采用超声波传感器HC-SR04为测距元件、LCD1602液晶屏为显示器件、蜂鸣器和红光LED为报警器。超声波传感器HC-SR04将采集的数据通过信号线传送给单片机，利用MATLAB进行数据拟合，提高了测量精度，然后通过LCD1602液晶屏实时显示。-HC-SR04 ultrasonic sensor distance measuring element is , LCD1602 LCD screen display, buzzer and red LED for the alarm. HC-SR

About ultrasonic parking radar ranging, Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.

About ultrasonic parking radar ranging, cordic matlab simulation algorithm, Six degrees of freedom to achieve inverse kinematics algorithm.

Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, About ultrasonic parking radar ranging, matlab wavelet analysis program.

About ultrasonic parking radar ranging, Robustness, superior performance, Course designed to prepare the matlab program code.