载频

词组短语

resting frequency

与载频相关的网络例句 [注：此内容来源于网络，仅供参考]

The common equation of the evolution of spectrum caused by selfphase modulationis presented, which is the convolution of action spectrum and chirped spectrum caused by selfphase modulation when carrier frequency is single.

给出了由自相位调制引起的频谱演变的普遍表示，即单载频脉冲的SPM引起的啁啾频谱与光源的频谱的卷积，通过数值计算给出从相干脉冲到非相干脉冲的频谱演变规律。

Using high-speed ADC front-end to cover a given monitor bandwidth, carrier frequency at a rough estimate and considering some of the protection zone, use less uniform bandpass sampling theorem interpolation line drawn in order to get the signal after subsampling.

详细说明：利用前端高速ADC来覆盖给定的监视带宽，在粗略估计载频并考虑一定的保护带，利用带通信号的均匀欠采样定理行内插抽取，以获得欠采样后的信号。

Experiments shows that it can detect the carrier frequency and the low frequency of modulation signal as expected, the resolution of the carrier frequency is 0.3Hz,the detecting error is within ±0.5Hz, and the resolution of the low modulation frequency is 0.07Hz, the detecting error is within ±0.05Hz.

实验结果表明该检测仪能很好地检测出信号的载频和信号的低频调制信息，其中信号载频的分辨率为0.3Hz，误差范围在±0.5Hz 以内，低频信息的分辨率可达0.07Hz，信号的误差在±0.05Hz。

This algorithm can estimate carrier frequency, and rate of the PN code, eliminate the effect of noise using the second order cyclic stationary characteristic without a prior knowledge.

该算法在先验知识缺乏的情况下，充分利用直扩信号的二阶循环平稳特性，排除噪声干扰，对载频和码速率进行估计。

A rapid and precise algorithm without phase unwrapping for phase retrieval from a single carrier-frequency fringe pattern is proposed.

针对单幅载频变形条纹图的相位重构问题，提出了一种快速、高精度和免解包裹的相位恢复新算法。

Based on discussion of essentiality and some determinations of weights, we propose an ordered ratio method. Furthermore, using logarithm least square principle and group Analytic Hierarchy Process, we determine weights of imperil factors for radiant, and give a new judgment model and method of radiant imperilment grade evaluations.

第四章在分析目标权重的本质和概述几种常见的目标权重确定方法的基础上，提出确定目标权重的有序比值方法，并利用对数最小二乘原理和群体AHP方法确定载频、重频等威判诸因子的权重，给出一种判断辐射源威胁等级的定量与定性相结合的新方法。

Within a communication system the information transfer is frequently achieved by superimposing or modulating

在通信系统中，信息传输是通过把信息替加在电磁波卜或对电磁波进行调制来实现的，电磁波起着载送信号的作用，这一经过调制的载频随后被传送到要求的目的地，在那里被接收，并且通过解州还原成原始信息。

Base Station type Software versionTypes of carrier frequency board adoptedTypes of combiner adoptedWhether had obtained the network license or notIndoor type or outdoor type Whether the master port is separated from the remote-port The maximum carrier frequency capacity of single cabinet The maximum supportable sector numbers of single cabinetWhether it is dual-carrier frequency board or notMust it be paired configuration if it's dual-carrier frequency board (namely, the type of single carrier frequency station could only configure the dual-carrier frequency on hardware) The maximum achievable configuration of a single station of the single cabinetReceiver sensitivity The maximum expand capacity of a single base station (the maximum number of TRX in configuration / the number of cabinets which is required)(fill in according with the three sectors) Top box transmitted power (given separately a grade one combine and a grade two combine) The maximum output power of amplifier (voice, a single logical carrier frequency) The maximum output power of amplifier (EGPRS, a single logical carrier frequency)Whether it has tower-interfaceWhether it has built-in lightning protectionWhether it support the ultra-long cover / whether it need for software support (give simple description that how hardware and software could achieve this) The supporting condition of EGSM (it should be supported including by the carrier frequency, combiner) Dual-band carrier wave (whether it supports the mixed use of 900 M/1800M in the same cabinet) The commonality of duplicate parts Whether it can built-in transmission unitThe single cabinet size (high × width × deep) Installation method Whether it can place against the wallThe basic frame full-configured weight and the supportable number of carrier frequencyThe expansion frame full-configured weight and the supportable number of carrier frequency

基站型号软件版本号采用载频板型号采用合路器型号是否已取得入网许可室内型or室外型是否是主远端分离单机柜最大载频容量单机柜最大支持的扇区数是否是双载频板如是双载频板，是否必须成对配置(即单载频站型只能硬件配置双载频)单机柜可达到的单站最大配置接收机灵敏度单基站最大扩展能力(最大配置TRX数/需机柜数)(按3扇区填写)机顶发射功率(分别给出一级合路与两级合路)功放最大输出功率功放最大输出功率(EGPRS，单个逻辑载频)有无塔放接口有无内置避雷装置是否支持超远覆盖/是否需要软件支持(简单描述软硬件如何实现)EGSM支持情况(包括载频、合路器均应支持)双频段载波（是否支持900M/1800M在同一机柜内混合使用）备件通用性是否可以内置传输单元单机柜尺寸安装方式可否靠墙放置基本架满配重量及支持载频数扩容架满配重量及支持载频数是否支持基本架与扩容架跨扇区满配功耗满配时重量供电方式机柜进出线方式合路器损耗合路能力：几合一单扇区最大支持几载频合路到一副天线/采用几个合路器单扇区载频达到需要增加一副天线时，是否支持两级合路换以不增加天线如两级合路插损为是否支持基带跳频和合成跳频每单个合路器在从低载频数向高载频数扩容时，是否还需要增加硬件可用性指标MTBFMTTR系统中断服务时间硬件是否支持EGPRS本次报价软件版本号开始支持EGPRS的软件版本号其他特点注： 1 应分别填写出来按照本次报价要求所采用的全部BTS型号和采用的合路器型号 2 列出本报价要求的全部室外型基站与高功放单元

To counter the problems of short circuiting or unreliable protection for current leaking on the 660V Power Distribution Cabinet, the problem is solved with some carrier frequency devices, which makes the 20kHz carrier frequency signal indicator lit at all times, no matter the power switch is in either ON or OFF position.

针对660V的配电柜存在短路时产生弧光及放炮现象，以及漏电保护不可靠的问题，通过采用载频保护后，不论配电开关柜电缆是否送电，配电柜上始终有20kHz载频信号。

Early identification techniques based on classical parameters such as: radio frequency, pulse width, pulse repetition interval.

早期的辐射源识别方法都是在常规参数层面上进行识别，比如载频、脉宽、重频等。

与载频相关的网络解释 [注：此内容来源于网络，仅供参考]

PIF APC：图象载频锁相环滤波

57.BLACK 黑电平检波滤波 2.2 | 58. PIF APC 图象载频锁相环滤波 2.3 | 59. AFT.OUT AFC输出 2.1

sub bituminous coal：次烟煤

sub-audio 亚声频的 | sub-bituminous coal 次烟煤 | sub-carrier frequency in hertz 以赫表示的副载频

coda wave：尾波

coda spectrum 尾波谱 | coda wave 尾波 | codan 载频控制的干扰抑制器

LO：本振

对于像LTE和WiMAX当中的正交频分复用(OFDM)信号,本振(LO)的相位噪声叠加在n个副载波上的. 这里的相位噪声有两个效果:(1)所有副载波的随机相位旋转常称为公共相位误差(CPE);(2)载频间干扰(ICI)是由给定的副载波被n-1个相邻的带有噪声的副载波恶化而产生的.

motional impedance：动生阻抗 从加载阻抗中减去受挡阻抗的复数差

mechanical stiffness 力劲 容性力抗乘以角频率 | motional impedance 动生阻抗 从加载阻抗中减去受挡阻抗的复数差 | Natural frequency 固有频率 系统自由振动时的频率,在多自由度系统中,固有频率是简正振动的频...

colour multiplexing：彩色信号多路传输系统, 彩色副载频正交调制

geotectonic subsidence 大地构造下陷 | colour multiplexing 彩色信号多路传输系统, 彩色副载频正交调制 | full sized brick 整砖

carrier reinsertion：载频恢复

carrier reduced SSB 减载波单边带 | carrier reinsertion 载频恢复 | carrier ring 支承环

carrier reinsertion：载频重置

carrier precipitation | 载体沉淀(作用) | carrier reinsertion | 载频重置 | carrier repeater | 载波增音器

multichannel carrier-frequency telephone terminal：多路载频电话终端机

multichannel bundle cable 多通道束式光缆 | multichannel carrier-frequency telephone terminal 多路载频电话终端机 | multichannel coherence filter 多道相干滤波器

single-channel carrier frequency telephone terminal：单路载频电话终端机

single-channel analyzer 单道分析器 | single-channel carrier frequency telephone terminal 单路载频电话终端机 | single-channel digital exploration seismograph 单道数字地震仪