frequency correction
英 [ˈfriːkwənsi kəˈrekʃn]
美 [ˈfriːkwənsi kəˈrekʃn]
网络 频率校正; 频率修正; 频率位移较正
双语例句
- A highly sensitive GPS signal acquisition technique using frequency error correction
应用频率误差修正的高灵敏度GPS信号捕获技术 - Maximum Likelihood Frequency Domain Correction Super-resolution Algorithm for Passive Millimeter Wave Imaging
无源毫米波成像最大似然频域校正超分辨算法 - Study on the frequency offset correction of TDD-LTE synchronization signal based on ZC sequence
基于ZC序列的TDD-LTE同步信号频率校正研究 - First briefly introducing the basic theory of OFDM system, then the frequency offset correction arithmetic using the cyclic prefix, and the simulation result were given.
在简要地介绍了OFDM系统的基本原理后，给出了利用循环前缀相关特性的频偏校正算法，并给出了仿真结果。 - One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.
一是利用分段FFT的相位差修正算法，二是基于二次内插的频率FFT校正法。 - Slip Frequency Correction Method Base on Rotor Flux q Axis Component for Induction Machine Indirect Vector Control System
基于转子磁链q轴分量的异步电机间接矢量控制转差频率校正 - Research of Residual Frequency Offset Correction Based on the Mean Square Error Short-Term Feedback Algorithm and Decision of the Threshold
均方误差短时反馈算法的残余频偏纠正及阈值选取的研究 - Design and Implementation of Automatic Frequency Correction Unit for Spread Spectrum Receiver
扩频系统中自动频率校正单元的设计与实现 - Using Fourier transformation computational method, the FIR filter was designed. The acceleration signal dynamic error was revised through the FFT 、 IFFT and frequency correction in the operating frequency scope. The signal processing had been realized on DSP, and the signal data was really recorded.
应用傅里叶变换的计算方法，并且完成了FIR滤波器的设计，通过傅里叶正反变换和频率补偿实现工作频率范围内加速度信号动态误差修正，在DSP上实现了信号处理，真实地记录了信号数据。 - In allusion to the characters such as short setting window, mass transmitting data, complex electromagnetic environment during the muzzle, the method of frequency correction binary circulating coding is put forward, and it can be decoded exactly.
针对装定时间窗口短、传输信息量大、炮口电磁环境复杂等特点，提出并实现了校频二进制循环编码解码方法。 - It adopts auto adaptive step to track the frequency offset, so that it can shorten the AFC ( Automatic frequency correction) tracking period and improve frequency precision.
新算法可以自适应地调节本振频率跟踪载波频率的阶距，从而很好地缩短了AFC的跟踪时间和改进了频率校正的精度。 - Frequency Correction Technology In VSAT Monitoring System
VSAT监视系统频率校正技术 - A approach for Doppler frequency shift correction in multi-rate bpsk/ dbpsk software demodulate system
在多速率BPSK/DBPSK软件解调中多普勒频偏矫正的一种方法 - The method presented adopts segmented matched filter detector, maximum-selection detection algorithm and FFT frequency correction with quadratic interpolation.
在此基础上提出一种在高动态环境下的码捕获新方法，该方法采用分段匹配滤波相关、最大选择检测算法和二次内插的FFT校频技术。 - It gives the distance calculating method in real time frequency measurement. It also presents amending suggestions for the frequency correction formulae in the "Code"( 1).
给出了实时测频的距离计算方法，对《规范》[1]中频率改正公式提出修正意见。 - An experimental results comparison between adaptive neural network control method and traditional frequency domain correction control method is given.
给出了采用自适应神经网络控制方法和采用传统频域校正控制方法的对比实验结果。 - Motion compensation includes range alignment and phase reference selection technology. Frequency correction algorithm, spatial correction algorithm and envelope minimum entropy algorithm are respectively applied in range alignment. Phase compensation is according to selection of the phase reference.
运动补偿部分主要解决距离校正和相位基准选择技术，距离校正分别采用了频域校正法、空域校正法和包络最小熵法，主要依据相位基准选择的方法来进行相位补偿。 - An Auto adaptive Step AFC Scheme Design and Implementation of Automatic Frequency Correction Unit for Spread Spectrum Receiver
一种自适应阶距的自动频率校正算法扩频系统中自动频率校正单元的设计与实现 - In order to accurately record cellular electrophysiological signals, the patch clamp amplifier adopts a series of compensation technology including high-gain amplification, frequency correction, resistance and capacitance compensation and so on, wherein the capacitance compensation is one of the key technologies.
为精确记录细胞电生理信号，膜片钳放大器采用了放大、频率补偿、电容补偿及电阻补偿等一系列的补偿技术，电容补偿技术是其中关键技术之一。 - It has been proved that An improved FFT frequency correction technology, which makes carrier frequency deviation come into fast capture bandwidth quickly, is presented to correct frequency.
实践表明：利用一种改进的FFT校频技术对载波频偏进行一次校频，能使载波频偏快速落入锁相环快捕带内。 - In this paper we analyze the frequency correction caused by a finite beam width in an optical gyro.
本文分析了光陀螺中由于有限光束宽度对拍频频率的修正因子。 - Frequency Correction Method on Volumetric Efficiency of Inverter Rolling Piston Compressor
变频滚动转子压缩机容积效率的频率修正方法 - Simulation results show that in the same case, RAKE receiver using automatic frequency correction provides higher signal-to-noise ratio and lower error probability compared without automatic frequency correction.
仿真结果表明：在相同条件下，采用自动频率校正的RAKE接收机与未采用自动频率校正的RAKE接收机相比，信噪比提高，误码率下降。 - Through removing mean and frequency spectrum correction, the measurement precision of system is improved.
采用去均值和频谱校正的方法，改善了系统的测量精度。 - Here it sets forth the viewpoint of using the measuring frequency at real time plus the frequency correction instead of the multiplication constant correction.
阐述了用实时测频加频率改正取代乘常数改正的观点； - A Pilot Subcarrier-based Joint Frequency Offset Correction and Channel Estimation Method for OFDM Systems
OFDM系统中一种基于导频子载波的联合频率偏移纠正和信道估计方法 - A Phase Difference Correction Method for Phase and Frequency Correction in Spectral Analysis
频谱分析中用于相位和频率校正的相位差校正法 - The design given in this paper applies frequency offset estimation algorithm using fast Fourier transform ( FFT) for the large frequency offset correction when digital down conversion. Theoretical analysis and simulation by MATLAB are taken to verify the feasibility of the algorithm.
本文使用基于快速傅里叶变换（FFT）的频偏估计算法对中频载波进行大频偏校正，并对该算法进行了理论分析和性能仿真验证了它的可行性。 - As for the all phase FFT, it shows great advantage in suppressing the leakage of spectrum. Further more, accurate phase estimation can be achieved without any frequency correction, which benefits from the behavior of phase invariance.
全相位FFT谱分析算法是一种优良的抑制频谱泄露的方法，在不进行频率校正的基础上，就可实现精确的相位估计，具有相位不变性。 - Frequency correction is based on FFT, so it is easy to calculate while remains big error.
频率校正法直接以FFT为基础，因此计算简单，但它也保留了FFT的不足之处，存在着较大的误差。