1) Negative shift of spectrum
频谱的负偏移
2) frequency shift
频谱偏移
1.
In this paper,the difference of the incidence angle is uncovered as the key cause of frequency shift.
频谱偏移理论是干涉合成孔径雷达系统特有的一个很重要的问题,它是由基线的存在而导致的干涉合成孔径雷达特有的几何关系造成的。
4) Frequency deviation
频率偏移
1.
According to the fundamental principle of correlation function,the effe ct of measuring accuracy resulting from frequency deviation is analyzed in this paper.
从相关函数的基本原理出发,分析了频率偏移对信号测量准确度的影响。
2.
On the basis of high precision requirement for input signals in the power system protection and control system,this paper,only for the influence of power system frequency deviation on extracting fundamental harmonic,studies the amplitude error of Fourier algorithm,presents a method of correcting frequency deviation,and further derives the formulas of improved Fourier algorithm.
针对电力系统微机保护和控制系统对输入信号精度的要求 ,研究了电力系统频率偏移对傅立叶算法的影响 ,提出一种消弱频率偏移影响的方法 ,并推导出校正频率偏移的改进傅立叶算法 。
3.
As for digital self excited control system for use with synchronous generator, this paper analyses the influence of power system frequency deviation on automatic excitation regulator, derives the rule of voltage error varying while system frequency deviates from normal rating and presents a kind of correcting method.
本文针对数字式同步发电机自并励静止整流器励磁控制系统 ,研究了电力系统频率偏移对励磁控制的影响 ,导出了调节励磁电压的误差随频率偏移的变化规律 ,并提出了对励磁调节误差进行校正的方法。
5) frequency offset
频率偏移
1.
Effects of OFDMA system performance caused by frequency offset and synchronization error;
频率偏移和同步误差对OFDMA系统性能的影响
2.
The effect of frequency offset on YBX-1 high-frequency transceiver;
频率偏移对YBX-1型高频收发信机的影响
3.
To solve the problem of frequency offset out of intermediate frequency(IF) bandwidth for microwave and millimeter wave amplitude and phase receivers, an optimal architecture of low-IF quadrature receiver combining with double-sideband suppressed-carrier(DSBSC) was presented.
为解决微波毫米波幅相接收机的频率偏移超过中频带宽的问题,提出了一种低中频正交接收机结合双边带抑载的优化结构。
6) frequency shift
频率偏移
1.
The principle and the design of quadrature-beamformer are discussed and the effect of the frequency shift on the beam axis is theoretically analyzed.
介绍了正交波束形成器的原理和设计方法,针对频率偏移对波束主轴方向的影响进行了理论分析和讨论,仿真结果验证了理论分析的正确性。
2.
The frequency shift is obtained and compared with the effect of air damping.
推导了吸附效应影响下的频率偏移,并与空气阻尼对谐振频率的影响进行了比较。
补充资料：负负
1.犹言惭愧﹑惭愧;对不起﹑对不起。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条