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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。介绍了单片机的内部计数器与程序的运算功能进行等精度测量方法的实现。给出
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 simulation timing would like!
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: 20Hz to 29kHz
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 measurement range 1 ~ 9999 with four
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, low-level measurement, measured
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。-Introduced, such as the accuracy
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 Measurement Act, interferomete
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 measurement accuracy, etc.. AT89C51 give
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)