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Description: 一个能够精确测量信号有效值的电路和程序，采用AT89S52单片机和KEIL软件编程，实践测量精确度很高。-One can accurately measure the signal RMS circuit and procedures, using AT89S52 microcontroller and KEIL software programming, and practice measuring with high precision.
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Size: 2048 |
Author: 陈辉 |
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Description: 测量电压、电流顺时值、有效值，并可测量电能的双向单相测量芯片。-Measuring voltage and current along a time when, RMS, and can measure two-way single-phase power measurement chip.
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Size: 641024 |
Author: baihuijing |
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Description: PSNR is used to measure the difference between two images. It is defined as
PSNR = 20 * log10(b/rms)
where b is the largest possible value of the signal (typically 255 or 1),
and rms is the root mean square difference between two images. The PSNR is
given in decibel units (dB), which measure the ratio of the peak signal
and the difference between two images. An increase of 20 dB corresponds to
a ten-fold decrease in the rms difference between two images.
Platform: |
Size: 1024 |
Author: Marcella |
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Description: STM32F103 Timer, ADC, Voltage RMS Measure
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Size: 859136 |
Author: kimsuro |
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Description: 可以测量输入信号的频率、幅度、峰峰值、和有效值。其中频率的测量范围为1HZ到100KHZ.-Can measure the input signal frequency, amplitude, peak to peak, and RMS. One frequency range of 1HZ to 100KHZ.
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Size: 10240 |
Author: zhongfeng |
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Description: 该程序用于测电网的交流电压有效值，最后的结果将在4个LED上显示，保留1位小数-The procedures used to measure the AC rms voltage of the grid, the final result will be displayed on the four LED to retain a decimal
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Size: 309248 |
Author: cat |
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Description: 用单片机测量交流电压，显示其电压瞬时值，采样周期时间，实际采样个数，交流电压有效值-MCU measure AC voltage, the voltage instantaneous value display, the sampling period of time, the actual number of samples, the AC voltage rms
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Size: 3072 |
Author: yaobo |
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Description: CS5460A 是一个包含两个ΔΣ模-数转换
器（ADC）、高速电能计算功能和一个串行接
口的高度集成的ΔΣ 模-数转换器。 它可以精确
测量和计算有功电能、 瞬时功率、 I
RMS 和VRMS ，
用于研制开发单相2 线或3 线电表。CS5460A
可以使用低成本的分流器或互感器测量电流，使
用分压电阻或电压互感器测量电压。CS5460A
具有与微控制器通讯的双向串口， 芯片的脉冲输
出频率与有功能量成正比。 CS5460A 具有方便
的片上AC/DC 系统校准功能-The CS5460A is a highly integrated power measurement solution which combines two ∆ Σ
Analog-to-Digital Converters (ADCs), high speed
power calculation functions, and a serial interface
on a single chip. It is designed to accurately measure and calculate: Real (True) Energy,
Instantaneous Power, IRMS, and V
RMS for single
phase 2- or 3-wire power metering applications.
The CS5460A interfaces to a low-cost shunt resistor or transformer to measure current, and to a
resistive divider or potential transformer to measure voltage. The CS5460A features a
bi-directional serial interface for communication
with a micro-controller and a pulse output engine
for which the average pulse frequency is proportional to the real power. The CS5460A has on-chip
functionality to facilitate AC or DC system-level
calibration
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Size: 574464 |
Author: longyong |
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Description: HT7038 系列多功能高精度三相电能专用计量芯片，适用于三相三线和三相四线应用。 HT7038 集成了 6路二阶sigma-delta ADC 、参考电压电路以及所有功率、能量、有效值、功率因数及频率测量的数字信号处理等电路，能够测量各相以及合相的有功功率、无功功率、有功能量及无功能量，同时还能测量各相电流、电压有效值、功率因数、相角、频率等参数，充分满足三相复费率多功能电能表的需求。(HT7038 series of multi-functional and high-precision three-phase power metering chips are suitable for three-phase three-wire and three-phase four-wire applications. HT7038 integrates six second-order sigma-delta ADC, reference voltage circuit and digital signal processing circuits for all power, energy, RMS, power factor and frequency measurements. It can measure active power, reactive power, active and non-functional quantities of phases and phases, and also can measure parameters such as current, voltage RMS, power factor, phase angle and frequency of phases. It can fully meet the needs of three-phase multi-rate multi-functional watt-hour meter.)
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Size: 1789952 |
Author: 红烛 |
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