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- sweep frequency signal source 扫频信号
- 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。
- An Intelligent Sweep Frequency Signal Generator Used in Non-contact Electromagnetic Coupling System 用于非接触式磁耦合系统的智能扫频信号仪
- 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
- Simple Signal Source based Micro Controller. 单片机简易信号源。短句来源。
- frequency signal source 频率信号源
- At last, several plans of sweep signal source with DDS and PLL together are discussed, based on one of them, the L-band sweep signal source is designed successfully. 最后,分析DDS和PLL相结合的扫频源的方案,利用其中的一种方案设计出L波段的扫频源。
- djustable high-speed sweep frequency source 可调的高速扫频源
- The Realization of the Precise Frequency Sweep Signal Source 高精确度扫频信号源的实现
- swept frequency signal 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 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。
- 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 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。
- multi-channel and sweep frequency measurement 多通道扫频测量
- 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。
- 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;