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DSP编程 This paper analyzes the vector control theory of asynchronous motors based on the magnetic orientati
This paper analyzes the vector control theory of asynchronous motors based on the magnetic orientation of motor rotors, and its mathematical model is made. Then the variable frequency vector speed-adjusting experimental system is built with the DSP TMS320F2812 which works as the core control chip an ...
单片机开发 MBUS协议 The bus communication system of EN1434-3 is commonly called M-Bus. Its application layer des
MBUS协议
The bus communication system of EN1434-3 is commonly called M-Bus. Its application layer describes
a standard especially for meter readout. It can be used with various physical layers and with link layers
and network layers which support the transmission of variable length binary transparen ...
单片机编程 CAT5110 CAT5118 CAT5119 CAT512
CAT5110/18/19/23/24/25 linear-taper digitally programmable potentiometers perform the same function as a mechanical potentiometer or a variable resistor. These devices consist of a fixed resistor and a wiper contact with 32-tap points that are digitally controlled through a2-wire up/down serial inte ...
单片机开发 // This program measures the voltage on an external ADC input and prints the // result to a termin
// This program measures the voltage on an external ADC input and prints the
// result to a terminal window via the UART.
//
// The system is clocked using the internal 24.5MHz oscillator.
// Results are printed to the UART from a loop with the rate set by a delay
// based on Timer 2. This loop p ...
电子书籍 Servomotors are available as AC or DC motors. Early servomotors were generally DC motors because the
Servomotors are available as AC or DC motors. Early servomotors were generally DC motors because the only type of control for large currents was through SCRs for many years. As transistors became capable of controlling larger currents and switching the large currents at higher frequencies, the AC se ...
邮电通讯系统 This example describes how to use the ADC and DMA to transfer continuously converted data from ADC
This example describes how to use the ADC and DMA to transfer continuously
converted data from ADC to a data buffer.
The ADC is configured to converts continuously ADC channel14.
Each time an end of conversion occurs the DMA transfers, in circular mode, the
converted data from ADC1 DR register to t ...
数学计算 Probabilistic Principal Components Analysis. [VAR, U, LAMBDA] = PPCA(X, PPCA_DIM) computes the princ
Probabilistic Principal Components Analysis. [VAR, U, LAMBDA] = PPCA(X, PPCA_DIM) computes the principal
％ component subspace U of dimension PPCA_DIM using a centred covariance
matrix X. The variable VAR contains the off-subspace variance (which
is assumed to be spherical), while the vector LAMBDA ...
系统设计方案 The most straightforward approximation is the standard Gaussian approximation, where the MAI is appr
The most straightforward approximation is the standard Gaussian approximation, where the MAI is approximated by a Gaussian random variable. This approximation is simple, however it is not accurate in general. In situations where the number of users is not large, the Gaussian approximation is not app ...
书籍 Value+Driven+Product+Planning+and+Systems
The “bottom-line” metrics of cash flow, demand, price, and return on investment
are driven by a second set of financial metrics represented by value to the
customer, cost, and the pace of innovation. Get them right relative to competition
and impressive bottom-line results should follow. Because o ...