| 1. | In the end , the principle of multi - channels equalization is studied . according to the performance of gain - and - phase errors in the receivers , a simple and efficient method is put forward
在本文的最后分析了多天线、多接收通道间幅相不一致性的均衡原理，根据接收机对信号幅相不一致性特性的分析，提出简易可行的频域补偿方法。 |
| 2. | This approach needs one receiver with every antenna working in time - division mode , which uses the standard array signal processing algorithm to finding direction after recovering the multiple signals by interpolation
此方法采用一个接收通道，各阵元以时分方式工作，采用插值的方法恢复出各路信号，然后运用阵列信号处理算法进行测向。 |
| 3. | Because the sonar system have high frequency , high resolving capability and 128 receiving channels , the unit can not only sampling , store and translate the receiving sound - signals , but also have the property of lower power
由于声纳系统工作在高频率，并且具有高分辨率和128个接收通道，所以水下单元的设计不仅能够对接收声信号进行高速采集、存储和传输，而且还具有低功耗， 。 |
| 4. | Inconsistency between the sum and difference channels in the phased array radar system will affect angle measurement accuracy if the monopulse angle measurement technique is employed . in order to achieve better angle measurement accuracy , they need to be calibrated
在采用单脉冲技术对目标进行角度测量的相控阵雷达系统中，和差波束接收通道的幅相不一致性对系统的角度测量精度有较大的影响。 |
| 5. | The calibrating technology is mainly divided into two groups : the off - line ones and the on - line ones . the former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals
离线校正的方法是现阶段单脉冲雷达系统进行和差通道幅相校正采用的主要方法，它通过注入测试信号的方法来得到对误差接收通道幅相特性的估计。 |
| 6. | Chapter four is focused on this and it gives us a very detailed introduction to the calibrating idea and algorithm realizations . it also introduces the calibrating performances by using three different off - line calibrating algorithms along with the simulation results
文章第四章针对离线校正的思路与算法作了详细地介绍，比较了三种离线校正算法在不同的误差模型与噪声模型中对和差接收通道校正后角度测量精度变化的情况。 |
| 7. | Based on mono - pulse radar system and the analysis of terrain echoes , a geometrical model of air to ground ranging is constituted . by using the signals received from the sum and difference channels of terrain follow radar , a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained . according to the characteristics of the echoes , the theory and method of pass zero detection of difference channel and its applications are discussed in detail
针对一维单脉冲雷达体制，分析了地形目标回波特性；建立了地形跟随雷达空地测距的几何关系；利用雷达收发信号，导出了地形跟随雷达和差接收通道的回波信号表达式，进行了波形仿真，得到了地形跟随雷达的地面散射产生回波在时域中的特性；根据和差回波特性，阐述了差信号过零点检测测距的原理和方法及工程实践中的应用，并给出了真实雷达对外辐射试验的结果，验证了文中的仿真。 |
