该成果由二相码产生、二相码调制与解调、数字脉压处理、求模及积累等部分构成。 系统的主要特点及主要技术指标为:1)实现了大压缩比二相码的产生与处理、码长在190位以下通用;2)具有波形捷变能力;3)码组具有良好的自相关、互相关及非参积累特性,在∫_d=0,码长为190位时,其主副比达到28.2～29.4 dB;4)实现了长、短码频率分集技术, The results from the two-phase code generation, two-phase modulation and demodulation of digital code, digital pulse pressure processing, and the accumulation of such parts. The main features of the system and the main technical indicators are as follows: 1) The generation and processing of two-phase code with large compression ratio is achieved, the code length is less than 190 bits; 2) the ability of waveform agility; 3) the code group has good autocorrelation , Cross-correlation and non-parametric accumulation characteristics, the main and auxiliary ratio reaches 28.2 ~ 29.4 dB when ∫_d = 0 and code length is 190. 4) Realization of long and short code frequency diversity technology,