signal-seeking receiver

SME signal generator provides the mixed signal that development and receiver of test number mobile need.

◇SME信号 发生器供给开辟和测试数字挪动通信领受机所需的简单信号.

Acquiring signal quickly and shortening acquisition time in the cold case are the key technologies of high dynamic GPS receiver. Moreover, fast acquisition of C/ A code is the base of code tracking and carrier acquisition and tracking.

尽量缩短盲捕时间，快速捕获到信号，是研制高动态GPS接收机技术的关键，而GPS信号CA码的快速捕获是码跟踪和载波捕获与跟踪的基础。

Meanwhile, various receiver modules are designed respectively to accept step frequency signal, and their properties are simulated, such as receiver bandwidth, VSWR and so on.

然后分别设计了实现接收步进频率信号的接收机的各个模块，并仿真了它们的性能，如接收机带宽、驻波比等。

The telemedicine center monitoring software has the 5 main function modules: signal receiver module, real-time display module, alarm of monitoring signal module, medical database module, the center signal processor control module.

远程医疗中心监控软件的具体功能包括生理信号的接收模块、实时显示模块、信号监控报警模块、医学数据库操作模块、中心信号处理器控制模块。

As the continuous deterioration of electronic environment, receiver possibly receives the forms of radar signal in all kinds of change, and the performance of accuracy sorting deteriorates seriously. At the same time, the performance of real time sorting is subjected to severe test.

面对不断恶化的电子环境，接收到信号特征参数可能发生各种变化，分选的性能急剧恶化，同时分选的实时性受到严峻的考验。

To improve the timing precision of the receiver, it is necessary to research the timing reference point of the second signal.

为了提高接收机的定时精度，对反映低频信号秒到来时刻的确定方法作了较为深入的研究。

And the receiver include differential phase discrimination, signal detecting, frequency estimates and timing tracking loop.

接收机部分包括差分鉴相、匹配滤波、信号检测、定时同步、频偏估计和定时跟踪等。

It is found that selecting appropriate value of duty cycles of Gauss light pulse signal, frequency chirp and the roll-off factor of raised cosine pulse signal produced by the equalizer of an optical receiver can improve the sensitivity of the optical receiver.

发现适当选取高斯光脉冲信号的占空比、啁啾分量、光接收机均衡滤波器输出的升余弦频谱波形滚降因子的值可以提高光接收机灵敏度；

Loading beacon receiver with high-frequency transmitter-receiver solved the issue that difference job can't be finished in the blind zone of beacon signal in shore station.

通过对信标接收机加载高频电台，解决了在岸台信标信号盲区无法完成差分作业的问题。

By analyzing and testing actual signal, feasibility and reliability in long and short timing receiver cycle identification using this algorithm are verified.

随后，通过对实际信号的分析与测试，再次验证该算法在长、短波授时接收机周期识别中的可行性和有效性。