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- Doppler ranging system 多普勒测距系统
- Doppler Ranging and Information System 多普勒测距和情报系统
- Doppler Location and Ranging System 多普勒定位与测距系统
- The unambiguous distance of tone ranging system is limited by the lowest frequency of tone. 侧音测距系统的最大无模糊距离受到侧音信号最低频率的限制。
- In this paper, two kinds of raw data range DPCA algorithms-time range DPCA and Doppler range DPCA to use in bi-channel SAR/GMTI system are studied. 文中研究了数据域DPCA技术在机载双通道SAR地面动目标检测领域的应用，推导出点目标回波模型；
- The ranging system turns optical heterodyne into electronic heterodyne demodulation, and the repetition error is less than 3%. 通过双频激光把光学外差探测变为了电子外差探测, 系统重复误差小于3%25。
- Echo RSSI signal strength information, and on the protection of mine workers RFID echo ranging system based on the RSSI. RSSI信号回波强度的相关资料，及关于井下工人保护的RFID基于RSSI回波测距系统。
- A responsive multiple frequency ranging system is designed by utilizing digital phase discrimination,based on FFT,and phase double principle. 利用基于FFT的数字鉴相方法和自乘倍相原理设计了一种应答式侧音测距系统。
- Liu Jibin,Zhao Huichang.Research on PN Phase Modulation and PAM Combined Ranging System[J].Journal of Astronautics,2004,25(2):152-157. [4]刘己斌;赵惠昌.;伪码调相与PAM复合测距系统研究[J]
- Interconnection channel equipments' impedance mismatch is the key influence factor of system range performance in spread spectrum ranging system. 摘要高精度扩频测距系统中，信道设备间阻抗失配引入的测距误差是影响系统性能的重要因素。
- OLRS Optical Laser Ranging System 光学激光测距系统
- I was reading a magazine when the phone rang. 电话铃响时我正在看一本杂志。
- A New Laser Ranging System Based on DDS Technology 一种基于DDS技术的新型激光测距系统的设计
- The melody still rang in her ears. 那个旋律仍然在她的耳际荡。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- I developed on a low-mid range system that can play m&B using DX7.0 fine and crawls using DX 9.0. 余上制定了低范围的系统中可以发挥并购乙使用DX7.;0罚款和检索使用尖端9
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Sound finding and ranging system 声波定位与测距系统
- Their refusal rang the knell of our hopes. 他们的拒绝是我们希望破灭的凶兆。
- He rang off without giving his name. 他名字也未说就挂断了电话。
