The availability of low orbit satellite spread-spectrum communications is impacted by the complicated radio environment in China and Southeast Asia.
由于中国国内和东南亚地区电磁环境复杂，影响了低轨卫星扩频通信的可用性。
Frequency hopping is a spread-spectrum communications technique, meaning that the total available spectrum is split up into smaller sections so as to be better utilised.
频跳是传播光谱通信技术，意思被分离入更小的部分以便更好运用总可利用的光谱。
Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.
其中直接序列扩频通信是目前使用最典型的扩频工作方式。
The spread spectrum communication with an aperiodic PN code and under strong man-made jammers has an important significance in military communications.
强人为干扰环境下的非周期扩频码的扩频通信在军事上具有重要的意义。
A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.
引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。
Direct sequence spread spectrum (DS SS) technique has been widely used in military communications systems.
在军事通信中，直扩技术由于其诸多优点而获得了广泛的应用。
The error rate model is one of the key indexes of underwater acoustic spread spectrum communications system.
误码率模型是水声扩频通信系统性能的关键指标之一。
The pseudo random noise ranging code has been applied extensively to spread spectrum communications.
伪随机码在扩频通信中得到广泛应用。
For any PN code acquisition system in spread spectrum communications, the acquisition performance is largely dependent on the probabilities of detection and false alarm.
对于任何一种扩频通信pN码捕获系统来说，捕获性能在很大程度上取决于检测概率和虚警概率。
With its spread-spectrum technology to perfect the theory and technology, spread-spectrum technology and mobile communications will be more closely linked.
随着扩频技术自身理论和技术趋于完善，扩频技术与移动通信的联系也将越来越紧密。
In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.
在未来无线通信系统中，扩频通信技术也将充分发挥它的优越性，必将得到人们越来越多的关注。
In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.
在未来无线通信系统中，扩频通信技术也将充分发挥它的优越性，必将得到人们越来越多的关注。
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