您要查找的是不是：
- Low fault rate frequency signal source 低误差频率信号源
- ultra-low frequency signal source 超低频信号源
- According to the technology of direct digital synthesis(DDS),a kind of low frequence signal source was introduced based on the Complex Programmed Logical Device(CPLD)and Single Chip Micyoco(SCM). 介绍了一种应用直接数字频率综合器(DDS)技术,基于可编程逻辑器件(CPLD)和单片机设计的低频信号源。
- Design of Low Frequence Signal Source Based on CPLD and SCM 基于CPLD和单片机的低频信号源设计
- frequency signal source 频率信号源
- Simple Signal Source based Micro Controller. 单片机简易信号源。短句来源。
- sweep frequency signal source 扫频信号
- The technology of direct digital synthesis is applied to realize signal source with the frequency range from 1Hz~5MHz, and the minimum frequency absolution to 0.2Hz. 信号源采用直接数字合成原理实现;频率范围从1Hz-5MHz;最小分辨率为0.;2Hz。 高速数据采集使用12位A/D转换器;最高采样频率40MHz。
- Time clock signal source directly fetches from clock signal of PCI bus in the computer system or signal generator, which can generates high frequency time clock signal. 该时钟信号源直接取自于该电脑系统中PCI总线的时钟信号或是一可产生高频时钟信号的时钟信号产生器，用以供应该计数电路所需的输入时钟信号。
- The single-chip function generator ICL8038 can get synchronous sine wave of constant amplitude in PLL as voltage control oscillation(VCO), which is a basic signal source of static frequency converter. 单片函数发生器ICL8038在PLL中作为压控振荡器(VCO)产生同步等幅正弦波，可作为静止变频器的基准信号源。
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- Design criteria for such signal source are derived, upon which one can choose the PLL loop bandwidth by trade-off considerations, to get a relatively low BER, simultaneously obtain low spurious output and fast frequency hopping as well. 为了减小相噪对系统性能的影响，导出了此类信号源的设计判据，据此可基于折衷考虑选取环路带宽，以便同时获得较低的误码率，以及低的寄生输出和较快的频率跳变速度。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低频信号发生器的输出只有几种固定的波形,不能更改。
- There will be some impedance mismatching between the signal source and the load. 阻抗之间会有一些不协调的信号源和负载。
- Can control audio frequency signals remotely，the volume can be modulated. 可对各路音频信号进行远程操控，音量可调；
- In an ideal amplifier, the final stage tube acts as a signal source and the output transformer acts as a load. 在一个理想放大器,最后阶段管作为信号源和输出变压器的负载。
- High quality REC of video frequency signal and big area communion of video frequency resources are the important parts of Instruction Multimedia Resources. 其中,视频信号的高质量录制、视频资源的大范围共享,是多媒体教学资源建设的重要组成部分,成为教育界所关注的重点。
- Just the signal source and the load on the DC loop should share the signal power. 作为信号源和负载的直流回路功率应分担信号。
- We can local the EHG signals source more easily by using this new electrode. 同时,提出了一种新型的有源拉普拉斯的电极的设计,为将其应用于临床EHG信号检测做准备。
