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一个VHDL实现的测频计
- 一个vhdl实现的测频计,开发环境为任何支持vhdl语言的厂商提供的开发环境 -VHDL achieve a frequency measurement of dollars, development environment for any VHDL language support for manufacturers of the development environment
采用等精度测频原理的频率计的程序与仿真
- 采用等精度测频原理的频率计的程序与仿真
一个VHDL实现的测频计
- 一个vhdl实现的测频计,开发环境为任何支持vhdl语言的厂商提供的开发环境 -VHDL achieve a frequency measurement of dollars, development environment for any VHDL language support for manufacturers of the development environment
pinlvji
- 本频率计具有测周、测频、测量占空比等基本功能，能自动换档，误差为1%-the frequency meter is measuring weeks, frequency measurement, measuring the ratio of the basic functions can automatically shift error of 1%
frequency
- 基于超外差的瞬时测频方法的研究。请多多指教-superheterodyne based on the instantaneous frequency measurement methods. Please exhibitions
dengjingdupinlv
- 等精度测频原理的频率计程序与仿真。。希望大家能用的到撒-such precision frequency measurement principles of Cymometer procedures and simulation. . Hope everyone can withdraw to the
frequent
- 这是个用VHDL写的测频源程序,最大可测10M,你可以任意修改,但请你更新后发一份给我-This is written using VHDL source frequency measurement, the largest measurable 10M, you can modify, but please update me with a
DFT4_double_point
- 基于DFT的瞬时测频算法，及插值算法，最后由图形表示测频结果。-Based on the Instantaneous Frequency Measurement DFT algorithm, and the interpolation algorithm, and finally by the graphical representation of frequency measurement results.
Digital
- 数字频率计数器又称通用计数器，是电子测量领域中最常见的测量仪器之一。它可以测量正弦波的频率（周期），脉冲波的频率（周期），脉冲宽度等时间参数。在通信，电子等领域中有广泛的应用。本文对传统的测频方法中存 在的精度低的问题进行了分析：数字频率计数器在测量高频信号时能够达到足够高的测量精度，但在测低频信号时，其测量结果的有效位数将会减少，精度也会相应的降低。在此基础上提出了一种基于单片机的等精度测频率，测周期，测脉冲宽度的实现方法。介绍了单片
equal_precision_cymometer
- 采用等精度测频原理的频率计的程序与仿真,用verilog语言实现,可以仿真综合得到所想时序!-Such as the accuracy of frequency measurement using the principle of the frequency of procedures and simulation, using Verilog language, you can get the integrated simulatio
MCU_MeasureFrequency
- 单片机测频程序 采用测频法和测周法进行等精度测量频率，测频范围：20Hz到29kHz-Single-chip frequency measurement procedures for the use of frequency measurement method and measurement method, such as precision-week measurement frequency, frequency range: 2
danpianjicepinchenxi
- 单片机测频汇编程序，以89C51为例，0--255Hz ，T0口输入信号。-Compilation of single-chip frequency measurement procedures to 89C51 for example, 0 255Hz, T0 I input signal.
frequency
- 这个程序是基于等精度测频原理的频率计，用VHDL语言实现，频率测量测量范围1~9999；用4位带小数点数码管显示其频率，并且具有超量程、欠量程提示功能。-This procedure is based on the principle of frequency measurement accuracy, such as the frequency meter, using VHDL language, frequency measure
daolafexiyi
- 基于8051F实现导纳分析仪,键盘,液晶,功能都全有,其中包含测频,测相,测高电平,测低电平,测幅.等多种算法思想.用C语言实现.绝对原创!-Based on 8051F realize admittance analyzer, keyboard, LCD, functions are all there, including frequency measurement, phase measurement, test high, lo
fre
- 基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.
cpld11245
- 主要介绍了等精度频率测量原理，该原理具有在整个测试频段内保持高精度频率 测量的优点 同时在该原理基础上，采用了Verilog HDL语言设计了高速的等精度测频 模块，并且利用EDA开发平台QUARTUS11 3 .0对CPLD芯片进行写人，实现了计数等 主要逻辑功能 还使用C语言设计了该等精度频率计的主控程序以提高测量精度。本设 计实现了对频率变化范围较大的信号进行频率测量，能够满足高速度、高精度的测频要 求。-In
cepin
- 瞬时测频的基础知识、多信道法瞬时测频、鉴频法瞬时测频、干涉仪比相法瞬时测频、驻波鉴相法瞬时测频、瞬时测频编码、数字计算法瞬时测频-Instantaneous Frequency Measurement of the basic knowledge, multi-channel method of instantaneous frequency measurement, frequency Instantaneous Frequency
stft_timefreq_complexSignal
- 短时傅立叶变换测频，可对复信号处理。界面设计好，用户交互方式编程。-STFT frequency measurement can be complex signal processing. Interface design, the user interactively programming.
EDA-basedtechnologiessuchasprecisionmulti-function
- 在对三种测频方法进行分析的基础上，介绍了基于EDA技术的等精度测频原理。给出采用AT89C51实现控制并通过FPGA来设计多功能等精度数字频率计的具体方法。该频率计可以兼顾频率计对速度、资源和测频精度等各方面的优化需求。-Frequency of three methods of analysis based on EDA technology based on the principle of frequency measuremen
比相法瞬时测频接收机仿真
- 测频接收机 用于接收雷达信号 雷达信号的接收 生成雷达的信号格式(Frequency measurement receiver is used to receive radar signal)