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- echo signal form 回波信号生成
- It can also simulate the speed about distance changing and adjust the pulse width of echo signal. 此外，本目标回波距离处理器还可以仿真距离变化速率，调节回波脉冲的宽度。
- SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration. SPGA算法利用估计得到的侧摆对距离徙动校正前的回波数据进行包络和相位补偿。
- Describes a distance simulator of echo signal used in radio frequency simulation system. 描述了射频仿真系统中使用的目标回波距离处理器。
- Because the truths of the echo signal simulation are directly influenced by the accuracy of the simulation algorithms. 模拟算法的优劣直接影响着模拟产生的回波信号的真实性。
- Radio frequency simulation system(RFSS) is mainly used to simulate echo signal of radio frequency target in laboratory. 射频仿真系统(RFSS)主要是用在实验室里模拟空中射频目标信号。
- Binary offset carrier(BOC)modulation is the key to the new signal form which has been put forward for GPS. GPS系统中提出了一种新的信号形式,二进制偏移载波(BOC)调制是这种新的信号形式产生的技术关键。
- By interaction between ultrasonic waves and elastic medium, it has carried much information of material, which are received in the form of ultrasonic echo signals. 它是利用超声换能器的振动产生的超声波与弹性介质相互作用,从而携带大量有关材料性能的信息,这种信息以超声回波信号的形式被接收到。
- LFM signal will likely become the main signal form in underwater target strength broadband test. 摘要线性调频信号可能将成为水下目标强度宽带测试的一种主要信号形式。
- A way to measuring the vector miss distance using echo signal from Multiple Frequency CW-Tracking Radar is described in this paper. 本文详细介绍了利用多频连续波测量雷达回波信号进行脱靶量测量的方法。
- Miss distance parameters are estimated by matching pursuit algorithm to search the basis function which best matches the echo signal. 通过匹配追踪算法寻找与回波信号最匹配的基函数来确定脱靶量参数。
- Adaptive MTI techniques used in radar signal processing,that is,moving clutter suppression to radar echo signal is discussed. 讨论雷达信号处理中的自适应动目标显示技术,即雷达回波信号中的运动杂波抑制问题。
- The use of keys or push-buttons instead of a rotary dial to generate a sequence of digits to establish a circuit connection. The signal form is usually tones. 用按键或按钮代替旋转式拨号盘,产生一个数字序列以建立电路连接的方法。这种信号形式通常是单音。同key pulse。
- The imaging fundamental of SAR was expatiated and the raw echo signal model of complex three-dimensional ground object target was established. 阐述了复杂三维地物目标模型的建立方法,分析了回波信号的结构并且讨论了成像仿真参数。
- Based on non-Gaussian AR-model, parametric bi-spectrum method is used to extrapolate radar echo signal; then the ISAR imaging has been done. 利用双谱分析方法,用非高斯AR模型对雷达目标回波信号进行参数化双谱估计,并在此基础上对数据进行外推处理,然后对数据进行ISAR成像。
- Designing a signal form which is compatible both for ship and air target detection is the key to the HF (high frequency ) radar which works in a ship-plane mode. 设计同时探测海面舰船目标和海上高速飞行目标的高频地波雷达信号体制是高频地波雷达实现海-空兼容探测的关键。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 该文给出一种调频中断连续波(FMICW)高频地波海况监测雷达的仿真模拟检验系统。
- Physical characteristics of terrestrial surface targets are retrieved by information contained in laser pulse echo signal with laser altimeter. 摘要激光测高仪依靠回波信号包含的信息来反演地面目标的物理特性，因此必须保持回波信号的保真度和高信噪比。
- It is defined as the power of the original echo over the power of the residual echo signal after cancellation in dB unit. 它被定义为原始的回声越过残余回声信号后被消除的分贝动力。
- The result shows that in order to obtain the strong echo signal,a suitable selection of the ultrasonic transducer operating frequency is necessary. 由此表明,选择合适的声发射换能器,有助于提高液位检测回波信号的强度。
