frequency code
英 [ˈfriːkwənsi kəʊd]
美 [ˈfriːkwənsi koʊd]
频率码
双语例句
- This paper discusses a new algorithm to generate wide gap differential frequency hopping code sequence.
本文介绍了一种新的宽间隔的差分跳频序列生成方法。 - Frequency hopping code division multiple access demodulator
跳频码分多址解调器 - Space Frequency/ Space Time Frequency Code Based on Rotation Transformation and Orthogonal Construction
基于旋转变换和正交结构的空频/空时频编码技术 - Performance Analysis for Space Time/ Frequency Code in MIMO-OFDM System
MIMO-OFDM系统中空时/频码的性能分析 - The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station.
伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。 - In this paper, local PN sequence and sub-carrier are united to estimate carrier frequency and code using Partial FFT.
采用了本地PN序列和方波联合滑动相关并作分段FFT对载波频率和码片进行粗估计的方法，同时捕获频率偏移和码片偏移。 - Carries on the error correction code and the wide frequency code by FPGA to the signal.
由FPGA对信号进行纠错编码和扩频编码。 - The Design and Implement of the Low Frequency Time Code's Simulation Signal Source
低频时码信号模拟器的设计与实现 - Group orthogonal frequency and code division multiple access system
一种群正交频码分多址系统 - A Study of Frequency Hopping Code Sequences in Frequency Hopping Multiple Access
多址通信的跳频码序列的研究 - Compared with previous schemes, moreover, using the proposed space frequency code yields better performances with high spectral efficiency.
此外，和先前所提出的一些方法相比，提出的空频码还具有频谱效率高的性能特点。 - Research of postprocessing for time-frequency code signal
时频编码信号的后置处理研究 - A Kind of Shortwave Frequency Hopping Code Based on DFH Transform Function
一种基于差分跳频转移函数的短波跳频码 - Main contents studied include: ( 1) nonlinear adaptive filter predicting chaotic time series and hopping frequency code;
主要内容为：（1）非线性自适应滤波器对混沌时间序列及跳频码的预测； - Construction of algorithm for frequency hopping code generator using counting TOD
计数式TOD跳频码发生器算法的构造 - Considering the affection of Doppler, the two dimensions searching in both frequency and code phase is applied.
考虑多普勒频移的影响采用频率和码相位二维搜索。 - The frequency hop code pulse signal is a new form of pulse compression radar signal, and is of great analysis value.
跳频编码脉冲信号是一种新的脉冲压缩雷达信号形式，极具研究价值。 - Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest.
而频率编码为不均匀分布，由所观测目标的频谱信息提取出概率密度函数决定频率编码序列的分布； - Ambiguity function is a useful tool for designing waveform and analyzing the radar signal. It is complicated to compute ambiguity function of frequency hop code signal and difficult to draw the ambiguity figure.
模糊函数是对雷达信号进行分析研究和波形设计的有效工具，跳频编码脉冲雷达信号模糊函数的计算十分复杂，模糊图绘制非常困难。 - The schemes of digital low frequency time code receiver based on orthogonal overlaping and sampling are proposed in this paper.
采用正交叠加和正交采样技术，提出了更大程度上数字化的低频时码信号正交解调的设计方案。 - With the measured data such as time of arrival ( TOA)> width> repetition frequency ( RF) and amplitude of every pulse and the frequency code the processor can sort the signal and identification the desired radar.
信号分选识别处理器通过对每个脉冲到达时间、脉冲宽度、脉冲重频、脉冲幅度等的测量，加上测频接收机输入的频率码，完成信号的分选和识别出预定雷达。 - The phase-locked loop frequency synthesizer is a kind of phase lock installment and it is a kind of separate gap frequency code generator with high stability frequency.
锁相环频率合成器是一种相位锁定装置，是一种频率稳定度较高的离散间隔型频率信号发生器。 - This system achieves collecting and transmitting of the output frequency receiver code data and achieves analysising the sampling data on the PC to achieve the desired results.
在最后的系统测试中，本系统完成对输出频率编码数据的采集和传输，并在PC机上对所采样的数据进行分析，达到了预期的效果。 - In software design, selecting of the United States POLE ZERO companies filter frequency control code formula. This makes a good filter to control codes and the frequency of the almost linear relationship.
在软件公式的设计上，选用了美国POLEZERO公司滤波器频率控制码的计算公式，这样很好地使控制码和滤波器的频率达到了几乎线性的关系。 - In solving the parameter information of carrier frequency, code rate, code period, the paper uses the Monte Carlo simulation method repeatedly to enhance the reliability of simulation results.
在求解载频、码速率、码周期这些参数信息时，论文采用蒙特卡洛重复仿真实验的方式增强仿真结果的可靠性。 - Treating of colorific perception, author borrowed "frequency code" from speech prosody and bioacoustics to discriminate the color between major and minor triad.
在论及和弦的色彩性感知时，本文借用了语音韵律学与生物声学频率编码的概念，对大小三和弦的色彩性区别进行了归因。 - LS code and LA time frequency code are all used as pre-code to verify the performance of the statistical detection decoding algorithm.
在论文中采用LS码及LA时频码尝试性验证了统计检测译码算法的性能。 - Then through carrier and code tracking, adjusting the carrier frequency and code phase continuously to refine the coarse values.
经过载波和伪码跟踪，不断调整载波频率和码相位，最终获得精确值。 - By means of acquisition to identify all satellites visible to the user, and get a rough estimate value of the carrier frequency and code phase.
通过对信号的捕获，获得视距内可见的卫星信号，并得到载波频率和码相位的粗略估计值。