frequency step的例句大全

with the increasing complexity of modern radar functions, the frequency source of radar target simulator that has coherent, high frequency, wide band, fast frequency switching, small step, low phase noise, low spurious, is required.

随着现代雷达功能的日趋复杂，往往要求其目标模拟器频率源同时具有全相参、高频率、宽频带、捷变频、小步进、低相噪和低杂散等性能。

using encryption technology to improve security, it means to adaptive select the quantization step in wavelet low frequency coefficient.

水印嵌入时利用加密技术来提高水印的安全性，依据小波低频系数自适应的选取量化步长。

step recovery diode frequency multiplier

阶跃恢复二极管倍频器

at the first stage, power amplify pushes the step recovered diode to achieve a frequency quintupling.

第一级采用无源倍频的方式，先将输入信号功率放大以推动阶跃恢复二极管实现五倍频。

dedicated equipment for high frequency quenching of step shafts in hydraulic valves

液压阀阶梯轴高频淬火专用设备

the relation between step frequency, step length and step velocity: step frequency is the dominating factor that affects the double-push;

步频、步长和步速的相关关系：步频是影响双蹬技术速度的主要因素；

it indicates that compared to the traditional step up transformer system, the series resonance system has a lot of advantages for the commercial frequency voltage test of high voltage, large size and large length power cables.

提出了该系统对高电压、大截面和大长度电缆的进行工频耐压试验与传统的升压器试验系统相比，具有众多的优点。

A Adjusting Voltage Step Motor Driving Circuit by Dividing Frequency Used in NC Machine Tool

用于数控机床的分频段调压步进电机驱动电路

Meanwhile, various receiver modules are designed respectively to accept step frequency signal, and their properties are simulated, such as receiver bandwidth, VSWR and so on.

然后分别设计了实现接收步进频率信号的接收机的各个模块，并仿真了它们的性能，如接收机带宽、驻波比等。

Processing of conical scan step frequency radar signal

步进频率圆锥扫描雷达信号处理

Variable frequency charging technology, quick charging speed , step-less voltage regulation.

变频充电技术, 充电速度快, 无级调压.

It suit well to the MPEG-2 TS output, decode and display system, meeting the demand on the range of frequency, step precision and stabilization of SDTV and HDTV TS. It can decode and play normally.

与MPEG-2TS输出、解码、显示系统联调，可满足SDTV（标准清晰度电视）和HDTV（高清晰度电视）TS对频率范围、步级精度、稳定度等的要求，解码、播放正常。

Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands.

高频雷达工作在电磁环境十分恶劣的短波段，为避开干扰严重的频段，采用一种准随机跳频信号。

For the requirements of the signal-to-noise ratio of lower in part of telephone channel the algorithm to convergence in the time domain and frequency domain step by step.

针对部分线路上语音信噪比较低的实际，引入谱熵进行分级检测，将算法在时域和频域逐级进行收敛。

This paper summarizes the characteristics of the wavelength phase-shifting interferometry and divides the step measurement algorithms of wavelength phase-shifting interferometry into temporal domain and frequency domain algorithms.

概括了波长移相干涉技术的特点，将基于波长移相干涉技术的台阶测量算法分成两类：时域算法和频域算法。

This paper mainly introduces the computation of time interval of pulse delay in the design of pulse positioning of rise and fall frequency of step motor with microcomputer control.

主要介绍微机控制步进电机升降频脉冲定位设计中，脉冲间隔时间的计算方法。