结合实际情况对这几种方法进行分析比较，在现有技术设备条件下得到了一种比较理想的伪随机码测距方法—星上处理伪随机码测距。
Also these methods a re analyzed and compared in the factual condition and a perfect pseudo noise code ranging method is educed. That is PN code ranging with on -board processing.
为了解决上述问题，我们研制了基于伪随机码调制的超声波测距。
In order to solve the above problems, we develop ultrasonic range-finder which is based on pseudorandom code.
为使星载激光高度计实现高空间分辨率，提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
由于伪随机码固有的测距能力——其长周期和互相关特性，使得在测距距离和精度方面可以同时提高，采用码分多址技术可以实现对多个目标同时进行测控。
As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.
本文将伪随机码应用于超声波测距中，解决了超声波测距中存在的测距精度低和测量距离近的问题。
PRBS is applied in ultrasonic distance measurement in this article, which resolves some problems existing in it.
使用完全正交的伪随机码代替单脉冲信号对超声信号进行调制，以提高发送信号的抗干扰能力和系统的测距精度；
The pseudorandom code instead of single impulse is used for modulation to improve the capability of anti-jamming and precision of measuring range.
比较详细地讨论卫星测控系统中利用伪随机码来测距的几种方法。
The principle of detection by pseudorandom code is illustrated in this paper.
比较详细地讨论卫星测控系统中利用伪随机码来测距的几种方法。
The principle of detection by pseudorandom code is illustrated in this paper.
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