| 1. | Beacon detection probability
示标检测概率 |
| 2. | These technologies improve the overlay ratio and the resolving power of the observation space , and the target correct detection probability
这些技术能有效地提高观测空间的成像覆盖率以及对目标的正确检测概率。 |
| 3. | Experiment results show that this method can not only get all of the targets and show them in one image exactly , but also can improve the multi - band sar target detection probability
该方法不仅可以准确地将所有目标融合到一幅图中,而且可以提高目标的检测概率。 |
| 4. | Theoretical analysis indicates that error probability of detector is independent of image itself , but only relies on the length of embedding watermarks and embedding strength factor
理论分析表明：检测器的误检测概率与图像本身无关，只取决于嵌入水印长度和嵌入强度因子。 |
| 5. | In first time , the relationship between probability of detection and probability of fault to snr , contrast and detecting threshold is derived in the assessment of detecting result
在检测效果评估方面首次推导了检测概率、虚警概率与信噪比、对比度和检测门限之间的关系。 |
| 6. | The output components of the de - spreading correlator are analyzed and the expressions for the pf and pd of the step acquisition are given under the condition of additive white gauss noise
并在接收端噪声为加性白噪声情况下，对解扩相关器输出成分作了详细的分析，推导出了步进搜索时的虚警概率和检测概率的公式。 |
| 7. | We derive the analytic expressions of false alarm probabilities and detection probabilities under various situations . also , we drew the detector ' s various performance curves by using matlab
通过数学推导，得出了mgo - cfar检测器在各种环境中的检测概率、虚警概率表达式，并用matlab编程，绘出了检测器的各种性能曲线。 |
| 8. | And the output components of the despread correlator under the condition of additive white gaussian noise ( awgn ) are analyzed to derive the expressions for the false alarm probability and the detection probability
同时也对解扩相关器在接收端噪声为加性白高斯噪声情况下的输出成分进行了详细分析，推导得出大步进搜索的虚警概率和检测概率的公式。 |
| 9. | Direct sequence spread spectrum ( dsss ) communication systems have the characteristics of wide spectrum , low working signal - to - noise ratio ( snr ) , anti - interference , anti - multipath effect , capability of cdma , lpi and lpd
直接序列扩频(英文简称dsss )通信具有频谱宽、工作信噪比低、抗干扰和抗多径效应能力强、可实现码分多址、低截获和低检测概率等特点。 |
| 10. | Then two feasible segmenting algorithms are introduced according to the different characteristics of filtered images . for further improving the performance of segmenting , a morphological filter is employed to extract targets of interest
而且，为了进一步提高检测概率、降低虚警概率，本文又采用了一种形态学滤波算法，进一步从分割后的图像中提取感兴趣的目标。 |
