the need to filter the number of very substantial.
所选带宽越窄，则频率分辨力越高，但这时为覆盖所要检测的整个频率范调，所需要的滤波器数量就很大。
The bandwidth of chaos is directly related to the rate of signal transmission and the range resolution.
混沌的带宽直接关系到信号传输的速率和测距的距离分辨率。
Each filter has flexible adjustability of its time window and frequency bandwidth. Therefore, high mode resolution and short observation time window can be self-adaptively achieved.
每个滤波单元时频域带宽柔性可调，能根据测量要求自适应取得较高的模式分辨率和较短的观测时窗长度。
Fine frequency resolution requires a small reference frequency and a correspondingly small loop bandwidth.
高的频率分辨率要求低的参考频率，这就相应地要求环路的带宽比较窄。
Steppedfrequency signal is a broad band signal which enhances range resolution of radar at the cost of increasing bandwidth.
步进频率信号是一种以增大信号带宽为代价来提高雷达距离分辨力的宽带信号。
The most adopted approach for achieving high axial resolution in OCT is using a light source with a broaden bandwidth.
提高光学相干层析成像术轴向分辨力的方法主要基于带宽光源技术。
The limit of the range resolution of a LFM radar depends on the bandwidth of transmitted waveform.
线性调频雷达的极限分辨力取决于发射波形的带宽。
With the system towards the large bandwidth, high-resolution, signal processing real-time direction, SAR raw signal has a high data rate, so a higher demand is raised to real-time imaging system.
随着系统向大带宽、高分辨率、信号处理实时化的方向迈进，回波的数据率越来越高，因此对实时成像处理系统提出了更高的要求。
Improving (i. e. reducing) the frequency resolution may help if you encounter issues of data transfer bandwidth.
提高频率还可以遇到带宽数据溢出时帮助我们。
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。
However, with the radar bandwidth increases, the range resolution cell is also getting smaller and smaller, and the target becomes distributed target.
然而随着雷达带宽的越来越大，其距离分辨单元也越来越小，目标变为分布式目标。
Pulse compression technique is widely used in modem radar systems. Large time duration-bandwidth product signals are used in pluse compression technique to improve the resolution in range domain.
现代雷达系统广泛采用脉冲压缩技术，在确保雷达作用距离和速度分辨力的前提下，采用大时宽带宽积脉冲压缩信号提高距离维分辨力。
Pulse compression technique is widely used in modem radar systems. Large time duration-bandwidth product signals are used in pluse compression technique to improve the resolution in range domain.
现代雷达系统广泛采用脉冲压缩技术，在确保雷达作用距离和速度分辨力的前提下，采用大时宽带宽积脉冲压缩信号提高距离维分辨力。
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