爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.The periodic function is separated into the digital quantity. it has the high stability signal sweep frequency using the phase-lock link to carry on to the digital quantity reading, through D/A transformation, the appropriate filter may obtain the high stability signal output.
摘要将周期函数离散成为分离的数字量，利用锁相环产生高稳定度的信号扫描频率对数字量进行读取，经过D/A变换及恰当的滤波可以获得高稳定度的信号输出。收藏指正
2.It also presented a method of realizing frequency modulation by real-time changing frequency tuning word of high-speed phase accumulator, Frequency sweep, FM and FSK modulation are analyzed and designed. The data can be built stably and the frequency be synthesized is correct.
重点对高速相位累加器、FM、扫频、FSK等调制的实现方法进行了分析并基于FPJ进行,数据能够稳定建立,频率合成正确。收藏指正
3.To solve the problem of targets pairing between positive and negative frequency sweep in triangular LFMCW radar for multi targets, a method of velocity pairing is proposed. The method realizes targets pairing and range-velocity decoupling by the symmetry of the spectrum between positive and negative frequency sweep and the difference of the ambiguous Doppler velocity.
为解决多目标环境下对称三角LFMCW雷达上/下扫频段目标配对困难的问题,提出了一种利用运动目标在上/下扫频段频谱的对称性,并结合各个目标模糊多普勒速度的差异,实现上/下扫频段目标的准确配对及距离速度去耦合。收藏指正
4.The time function of the frequency speetrum is a logarithmic sweep signal,whose amplitudes in 10—100Hz band may be increased by 20 db.
此频谱的时间函数为一对数扫描信号,在其10—100赫的频带内,振幅强度可以增长20分贝。收藏指正
5.The project is to develop the 100MHz Wideband Digital Storage Oscilloscope(WDSO)，Typical performance character: input signal -3db bandwidth is 100MHz, real time sampling frequency is 20MSa/S, equivalent sampling frequency is 10GSa/S, resolution is 8bits, dual signal channel, and delicacy is 5mv－5v／div per channel，time sweep velocity is 2.5ns--5s／div。
本次课题的具体目标是实现100MHz带宽的数字存储示波器正样机的研制，具体主要性能指标达到最高实时采样率20MSa/S、等效采样率10GSa/S、被观测信号3DB模拟带宽达100MHz、采样数字分辨率8bit； 双通道，幅值灵敏度：5mv－5v／div，扫速2.5ns--5s／div。收藏指正
6.The project is to develop the 100MHz bandwidth, equivalent sampling frequency is 1G/Sa, resolution is 8bits, dual signal channel, and delicacy is 5mv- 100v/div per channel,time sweep velocity is 20ns--5s / div Digital Storage Oscilloscope(DSO)。
本设计的具体目标是实现带宽为100MHz,等效采样率为5GSa/s,采样数字分辨率为8bit; 双通道,幅值灵敏度为5mV～100V/div,时基为:10ns～5s的手持式数字存储示波器.收藏指正
尝试查询
汉英释义