Pulse doppler measuring apparatus

摘要: The present invention relates to a pulse Doppler measuring apparatus using the so-called acceleration method. In order prevent production of secondary aliasing (where phase vector is subjected an aliasing), provided with MTI filter, which decomposes first reflected wave obtained by mixing reflection signal reference into real part and imaginary part, obtains regression line for variations each parts extracts second corresponding only high frequency component calculating differences from line; and/or angular Δθ difference obtained; this angle Δθ; corrected line, aliasing.