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- active echo ranging system 有源回声测距系统
- 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。
- electro optical echo ranging system 电光回波测距系统
- electron-optical echo ranging system 电光回波测距系统
- electro-optical echo ranging system 电光回波测距系统-
- 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。
- 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。
- 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]
- CERES (Combined Echo Ranging Echo Sounding) 统一的回声测距与测深
- Combined echo ranging echo sounding 组合回声测距与测深
- bottom bounce echo ranging sonar 海底回声测距声纳
- Maximum Effective Echo Ranging Speed 最大有效回声测定速度
- Ultrasonic Echo Ranging Equipment 超声回波测距设备
- Combined Echo Ranging and Echo Sounding 综合回音测距与测深
- 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。
- 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 orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased. 采用该算法可以方便地测量多频连续波雷达系统的零距离，提高雷达系统的测距精度，减小测距的系统误差。
