## 1 Introduction  
The population and public infrastructures in large cities have intensively increased with limited land resources in recent years. Numerous super high-rise buildings have been built in large cities, and some of them exceeding 400 m in height have been constructed as new landmarks to improve the land resource utilization rate and demonstrate the prosperity and development of a city. At the end of 2017, China had 14 out of the top 20 completed super high-rise buildings in the world, in which all of them are more than 420 m in height. Super high-rise buildings will produce sway motions under the influences of sunlight, wind load, construction vibration, temperature, and other factors [1; 2; 3]. The structure of a super high-rise building will be destroyed when its horizontal displacement exceeds a certain limit value. The dynamic characteristics of a building directly affect the construction measurements that require a stable reference. Therefore, the dynamic characteristics of buildings should be accurately obtained and the performance of structures should be appropriately monitored and diagnosed for the safe construction and healthy operation of super high-rise buildings. The main methods used to monitor and analyze the dynamic behavior of super high-rise buildings include total station [4], accelerometer sensor [5; 6; 7], digital vertical meter [8], and Global Navigation Satellite System (GNSS) technology [9; 10; 11; 12; 13]. Among the above methods, the total station method needs to install a prism on some feature points of the building, and the data sampling frequency of automatic tracking total station is low, making it difficult to achieve high-frequency data acquisition. The accelerometer sensor method obtains the vibration acceleration of a building by mounting a sensor and acquires the displacement changes by processing the acceleration data from the accelerometer [14; 15]. Mounting of accelerometers are typically time-consuming tasks associated with the test. Furthermore, the installation of sensors for some special buildings (such as super tall towers) can be difficult, and accelerometers cannot directly provide accurate structural displacement responses. The digital vertical meter method uses the reserved holes in the floors of super high-rise buildings as the installation channel of the digital vertical meter system to obtain the diurnal oscillation law of the tower body. However, the vertical line is easily affected by the construction factors, wind load, and tower crane operation during the dynamic monitoring period. The total station, accelerometer sensor, and digital vertical meter methods cannot efficiently realize automatic real-time continuous dynamic monitoring of super high-rise buildings. With the improvement of GNSS satellite timing accuracy and the development of the corresponding data processing software, GNSS technology can realize high-frequency data acquisition in the dynamic monitoring of super high-rise buildings. GNSS has all-weather and all-day characteristics, making it widely used in automatic real-time continuous dynamic monitoring of super high-rise buildings, such as La Costanera Tower [4], Canton Tower [7; 16], and Tianjin 117 Tower [17]. However, tower crane operation will seriously block the GNSS signal, the steel structure on the roof can cause serious multipath errors, and the vibration and wind load during construction will exert huge noise influence on the GNSS signal for super high-rise buildings under construction. On this basis, a large noise component is found in the GNSS-based deformation signals, making it difficult to accurately extract the high-precision dynamic characteristics of super high-rise buildings. Although the aforementioned methods are accurate and reliable, they only evaluate construction safety by retrieving and analyzing the dynamic characteristics of several feature points on the structure. Thus, effective monitoring and analysis of the overall structural characteristics are difficult.